constantine l. kotropoulosposeidon.csd.auth.gr/lab_people/cveng_kotropoulos.pdfm. marinaki (2003)...

Curriculum Vitae of C. L. Kotropoulos

6/7/2020 1

CONSTANTINE L. KOTROPOULOS Full Professor

Department of Informatics

Aristotle University of Thessaloniki

Thessaloniki 541 24, Greece

phone/fax: +30-2310-998225

E-mail: [email protected], [email protected]

Residence address: 43 Mitropoleos str., Thessaloniki 546 23, Greece, phone: +30-2310-842036

PERSONAL DATA

BIRTH DATE: June 13, 1965

BIRTH PLACE: Kavala

CITIZENCHIP: Greek

LANGUAGES: English (Fluent), French (Elementary), Greek (Mother tongue)

MARITAL STATUS: Married. Wife’s name: Penelope Mavrommatides

MILITARY SERVICE: Completed (1994-1995)

EDUCATION

1971-1977 6th Elementary School of Kavala.

1977-1980 1st High School of Kavala (1st and 2nd grade), 4th High School of Kavala (3rd

grade). GPA: 19.53/20.0. Class rank: 1st.

1980 First among the 3rd grade high school students in the admission exams for

Lyceum in the Prefecture of Kavala.

1980-1983 4th Lyceum of Kavala, GPA: 19.91/20.00. Class rank: 2nd.

1983 Eighth in rank among the 100 admitted students in the Department of

Electrical Engineering, Aristotle University of Thessaloniki, Greece through

the panhellenic admission exams.

1983-1988 Five-year program with required thesis, Department of Electrical Engineering,

Aristotle University of Thessaloniki, Greece.

1988 Diploma in Electrical Engineering, with distinction and honor, October

1988, Aristotle University of Thessaloniki, Thessaloniki, Greece. GPA:

8.75/10.00. Class rank: Top 5%.

Research area: Multidimensional Signal Processing/ Digital Image Processing/

Computer Vision/ Texture Analysis of Seismic Sections.

Thesis title: Interpretation of Seismic Sections by Using Image Segmentation

Techniques.

Advisor: (then) Lecturer Ioannis Pitas.

1989-1993 Four-year Ph.D. study, Department of Electrical and Computer Engineering,

Aristotle University of Thessaloniki, Greece.

1993 Ph.D. in Electrical and Computer Engineering with distinction and honor,

November 1993, Aristotle University of Thessaloniki, Thessaloniki, Greece.

Research area: Nonlinear Digital Signal Processing/ Adaptive Nonlinear

Filtering/ Detection and Estimation Theory/ Neural Networks/ Applications to

Ultrasonic Image Processing.

Dissertation title: Design and Implementation of Nonlinear Filters for Digital

Image Processing.

Advisor: (then) Associate Professor Ioannis Pitas.

HONORS AND AWARDS

mailto:[email protected]

mailto:[email protected]


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1977-1983 Distinction and award in High School/ Lyceum studies, Ministry of National

Education, Athens, Greece.

1983-1988 Scholarship for undergraduate studies, State Scholarship Foundation, Athens,

Greece.

1989-1992 Scholarship for graduate studies, State Scholarship Foundation, Athens,

Greece.

1989-1992 Scholarship for graduate studies, Bodossaki Foundation, Athens, Greece.

ACADEMIC POSITIONS

1988-1994 Researcher, Department of Electrical Engineering, Aristotle University of

Thessaloniki, Greece

1995-1997 Postdoctoral researcher, Department of Informatics, Aristotle University of


1997-2002 Lecturer in Digital Signal Processing, Department of Informatics, Aristotle

University of Thessaloniki, Greece

2002-2008 Assistant Professor in Digital Signal Processing, Department of Informatics,

Aristotle University of Thessaloniki, Greece (Tenureship awarded in 2005)

2008-2015 Associate Professor in Digital Signal Processing, Department of Informatics,

Aristotle University of Thessaloniki, Greece

2015- Full Professor in Digital Signal Processing, Department of Informatics,


ADMINISTRATIVE DUTIES

2018-2020 Graduate Studies Program on Digital Media-Computational Intelligence,

Director, Department of Informatics, Aristotle University of Thessaloniki,

Greece

Ph.D. Program Director, Department of Informatics, Aristotle University of

Thessaloniki

2015-2019 Graduate Studies Program Director, Department of Informatics, Aristotle


2017-2018 Division C "Communication Networks and Information Analysis" Director,

Department of Informatics, Aristotle University of Thessaloniki, Greece

TEACHING EXPERIENCE

a. Undergraduate course teaching assistant in the Department of Electrical &

Computer Engineering, Aristotle University of Thessaloniki, Greece

1989-1993 Tutorials in Digital Filters, 7th semester

1991-1992 Tutorials in Digital Image Processing, 9th semester

1989-1993 Laboratory Exercises in Digital Filters, 7th semester. Preparation of

laboratory hands-on

b. Undergraduate course instructor in the Department of Informatics, Aristotle


1995-2001 Computer Graphics, 7th semester. Preparation of course notes


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1996-2012 Signals and Systems, 4th semester

1998- Stochastic Signal Processing, 6th semester

1999- Discrete-time Speech Processing, 7th semester

2002 Digital Image Processing, 6th semester

2002-2004 Digital Signal Processing, 5th semester (with Prof. I. Pitas)

2013- Signals and Systems, 5th semester (with Profs. Pitas and N. Laskaris)

2013 Pattern Recognition (with Prof. Pitas)

2019 Robotic Control

c. Graduate course instructor

Graduate Program in Medical Informatics, School of Medicine, Aristotle University

of Thessaloniki, Greece

2002 Digital Image Processing, Spring semester

2003 Telematics in Medicine, Autumn semester

Graduate Program in Informatics & Communications, Department of Informatics,


2003-2014 Statistical Signal Processing, 1st semester

2015-2018 Statistical Signal Processing-Time Series Analysis, 2nd semester

2003-2007 Digital Speech Synthesis, 2nd semester

2005-2006 Language Technology, 3rd semester

2008-2014 Digital Speech Synthesis-Language Technology, 2nd semester

2015-2018 Digital Speech Synthesis-Language Technology, 1st semester

Graduate Program in Internet and World Wide Web, Department of Informatics,


2015- Complex Systems, 1st semester

Graduate Program in Digital Media-Computational Intelligence, Department of

Informatics, Aristotle University of Thessaloniki, Greece

2018- Statistical Signal Processing-Time Series Analysis, 1st semester

2018- Complex Systems: From the Society to the Web, 1st semester

2018- Language Technology, 2nd semester (offered also to Graduate

Program in Artificial Intelligence)

2019- Dynamic Systems: Applications to Signals, Robotics, and Finance

d. Undergraduate thesis advisor in the Department of Informatics, Aristotle

University of Thessaloniki, Greece (1997-present)

C. Theodoridis Development of a human-centered interface for access

control to computer services

G. Savvidis Development of interactive course pack for Computer

Graphics

N. Bassiou Frontal face detection using support vector machines

N. Giannios Development of the web site of Artificial Intelligence &

Information Analysis Laboratory

A. Xafopoulos Speaker verification using dynamic time warping

J. Valenta Ultrasound image filtering

T. Kosmidis Frontal face detection using backpropagation neural

networks

A. Sourlas Digit recognition using hidden Markov models

E. Kotsia Human motion modeling using 3-D computer graphics

programming in MAYA

A. Markoulidis Person verification using frontal face images


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M. Kotti Speaker segmentation using MPEG-7 features

E. Benetos Audio classification using MPEG-7 features

V. Moschou Self-organizing neural networks. Applications to

emotional speech clustering

E. Ziogas Voice pathology detection using linear classifiers

M. Doukas Feature extraction and assessment for voice pathology

detection

M. Kostopoulou and N.

Georgiadou

Discrete-time speech processing toolkit

A. Sgouropoulou Adaptive echo cancellation algorithms

M. Dimopoulos Fractal techniques for modeling and processing audio

signals

N. Pitelis Voice pathology detection with linear classifiers and

reject option

A. Psaltis Language models: Smoothing and interpolation

methods

M. Theologitou Speech emotion recognition in call-center transactions

A. Theodoridis Development of audio/speech processing techniques in

MATLAB and PRAAT

P. Xanthopoulos Digital audio restoration of noisy music recordings

S. Giannarou Music lyrics clustering using asymmetric probabilistic

latent semantic analysis

P. -D. Spyridakos Techniques for personalized music recommendation

A. Menacheilis Horse respiratory signal analysis by means of audio

processing techniques

S. Samaras Identification of the model and brand of a cell-phone

from recorded speech signals

T. Theodoridis Adaptation and learning in complex networks

M. Paschali Distance computation between videos using dynamic

time warping

A. Krokos Spectral clustering applied to images related to tourism

I. Sarridis Isolated digit recognition algorithms

P. Gkagkos Detection of Parkinson disease by analyzing speech

G. Iordanidis Forensic authentication of acoustic recordings by

detecting discontinuities in the electric network

frequency

E. Gionanidis Two-class classification problems by analyzing the

speech signal

e. M.Sc. thesis advisor

A. Meissner (2002) Performance assessment of several features for region-

based image retrieval (M.Sc Thesis in Network

Centered Computing, Advanced Cybernetics, Faculty of

Science, The University of Reading, U.K., 2002)

Graduate Program in Medical Informatics, School of Medicine, Aristotle University


D. Ververidis (2003) Emotional speech classification

M. Marinaki (2003) Voice pathology detection using linear prediction

analysis

Graduate Program in Informatics, Department of Informatics, Aristotle University


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A. Papaioannou (2005) Document clustering using statistical language

modeling techniques

E. Benetos (2007) Music genre recognition using tensors

V. Moschou (2007) Speaker clustering applied to dialogue detection in

movies

P. Moschonas (2008) A new algorithm for speaker identification

Y. Panagakis (2008) Music genre recognition: A bio-inspired multilinear

approach

A. Tzimouli (2008) A modified actor clustering algorithm for dialogue

detection in movies by analyzing the speech signal

A. Psaltis (2010) Incremental probabilistic latent semantic analysis

algorithms

P. Ntrigkogia (2010) Digital signal processing applied to horse respiratory

acoustic signals

E. Krinidou (2011) Optimal least mean squares algorithms

M. Youvanakis (2012) Design and implementation of a web content

management system for folk music

K. -P. Ypsilanti (2012) Bayesian signal processing

A. Theodoridis (2012) Techniques for multimedia recommendation based on

hypergraphs

G. Martinidou (2012) Study of strength relationships in music social networks

A. Salapasidis (2013) Noise smoothing in music recordings

I. Mitro (2103) Detection of latent parameters in the lyrics of Greek

folk songs

C. Mpacharaki (2014) Spectral clustering applied to images

P. Medentzidou (2014) Restoration of noisy music recordings

F. Mandanas (2014) Robust Multidimensional Scaling using a maximum

correntropy criterion

A. Papazoglou-Chalikias

(2015)

Greek folk song lyrics and music analysis

E. Fotidou (2015) Adaptation and learning in complex networks

A. Chasapi (2015) Optimization algorithms for hypergraph learning

K. Pliakos (2015) Tagging and recommendation algorithms on

hypergraphs

E. Pantraki (2016) Age interval and gender prediction using PARAFAC2

applied to speech utterances and face images

M. Demi (2017) Prediction methods for time-evolving dyadic processes

G. Karantaidis (2017) Multimedia authentication using the electric network

frequency

M. Damoulakis (2018) Sound source localization

M. Mpatsioulas (2018) Extraction of electric network frequency

N. Bartziokas (2019) Named Entity Recognition in Greek Texts.

A. Lykesas (2019) Hotel Review Sentiment Analysis Using Natural

Language Processing

Graduate Program in Digital Media – Computational Intelligence, Department of

Informatics, Aristotle University

I. Sarridis (2020) Personalized Optimal Route Recommendation

E. Gionanidis (2020) Opinion Recommendation - Review Generation and

Ranking Prediction


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f. Ph.D. candidate advisor

George Almpanidis

(completed, 2008)

Discrete-time multimodal speech processing. Now

Associate Professor in the School of Computer and

Information Engineering at Henan University, China.

https://www.linkedin.com/in/georgealmpanidis/

Dimitrios Ververidis

(completed, 2008)

Discrete-time speech processing techniques for emotion

recognition. Now Researcher in the Information

Technologies Institute at the Centre for Research and

Technology Hellas.

https://www.linkedin.com/in/dimitrios-ververidis-

5167a520/

Margarita Kotti

(completed, 2009)

Discrete-time speech processing with application to

emotion recognition. Now Research Associate in the

Department of Bioengineering at Imperial College

London, U.K.

https://www.linkedin.com/in/margarita-kotti-2827242a/

Nikoletta Bassiou

(completed, 2012)

Language Engineering: Statistical models for text,

speech, and images. Now Post-doctoral Researcher, SRI

International, Menlo Park, CA, USA.

https://scholar.google.gr/citations?user=GBs-

iq0AAAAJ&hl=en

Yannis Panagakis

(completed, 2014)

Discrete-time audio processing with emphasis to music.

Now, Associate Professor, Department of Informatis &

Telecommunications, National and Kapodistrian

University of Athens, Greece. Formerly, Senior

Lecturer in the School of Science & Technology at

Middlesex University, U.K.

https://www.linkedin.com/in/yannis-panagakis-

b58679a0/

Fotios Mandanas

(started 2014)

Graph signal processing

Evangelia Pantraki

(started 2016)

Digital signal processing with applications to biometrics

& forensics [Hellenic Foundation for Research &

Innovation Scholar]

Myrsini Ntemi

(started 2017)

Prediction methods in timeseries

Ioannis Tsingalis

(started 2017)

Information processing exploiting sparse and low-rank

representations [Hellenic Foundation for Research &

Innovation Scholar]

George Karantaidis

(started 2018)

Assessment of information truth-likeliness and

authentication [Hellenic Foundation for Research &

Innovation Scholar]

g. Teaching foreigners who participated in European student exchange programs

1999 C Language Programming and UNIX to Giancarlo Mastinu (student

of Department of Civil Engineering, Sardigna, Italy)

2000 Stochastic Signal Processing to Jacub Valenta (student of Dept. of

https://www.linkedin.com/in/georgealmpanidis/

https://www.linkedin.com/in/dimitrios-ververidis-5167a520

https://www.linkedin.com/in/dimitrios-ververidis-5167a520

https://www.linkedin.com/in/margarita-kotti-2827242a/

https://scholar.google.gr/citations?user=GBs-iq0AAAAJ&hl=en

https://scholar.google.gr/citations?user=GBs-iq0AAAAJ&hl=en

https://www.linkedin.com/in/yannis-panagakis-b58679a0/

https://www.linkedin.com/in/yannis-panagakis-b58679a0/


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Electrical and Computer Engineering, Technical University of

Prague, The Czech Republic)

h. Teaching in higher-education schools

1995-1996 Informatics & Programming, Air Force Military Academy for Non-

Commissioned Officers, Sedes, Thessaloniki, Greece

i. Teaching in continuous-education programs

1990,

1991, 1993

Instructor in Digital Image Processing and Computer Graphics

Seminar, Greek Productivity Center, Thessaloniki, Greece

1991 Instructor in Modern Communications Seminar, Education & Training

Center, “Dimitra”, Larisa, Greece

1995 Instructor in the Continuous Education program in Graphic Arts,

Training Center, Aristotle University of Thessaloniki, Greece

j. Instructor in distant learning courses

1999-2000

Digital Image Processing taught to the personnel of the Hellenic

Telecommunications Organization, Western Macedonia Division,

Kozani, Greece

k. Instructor in open courses

2012-2013

Signals and Systems, Department of Informatics, Aristotle University

of Thessaloniki, (Course A, including videolectures, hands-on notes,

tutorials, and problems in Greek)

URL: https://opencourses.auth.gr/courses/OCRS183/

OTHER ACADEMIC ACTIVITIES

a. Examination committee member for the Ph.D. dissertation submitted by

2001 Anastasios Tefas

2004 Vassilios Solachidis

Stelios Krinidis

2006 Asterios Toutios

2007 Stefanos Zafiriou

2008 Irene Kotsia

2009 Michael Krinidis

2010 Marios Kyperountas

2011 Dimitrios Rafailidis

2012 Nikolaos Vrettos

2013 Dimitrios Margounakis

Symeon Nikitidis

Alexandros Iosifidis

2014 Olga Zoidi

2015 Nikolaos Tsapanos

2017 Panagiotis Barboutis

2018 Ioannis Mademlis

Nikolaos Passalis

2019 Ioannis Kapsouras

Vassilios Mygdalis

https://opencourses.auth.gr/courses/OCRS183/


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b. Ph.D. candidates’ advisory committee member in the Department of Informatics

2003 Michael Krinidis

Irene Kotsia

2004 Stefanos Zafiriou

Marios Kyperountas

2005 Nikolaos Vrettos

2007 Symeon Nikitidis

Nikolaos Tsapanos

2015 Nikolaos Passalis

2017 Christos Papaioannidis

2017 Maria Tzelepi

c. Ph.D. candidates’ advisory committee member in other University Departments

2002 Asterios Toutios (Department of Applied Informatics, University of

Macedonia, Thessaloniki, Greece)

d. Ph.D. thesis reviewer for Universities abroad

2010 S. Chandrakala (Department of Computer Science & Engineering,

Indian Institute of Technology Madras, Chennai, India)

2013 S. Shetty (Department of PostGraduate Studies and Research in

Statistics, Mangalore University, Mangalagangothri, Karnataka, India)

2017 S. Sahoo (Department of Electrical Engineering, Indian Institute of

Technology, Kharagpur, India)

e. M.Sc. thesis examination committee member

2004 G. Nikolakis (Graduate Program in Medical Informatics, School of

Medicine, Aristotle University of Thessaloniki, Greece)

2012 S. Pavlidis (Graduate Program of the Department of Theology,

Aristotle University of Thessaloniki, Greece)

2013 A. Symenonidis (Graduate Program of the Department of Electrical &

Computer Engineering, Democritus University of Thrace, Greece)

2014 Konstantina Liakou (Graduate Program of the Department of

Theology, Aristotle University of Thessaloniki, Greece)

F. Chartsioudis (Graduate Program of the Department of Electrical &


2020 E. Briola (Graduate Program of the Department of Electrical &


Graduate Program in Informatics, Department of Informatics, Aristotle University of


2005 A. Markoulidis

2006 D. Papavasiliou

2007 S. Asteriadis

C. Giamas

D. Tsiopela

M. Lahana

P. Antonopoulos

N. Barbalios

P. Sidiropoulos

2008 L. Garefa

D. Spachos


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M. Papacharisi

D. Zotos

2010 Α. G. Maronidis

2011 N. Pitelis

C. Siagonas

2012 D. Bouzas

2013 V. Gabriilidis

2016 S. Samaras

2017 M. Tzelepi

f. Reporting committee member for faculty positions in the Department of

Informatics

2002 Lecturer in Computer Graphics (Digital Image Synthesis)

2004 Lecturer in Digital Signal Processing with applications in

Biomedicine-Bioinformatics

2006 Lecturer in Computational Intelligence

2007 Assistant Professor in Computer Graphics (Digital Image Synthesis)

2010 Assistant Professor in Digital Signal Processing with applications in


2011 Assistant Professor in Computer Graphics (Digital Image Synthesis)

[tenureship]

2012 Assistant Professor in Computational Intelligence

2019 Associate Professor in Digital Signal Processing with applications in


g. Reporting committee member for faculty positions in other Departments

2010 Assistant Professor in Informatics applied to Theology-related Data,

Department of Theology, Aristotle Univ. of Thessaloniki, Greece

(tenureship)

2017 Assistant Professor in Digital Processing of Audio and Images

(tenureship), Dept. of Electrical & Computer Engineering, Democritus

Univ. of Thrace, Greece

2018 Associate Professor/Assistant Professor in Digital Signal Processing,

Dept. of Computer Engineering and Telecommunications, Univ. of

Western Macedonia, Greece

2019 Professor in Digital Image/Image Sequence Processing, Dept. of

Electrical & Computer Engineering, Democritus Univ. of Thrace,

Greece

h. Referee for faculty positions in the Department of Informatics

2013 Assistant Professor in Data Bases (promotion)

i. Elector for faculty positions in the Department of Informatics

1999 Lecturer in Computational Mathematics

2001 Lecturer in Systems and Technologies for Optical Communications

2002 Lecturer in Multimedia Software and Interfaces for Music Informatics

Assistant Professor in Computer Languages and Software Engineering

Lecturer in Computer Graphics (Digital Image Synthesis)

Lecturer in Multimedia (Multimedia Educational Technology)

Lecturer in Distributed Computing Systems (Object-oriented


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applications software; solvable and non-solvable models)

2003 Assistant Professor in Knowledge Based Management Systems

Lecturer in Databases-Information Systems

Lecturer in Communication Systems

2004 Assistant Professor in Statistics for Information Systems

Lecturer in Digital Signal Processing with applications in


2005 Lecturer in Web Technologies for Distance Learning

Lecturer in Data Mining

Assistant Professor in Computer Languages and Software Engineering

(tenureship)

2006 Assistant Professor in Knowledge-based Management Systems

(tenureship)

Lecturer in Computational Intelligence

Lecturer in Computational Complexity

Lecturer in Distributed Knowledge Discovery

Lecturer in Advanced Programming Techniques and Automated

Problem Solving

Lecturer in Optical Communications

Lecturer in Databases

2007 Assistant Professor in Systems and Technologies for Optical

Communications

Assistant Professor in Statistics for Information Systems (tenureship)

Assistant Professor in Computer Graphics (Digital Image Synthesis)

2009 Associate Professor in Applied Mathematical Analysis

Assistant Professor or Lecturer in Data Mining

Associate Professor in Statistics for Information Systems

Associate Professor in Knowledge-based Management Systems



Assistant Professor or Lecturer in Information Theory – Theoretical

Cryptography

Assistant Professor in Internet-based Training

Assistant Professor in Computer Graphics (Digital Image Synthesis)

[tenureship]

2012 Assistant Professor in Computational Intelligence

Assistant Professor in Machine Learning

Assistant Professor in Data Mining and Knowledge Discovery

2013 Assistant Professor in Music Informatics (tenureship)


Biomedicine-Bioinformatics (tenureship)

2016 Associate Professor in Computer Graphics (Digital Image Synthesis)

Associate Professor in Music Informatics

Associate Professor in Computational Intelligence

2017 Full Professor in Human-Computer Interaction

2018 Full Professor in Knowledge-Based Systems

Full Professor/Associate Professor in Bioinformatics

2019 Associate Professor in Digital Signal Processing with applications in


Associate Professor in Applied Mathematical Analysis


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j. Elector for faculty positions in other Departments

2007 Assistant Professor in Discrete-Time Signal Processing (tenureship),

Dept. of Electrical & Computer Engineering, Aristotle Univ. of


2008 Assistant Professor in Digital Signal Processing with emphasis to

Multidimensional Applications (tenureship), Dept. of Informatics &

Computer Engineering, University of Patras, Greece

Assistant Professor in Computer Graphics, Dept. of Computer

Science, University of Crete, Greece

2009 Associate Professor in Speech Processing and Applications, School of

Electrical & Computer Engineering, National Technical University of

Athens, Greece

2010 Lecturer in Signal Processing with emphasis to Audio/Speech, Dept.

of Informatics, University of Piraeus, Greece

Associate Professor in Computer Graphics, Dept. of Computer

Science, University of Crete, Greece

Assistant Professor in Informatics applied to Theology-related Data,


(tenureship)

2011 Assistant Professor in Applications of Estimation Theory (tenureship),

Dept. of Information and Communication Systems Engineering,

University of Aegean, Greece

2013 Associate Professor in Informatics applied to Theology-related Data,


2014 Associate Professor in Digital Signal Processing with emphasis to

audio, Dept. of Computer Science, University of Crete, Greece

2015 Associate Professor in Digital Image/Image Sequence Processing,

Dept. of Electrical & Computer Engineering, Democritus Univ. of

Thrace, Greece

2015 Associate Professor in Medical Informatics, School of Medicine,


2017 Assistant Professor in Signal Processing Techniques, Dept. of

Electrical & Computer Engineering, Aristotle University of


Associate Professor in Digital Signal Processing with emphasis to

Multidimensional Applications, Dept. of Informatics & Computer

Engineering, University of Patras, Greece

Assistant Professor in Digital Processing of Audio and Images

(tenureship), Dept. of Electrical & Computer Engineering, Democritus

Univ. of Thrace, Greece

2018 Full Professor in Digital Image Processing and Computer Vision,

Dept. of Computer Science & Engineering, Univ. of Ioannina, Greece

Associate Professor/Assistant Professor in Digital Signal Processing,

Dept. of Computer Engineering and Telecommunications, Univ. of

Western Macedonia, Greece

Assistant Professor in Data Mining (tenureship), Dept. of Statistics,

and Insurance Science, Univ. of Piraeus, Greece

Assistant Professor in Signal Processing with Emphasis to

Speech/Audio (tenureship), Dept. of Informatics, Univ. of Piraeus,


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Greece

2019 Professor in Digital Image/Image Sequence Processing, Dept. of

Electrical & Computer Engineering, Democritus Univ. of Thrace,

Greece

2020 Professor in Music Informatics, Dept. of Music Studies, Aristotle

Univ. of Thessaloniki, Greece

Professor in Pattern Recognition, Dept. of Electrical & Computer

Engineering, University of Patras, Greece.

k. Elector for researchers in Research Institutes

2011 Researcher B, Institute of Computer Science, Foundation for Research

and Technology, Heraklion, Crete, Greece

Researcher C renewal, Informatics and Telematics Institute, Centre for

Research and Technology Hellas, Thessaloniki, Greece

l. External referee for faculty positions in other Departments

2015 Associate Professor (promotion) in Informatics with emphasis to

software development for digital image processing and pattern

recognition, Dept. Civil Engineering and Surveying & Geoinformatics

Engineering, Technological Educational Institute of Athens

2015 Associate Professor (promotion), Athens Information Technology,

Greece

m. External referee for researcher positions in Research Institutes

2017 Researcher A (Research Director), Institute for Astronomy,

Astrophysics, Space Applications and Remote Sensing, National

Observatory of Athens.

n. External assessor/referee for faculty positions abroad

2015 Review of appointment of an Assistant Professor, Department

Computer Science, Hong Kong Baptist University, Hong Kong.

2016 Referee for a Lecturer position, School of Science & Technology,

Middlesex University, U.K.

Referee for a Full Professor position, Faculty of Electrical, Electronics

Engineering and Information Technology, Valahia University of

Targoviste, Romania.

RESEARCH EXPERIENCE (R&D Projects)

1 1988-1989 Research Assistant, Dept. of Electrical Engineering, Aristotle Univ. of

Thessaloniki (joint project with Public Petroleum Corporation of

Greece), “Construction of an Expert System for the Geophysical

Interpretation of Seismic Data in Oil Prospecting”. Financed by the

Greek Secretariat of Research and Technology.

2 1991-1993 Research Assistant, Dept. of Electrical & Computer Engineering,

Aristotle Univ. of Thessaloniki, “Color Image Processing”. Financed by

the Greek Secretariat of Research and Technology.

3 1991-1992 Research Assistant, Dept. of Electrical & Computer Engineering,

Aristotle Univ. of Thessaloniki, “Front-end for Echographic Image


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Processing” (FEIP). Financed by the European Commission within the

framework of AIM programme.

4 1992-1994 Researcher, Dept. of Electrical & Computer Engineering, Aristotle Univ.

of Thessaloniki, “Nonlinear and Adaptive Techniques in Digital Image

Processing, Analysis and Computer Vision” (NAT). Financed by the

European Commission with the framework of ESPRIT/BRA

programme.

5 1993-1994 Researcher, Dept. of Electrical & Computer Engineering, Aristotle Univ.

of Thessaloniki, “Image Sequence Processing”. Financed by the Greek

Secretariat of Research and Technology.

6 1995-1996 Postdoctoral researcher, Dept. of Informatics, Aristotle Univ. of

Thessaloniki, “Restoration of Byzantine Icons”. Financed by the Greek

Secretariat of Research and Technology.


Thessaloniki, “M2VTS: Multimodal Verification for Teleservices and

Security Αpplications”. Financed by the European Commission within

the framework of ACTS programme.


Thessaloniki, “NEURON: A Network of Excellence for the

Dissemination of the Theory and Applications of Neural Networks”.

Financed by the Greek Secretariat of Research and Technology.

9 1999-2000 Advisor for student exchanges within the programme SOCRATES-

ERASMUS of the European Commission

10 1999-2001 Senior researcher, Dept. of Informatics, Aristotle Univ. of Thessaloniki,

“3-D Image Processing and Virtual Reality Applications in Medicine

and Dentistry”. Financed by the Greek Secretariat of Research and

Technology.

11 2001-2005 Senior Researcher, Dept. of Informatics, Aristotle Univ. of Thessaloniki,

“COST 275 Biometrics Person Recognition over the Internet”. Financed

by the European Commission within the framework of COST

programme.

12 2000-2002 Senior researcher (deputy principal researcher), Dept. of Informatics,

Aristotle Univ. of Thessaloniki, “HYPERGEO: Easy and Friendly

Access to Geographic Information for Mobile Users”. Financed by the

European Commission within the framework of Information Society

Technologies (IST) programme.

13 2000-2004 Deputy Research Network Coordinator, Dept. of Informatics, Aristotle

Univ. of Thessaloniki, “MUHCI: Multi-modal Human-Computer

Interaction”. Financed by the European Commission within the

framework of Improving Human Research Potential (IHRP-RTN).


“MOUMIR: Models for Unified Multimedia Information Retrieval”.

Financed by the European Commission within the framework of

Improving Human Research Potential (IHRP-RTN).

15 2001-2003 Senior researcher, (deputy principal researcher), Informatics and

Telematics, Institute, Centre for Research and Technology Hellas

“WORLDS STUDIO: Innovative Computer Tools for Virtual 3D

Environment Production”. Financed by the European Commission

within the framework of Information Society Technologies (IST)

programme.


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“Use of virtual reality to train pupils to cope with earthquakes”.


17 2003-2006 Principal Researcher, Dept. of Informatics, Aristotle Univ. of

Thessaloniki, “HERACLITUS-I: Multimedia Speech Processing”.

Financed by the Greek Ministry of Education.


“MUSCLE: Multimedia Understanding through Semantics,

Computation and Learning”. Financed by the European Commission as

Network of Excellence (NOE) within the framework of IST-FP6.


“VISNET: Networked Audiovisual Media Technologies”. Financed by

the European Commission as Network of Excellence (NOE) within the

framework of IST-FP6.

20 2005-2006 Deputy Principal Researcher, Dept. of Informatics, Aristotle Univ. of

Thessaloniki, “PYTHAGORAS II: Efficient Organizing, Browsing, and

Retrieval Techniques in Multimedia”. Financed by the Greek Ministry

of Education.


Thessaloniki, “Multimodal Affect Recognition in Call-Centers”.



“COST 2101 Biometrics for Identity Documents and Smart Cards

(BIDS)”. Financed by the European Commission within the framework

of COST programme.


“Comp-psy Computational Neuropsychology”, Thematic Research

Network, Research Committee of the Aristotle University of

Thessaloniki.


Thessaloniki, “HERACLITUS-II: “Digital Audio Processing with

emphasis to Music”. Financed by the Greek Ministry of Education.

25 2012-2015 Co-Principal Investigator (AUTH Research Team Coordinator),

National and Kapodistrian University of Athens “THALES:

Erasitechnis – Processing, Analysis, Synthesis and Context-based

Retrieval for Multimedia Music-Related Data Bases of Traditional

Music and Dancing Recordings”. Financed by the Greek Ministry of

Education


“COST IC1106 Integrating Biometrics and Forensics for the Digital

Ages”. Financed by the European Commission within the framework of

COST programme.

27 2013-2015 Principal Investigator (Consortium leader), “ATLAS: Advanced

Tourism Planning System”, Dept. of Informatics, Aristotle Univ. of

Thessaloniki, Financed by the Greek Secretariat of Research and

Technology within the framework of Cooperation-2011 programme.

28 2018-2020 Principal Investigator (Consortium Leader), "PROMOTE: Tools for

Promoting Tourism Experience", Dept. of Informatics, Aristotle Univ.

of Thessaloniki, Financed by the Greek Secretariat of Research and

Technology within the framework of Research-Create-Innovate


6/7/2020 15

programme.

FINANCED RESEARCH PROJECTS

1. Contributions to project proposal preparation, submission, research, and management in

cooperation with Professor Ioannis Pitas, Head of the Artificial Intelligence and Information

Analysis Laboratory

- Research projects financed by the European Union and their corresponding

budgets

• HYPERGEO (IST) 180 KEURO

• MUHCI (RTN) 270 KEURO

• WORLDS STUDIO (IST) 294 KEURO

• MUSCLE (FP6 IST) 150 KEURO

- Research projects financed by the Greek Secretariat of Research and Technology

and their corresponding budgets

• Use of virtual reality for training pupils to cope with earthquakes (Budget: 69

KEURO)

• PYTHAGORAS II: Efficient Organizing, Browsing, and Retrieval Techniques in

Multimedia (Budget: 60 KEURO)

2. Principal researcher (Prime Investigator) in the projects

- “HERACLITUS-I: Multimedia Speech Processing” (Budget: 32,709 KEURO)

- “Multimodal Affect Recognition in Call-Centers” (Budget: 83,085 KEURO)

- “HERAKLITUS-II: Digital Signal Processing with emphasis to Music” (Budget: 45

KEURO)

- “COOPERATION 2011: Advanced Tourism Planning System” (Budget: 210 KEURO)

- “RESEARCH-CREATE-INNOVATE: Tools for Promoting Tourism Experience”

(Budget: 200 KEURO)

3. Co-Principal investigator in the project

- “THALES: Erasitechnis – Processing, Analysis, Synthesis and Context-based Retrieval

for Multimedia Music-Related Data Bases of Traditional Music and Dancing

Recordings” (Budget: ~119 KEURO)

ACADEMIC OCCUPATION AND VISITS IN UNIVERSITIES ABROAD

1993 Three-month summer visit in Signal Processing Laboratory, Tampere

University of Technology, Finland (collaboration with Prof. Moncef

Gabbouj).

9/2008 –

8/2009

Yearly sabbatical in the Department of Electrical and Computer Engineering,

University of Delaware, Newark, U.S.A. (collaboration with Prof. Gonzalo R.

Arce)

EDITOR

2000-2001 Guest Editor (with A. Petropulu and I. Pitas) in the Special Issue of Pattern

Recognition Letters on “Ultrasonic Image Processing and Analysis”

2008- Editorial Board Member Advances in Multimedia, Hindawi Publishers

2010-2014

2014-2018

Associate Editor, IEEE Signal Processing Letters

Senior Area Editor (SPEech processing), IEEE Signal Processing Letters


6/7/2020 16

2011-2017 Editorial Board Member International Scholarly Research Notices, Hindawi

Publishers

2012- Editorial Board Member Computer Methods in Biomechanics and

Biomedical Engineering: Imaging & Visualization, Taylor and Francis Group

2015- Associate Editor, Artificial Intelligence Review, Springer

2017- Editorial Board Member Journal of Imaging, MDPI

2017 Guest Associate Editor, IEEE Signal Processing Magazine

2018- Editorial Board Member Journal of Methods and Protocols, MDPI

2020- Editorial Board Member Journal Signals

REVIEWER

1994- International Journals (94):

(49) IEEE Transactions on Signal Processing

IEEE Transactions on Image Processing

IEEE Transactions on Circuits and Systems (Part I-II)

IEEE Transactions on Neural Networks

IEEE Transactions on Medical Imaging

IEEE Signal Processing Letters

IEEE Transactions on Circuits and Systems for Video Technology

IEEE Transactions on Systems, Man, and Cybernetics, Part B

IEEE Transactions on Fuzzy Systems

ΙΕΕΕ Transactions on Pattern Analysis and Machine Intelligence

IEEE Transactions on Multimedia

IEEE Signal Processing Magazine

IEEE Transactions Audio, Speech, and Language Processing

SPIE Optical Engineering

SPIE Journal of Electronic Imaging

Signal Processing

Multidimensional Systems and Signal Processing

IEE Proceedings Vision, Image, and Signal Processing

Electronics Letters

Image and Video Computing Journal

Pattern Recognition Letters

Pattern Analysis and Applications

International Journal of Computer Research

ACM Transactions on Embedded Computing Systems

Machine Vision

Journal of Computing and Information Technology

Artificial Intelligence in Medicine

Computer Vision and Image Understanding

Journal of Real Time Image Processing

Journal of Natural Language Engineering

Information Sciences

Speech Communication

EURASIP Journal Applied Signal Processing

Neurocomputing

Wiley Int. Journal Imaging Systems and Technology

Journal of Multimedia


6/7/2020 17

Pattern Recognition

Signal, Image, and Video Processing

JZUS- Journal of Zhejiang University SCIENCE A

IET Image Processing Journal

IET Signal Processing Journal

Journal of Signal Processing Systems

Asia Pacific Management Review

Journal of Systems and Software

Neural Processing Letters

Applied Soft Computing

Computer Speech and Language

EURASIP Journal on Audio, Speech, and Music Processing

(35) Int. Journal of Control, Automation, and Systems

Research Letters Signal Processing

IEEE Transactions on Very Large Scale Integration

The Computer Journal

ETRI Journal

ΙΕΕΕ Transactions on Affective Computing

IEEE Transactions on Knowledge and Data Engineering

IEEE Journal Selected Topics in Signal Processing

IET Microwaves, Antennas and Propagation

Applied Artificial Intelligence

IEEE Transactions on Biomedical Engineering

Scientia Iranica

Digital Signal Processing

Scientific Research & Essays

Mindanao Journal of Science & Technology

Int. Journal of Intelligent Systems

Engineering Applications of Artificial Intelligence

Frontiers of Computer Science

World Wide Web Journal

Computers in Biology and Medicine

IEEE Trans. Information Forensics & Security

IET Biometrics

Journal of Aerospace Engineering

Scientific World Journal

Mathematical Problems in Engineering

Sensors MDPI

Biomedical Signal Processing and Control

Applied Mathematics and Computation

Journal of Visual Image Communication and Representation

Computational Intelligence and Neuroscience

Neural Computing and Applications

Symmetry

Journal of Biomedical Informatics

Ain Shams Engineering Journal

International Journal of Speech Technology

(10) International Journal of Pattern Recognition and Artificial Intelligence Expert Systems with Applications

Applied Sciences, MDPI


6/7/2020 18

Computer Methods and Programs in Biomedicine

Circuits, Systems, and Signal Processing

Knowledge-Based Systems

Security and Communication Networks, Hindawi

Int. Journal of AI Tools

IEEE Access

IEEE Transactions on Emerging Topics in Computational Intelligence

2006- Book chapters/Book proposals (6):

2006 P. Maragos, A. Potamianos and P. Gros (Eds.), Multimodal Processing and

Interaction: Audio, Video, Text. N.Y.: Springer, 2007.

2007 A. Liew and S. Wang (Eds.), Visual Speech Recognition: Lip Segmentation

and Mapping, IGI Publishing, 2008.

2008 J. Fridrich, Fundamentals of Steganography, Academic Press.

2009 C. Martin-Vide (Ed.), Mathematics, Computing, Language, and Life:

Frontiers in Mathematical Linguistics and Language Theory, Imperial

College Press.

2013 H. Lu, K. N. Plataniotis and A. N. Venetsanopoulos, Multilinear Subspace

Learning: Reduction of Multi-dimensional Data, CRC Press.

2014 I. I. Pitas, Graph-Based Social Media Analysis, CRC, Press

1993- International Conferences (36):

ΙΕΕΕ Conf. Image Processing (ICIP) (2001- )

European Signal Processing Conf. (EUSIPCO)

IEEE Symp. Circuits and Systems (ISCAS)

IEEE Workshop Nonlinear Signal and Image Processing (NSIP)

First Int. Conf. Audio- and Video-based Biometric Person Authentication

(AVBPA)

Computer Analysis of Images and Patterns (CAIP)

Nonlinear Model-Based Image Analysis Workshop (NMBIA)

Int. Conf. Artificial Neural Networks

8th Panhellenic Conf. in Informatics

SETN-2002 2nd Hellenic Conf. Artificial Intelligence

Int. Conf. Digital Signal Processing

First Int. Workshop Interactive Rich Media Content Production

Eurographics 2004

WIAMIS 2005

Int. Conf. Communications, Circuits, and Systems (ICCCAS 2005)

10th Panhellenic Conf. in Informatics

9th Int. Work-Conf. Artificial Neural Networks (IWANN2007)

2007 Multimedia Signal Processing (MMSP)

2007 Int. Conf. Artificial Intelligence Tools

6th Int. Conf. Computer Vision Systems (ICVS 2008)

2009 Int. Work-Conf. Artificial Neural Networks (IWANN2009)

2009 Int. Conf. Artificial Neural Networks (ICANN 2009)

2010 Int. Conf. Pattern Recognition (ICPR 2010)

2012 Int. Conf. Pattern Recognition (ICPR 2012)

2012 IEEE Symp. Industrial Electronics & Applications (ISIE 2012)

9th Workshop on Self-Organizing Maps (WSOM 2012), December 12-14,

Santiago, Chile


6/7/2020 19

2013 IEEE Int. Conf. Clean Energy & Technologies (CEAT 2013),

November 18-20, Langkawi, Malaysia.

2nd Int. Conf. Advanced Micro and Nanocomposite for Engineering (ICNC

2014), February 3-6, Honolulu, Hawaii, USA.

2014 Int. Joint Conference on Neural Networks (IJCNN 2014), July 6-11,

Beijing, China.

2014 Int. Conf. Pattern Recognition (ICPR 2014), August 24-28, Stockholm,

Sweden.

2015 Int. Joint Conference on Neural Networks (IJCNN 2015), July 12-15,

Killarney, Ireland.

2016 Int. Conf. Pattern Recognition (ICPR 2016), Cancun, Mexico,

December 4-8.

2017 Int. Joint Conference on Neural Networks (IJCNN 2017), May 14-19,

Anchorage, Alaska, USA.

2018 Int. Joint Conf. on Neural Networks (IJCNN 2018), July 8-13, Rio de

Janeiro, Brazil.

2019 Int. Joint Conf. on Neural Networks (IJCNN 2019), July 14-19,

Budapest, Hungary.

2005- Conference Technical Programme Committee Member (156):

2005 (1) 2nd Int. Conf. Computer Science

2006 (2) SETN-2006 4th Hellenic Conf. on Artificial Intelligence

VISAPP 2006, Int. Conf. on Computer Vision Theory and Applications

2007 (7) RIAO 2007 Large-Scale Semantic Access to Content (Text, Image, Video

and Sound) Conf.

VISAPP 2007, Int. Conf. Computer Vision Theory and Applications

2007 IEEE Symp. Computational Intelligence for Image and Signal

Processing

2007 IEEE Workshop Machine Learning for Signal Processing

2007 Engineering Applications of Neural Networks

2007 European Signal Processing Conf.

VipIMAGE - I ECCOMAS Thematic Conf. Computational Vision and

Medical Image Processing

2008 (10) VISAPP 2008, Int. Conf. Computer Vision Theory and Applications

2008 Int. Conf. Pattern Recognition

SETN-2008, 5th Hellenic Conf. Artificial Intelligence


VipIMAGE - II ECCOMAS Thematic Conf. Computational Vision and

Medical Image Processing

5th IFIP Conf. Artificial Intelligence Applications & Innovations

Special Track Computational Bioimaging and Visualization within ISVC08


2008 Int. Conf. Signal Processing and Multimedia Applications (SIGMAP

2008)

2008 Int. Congress on Pervasive Computing and Management

2009 (11) VISAPP 2009, Int. Conf. Computer Vision Theory and Applications

2009 Int. Conf. Computer Vision Systems

IEEE Symp. Computational Intelligence for Image Processing (CIIP 2009)

Int. Conf. Imaging Theory and Applications” - IMAGAPP 2009


6/7/2020 20

2009 IEEE Int. Symp. Circuits and Systems (Review Committee Member)

Int. Symp. Programming and Systems (ISPS 2009) Artificial Intelligence

Track



2009 Int. Symp. Visual Computing Special Track Computational Bioimaging

Signal & Image Technologies (SIT) track of the IEEE-SITIS'09

BioID_MultiComm'09

2010 (9) CompIMAGE'2010 Symposium - Computational Modeling of Objects

Represented in Images: Fundamentals, Methods and Applications

2010 Int. Conf. Computer Vision Theory and Applications (VISAPP-2010)

4th Int. Conf. Image and Signal Processing

6th Int. Conf. of the Hellenic AI Society (SETN-2010)

2010 Int. Conf. Artificial Neural Networks

2010 Int. Conf. Signal Processing and Multimedia Applications (SIGMAP

2010)


1st Int. Conf. Machine and Web Intelligence (ICMWI 2010)

2010 European Signal Processing Conference

2011 (7) 2nd World Congress on Computer Science and Information Engineering

(CSIE 2011)

Int. Conf. Computer Vision Theory and Applications (VISAPP-2011)

Int. Conf. Signal Processing and Multimedia Applications (SIGMAP 2011)


3rd European Workshop Biometrics and Identity Management - BioID 2011


Internet Applications and Research – IAR 2011

2012 (8) Int. Conf. Pattern Recognition Applications and Methods - ICPRAM 2012

2012 Int. Conf. Computer Vision Theory and Applications - VISAPP-2012

IASTED Int. Conf. Signal Processing and Pattern Recognition Applications -

2012 SPPRA

SETN-2012, 7th Hellenic Conf. Artificial Intelligence


Int. Conf. Signal Processing and Multimedia Applications (SIGMAP 2012)

2012 IEEE Int. Power Energy Conf.

2012 ACM/IEEE/IFAC/TRB Int. Conf. Connected Vehicles & Expo (ICCVE

2012), December 12-16, Bejing, China

2013 (17) IASTED Int. Conf. Signal Processing, Pattern Recognition and Applications

(SPPRA 2013), February 12-14, Innsbruck, Austria.

Int. Conf. Computer Vision Theory and Applications (VISAPP 2013),

February 21-24, Barcelona, Spain.

6th Iberian Con. Pattern Recognition and Image Analysis (IbPRIA 2013), June

5-7, Madeira, Portugal

Int. Conf. Pattern Recognition Applications and Methods (ICPRAM 2013),

February 15-18, Barcelona, Spain

10th IEEE Int. Conf. Automatic Face and Gesture Recognition (FG 2013),

April 22-26, 2013, Shanghai, China

2013 IEEE Wireless Communications and Networking Conf. (PHY Track),

April 7-10, Shanghai, China

2013 Int. Conf. Digital Signal Processing, July 1-3, Santorini, Greece


6/7/2020 21

9th Int. Conf. Computer Vision Systems, July 16-18, St. Petersburg, Russia

Int. Conf. Signal Processing and Multimedia Applications (SIGMAP 2013),

July 29-31, Reykjavic, Iceland

2013 IEEE Int. Conf. Acoustics, Speech, and Signal Processing, Vancouver,

Canada, May 26-31, Vancouver, Canada

8th Int. Symposium Image and Signal Processing and Analysis, September 4-

6, Trieste, Italy

17th Panhellenic Conf. on Informatics (PCI 2013), September 19-21,


2013 European Signal Processing Conf. September 9-13, Marrakech,

Morocco

Int. Congress Neurotechnology, Electronics, and Informatics, (Neurotechnix

2013), September 18-20, Vilamoura, Algarve, Portugal

2013 IEEE Symposium Industrial Electronics & Applications, September 22-

25, Kuching, Malaysia

Int. Conf. Computational and Experimental Biomedical Sciences

(ICCEBS2013), October 20-22, 2013, Ponta Delgada, S. Miguel Island,

Azores, Portugal

2013 ACM/IEEE/IFAC/TRB Int. Conf. Connected Vehicles & Expo (ICCVE

2013), December 2-6, Las Vegas, Nevada

2014 (16) Int. Conf. Computer Vision Theory and Applications (VISAPP 2014),

January 5-8, Lisbon, Portugal

9th Int. Conf. Applied Informatics (ICAI 2014), Eger, Hungary, January 29–

February 1, 2014


March 6-8, Angers, Loire Valley, France

2014 IEEE Int. Conf. Acoustics, Speech, and Signal Processing, May 4-9,

Florence, Italy

SETN-2014, 8th Hellenic Conf. Artificial Intelligence, May 15-17, Ioannina,

Greece

2014 IEEE Innovative Smart Grid Technologies Conference – Asia

(ISGT14), May 20-23, Kuala-Lumpur, Malaysia

6th Int. Conf. Evolving Internet (INTERNET 2014), June 22-26, Seville,

Spain

2014 Int. Conf. Digital Signal Processing, August 21-24, Hong Kong


August 28-30, Vienna, Austria

4th Int. Symposium Cloud and Service Computing (SC2 2014), a joint event

with the IoV 2014, September 1-2, Beijing, China

2014 European Signal Processing Conf., September 1-5, Lisbon, Portugal.

CompIMAGE'2014 Symposium - Computational Modeling of Objects

Represented in Images: Fundamentals, Methods and Applications, September

3-5, Pittsburg, PA

Int. Computer Music Conf. (40th ICMC) jointly with the Sound & Music

Computing Conf. (11th SMC), September 14-20, Athens Greece

18th Panhellenic Conf. Informatics (PCI 2014), October 2-4, Athens


2014), October 25-26, Rome, Italy

3rd Int. Conf. Connected Vehicles & Expo, Nov 3-7, Vienna, Austria

2015 (18) Int. Conf. Pattern Recognition Applications and Methods (ICPRAM 2015),


6/7/2020 22

January 10-12, Lisbon, Portugal

Int. Conf. Signal Processing & Integrated Networks (SPIN 2015), Feb. 19-20,

2015, Noida, India

1st Int. Conf. New Music Concepts (ICNMC 2015), March 7-8, Treviso, Italy

Int. Conf. Computer Vision Theory and Applications (VISAPP 2015), March

11-14, Berlin, Germany

2015 IEEE Int. Conf. Acoustics, Speech, and Signal Processing, April 19-24,

Brisbane, Australia

Face and Gesture Recognition 2015, May 4-8, Ljublijana, Slovenia

7th Iberian Conf. Pattern Recognition and Image Analysis, June 10-12,

Santiago de Compostela, Spain

2015 Int. Conf. Digital Signal Processing, July 21-24, Singapore.

2015 European Signal Processing Conf., August 31-September 4, Nice, Côte

d’ Azur, France

9th Int. Symposium Image and Signal Processing and Analysis (ISPA 2015),

September 7-9, Zagreb, Croatia

19th Panhellenic Conf. Informatics (PCI 2015), October 1-2, Athens

IEEE Workshop Applications of Signal Processing to Audio and Acoustics,

October 18-21, Mohonk Mountain House, New Paltz, NY, USA

5th ECCOMAS Thematic Conference on Computational Vision and Medical

Image Processing (VipIMAGE 2015), 19-21 October 2015, Tenerife, Spain

IEEE 2015 Int. Conf.Connected Vehicles & Expo, October 19-23, Shenzhen,

China

2015 IEEE Conf.Energy Conversion (CENCON 2015), 19–21 October 2015,

Johor Bahru, Malaysia


2015), November 16-17, Lisbon, Portugal

11th Int. Symposium Visual Computing (ISVC 2015), December 14-16, Las

Vegas, USA

2015 Int. Conf. Internet of Vehicles (IOV 2015), December 19-21, Chengdu,

China

2016 (15) Int. Conf. Signal Processing & Integrated Networks (SPIN 2016), Feb. 11-12,

2016, Noida, India


February 24-26, Rome, Italy


February 27-29, Rome, Italy

2nd Int. Conf. New Music Concepts (ICNMC 2016), March 3-4, Treviso, Italy

2016 IEEE Int. Conf. Acoustics, Speech, and Signal Processing, March 20-

25, Shanghai, China

9th Hellenic Conf. Artificial Intelligence (SETN-2016), May 18-20,



July 26-28, Lisbon, Portugal

Int. Conf. Signal Processing and Communication Systems (SPCS 2016), July

25-27, Lisbon, Portugal

2016 European Signal Processing Conf., August 29-September 2, Budapest,

Hungary

2016 IEEE Int. Workshop Machine Learning for Signal Processing,

September 13-16, Vietri sul Mare, Salerno, Italy


6/7/2020 23

3rd Int. Symposium Computer Vision and the Internet (VisionNet'16),

September 21-24, 2016, Jaipur, India

21st Int. Conf. Digital Signal Processing (DSP 2016), October 16-18, Beijing,

China Int. Congress Neurotechnology, Electronics, and Informatics, (Neurotechnix

2016), November 7-8, Porto, Portugal

20th Panhellenic Conf. Informatics, Patras, November 10-12, Patras, Greece. 3rd Int. Conf. Internet of Vehicles, December 8-10, Nadi, Fiji.

2017 (16) Int. Conf. Pattern Recognition Applications and Methods (ICPRAM 2017),

February 24-26, Porto, Portugal


February 27- March 1, Porto, Portugal

2017 IEEE Int. Conf. Acoustics, Speech, and Signal Processing, March 5-9,

New Orleans, USA

2nd Int. Conf. Multimedia and Image Processing, March 17-19, Wuhan, China

4th Int. Conf. New Music Concepts (ICNMC 2017), Treviso, Italy, March 18-

19

5th Int. Workshop Biometrics and Forensics (IWBF 2017), April 4-5,

Coventry, U.K.

2nd Int. Conf. Advances in Signal, Image, and Video Processing - From

Sensing to Applications (SIGNAL 2017), May 21-25, Barcelona, Spain

8th Iberian Conf. Pattern Recognition and Image Analysis (IbPRIA 2017),

June 21-23, Faro, Portugal

1th Int. Conf. Computer Vision Systems (ICVS 2017), July 10-13, Shenzhen,

China 22nd Int. Conf. Digital Signal Processing (DSP 2017), August 23-25, London,

U.K. 19th Int. Conf. Speech and Computer (SPECOM 2017), September 12-16,

Hatfield, Hertfordshire, U.K.

10th Int. Symposium Image and Signal Processing and Analysis (ISPA 2017),

September 18-20, Ljubljana, Slovenia


September 25-28, Tokyo, Japan

2017 IEEE Workshop Applications of Signal Processing to Audio and

Acoustics (WASPAA 2017), October 15-18, Mohonk Mountain House in

New Paltz, New York, USA


2017), October 30-31, Funchal, Portugal

The 4th Int. Conf. Internet of Vehicles (IOV 2017), November 22-25,

Kanazawa, Japan

2018 (11) Int. Conf. Computer Vision Theory and Applications (VISAPP 2018),

January 27-29, Funchal, Madeira, Portugal

2018 IEEE Int. Conf. Acoustics, Speech, and Signal Processing, April 15-20,

Calgary, Alberta, Canada

6th Int. Symposium CompIMAGE’18 – Computational Modeling of Objects

Presented in Images: Fundamentals, Methods, and Applications, July 2-5,

Cracow, Poland


July 26-28, Lisbon, Portugal

3rd Int. Conf. Signal Processing and Communication Systems (SPCS 2018),


6/7/2020 24

July 29-30, Porto, Portugal

27th Int. Conf. Artificial Neural Networks (ICANN 2018), October 5-7,

Rhodes, Greece


September 17-20, Aalborg, Denmark


2018), September 20-21, Seville, Spain

6th IEEE Global Conf. Signal and Information Processing (GlobalSIP 2018),

November 26-29, Anaheim, CA

2018 Int. Conf. Signal Processing and Machine Learning (SPML 2018),

November 28-30, Shanghai, China

22nd Panhellenic Conf. on Informatics (PCI 2018), November 29-December

1, Athens, Greece

2019 (8) 2019 Asia Pacific Information Technology Conference (APIT 2019), January

25-27, Jeju Island, South Korea


February 19-21, Prague, Czech Republic


February 25-27, Prague, Czech Republic

1st Int. Conf. Signal Processing, VLSI and Communication Engineering

(ICSPVCE-2019), March 28-30, Delhi, India

IEEE Wireless Communications and Networking Conference (WCNC 2019),

April 15-18, Marrakech, Morocco

7th IAPR/IEEE International Workshop on Biometrics and Forensics, May 2-

3, Cancun, Mexico

2019 IEEE Int. Conf. Acoustics, Speech, and Signal Processing, May 12-17,

Brighton, U.K.


July 26-28, Prague, Czech Republic

Area Chair

2018 XXVI European Signal Processing Conf., Rome, Italy, September 3-7, 2018.

Technical Program Committee Track Chair

2014 6th Int. Symposium Communications, Control, and Signal Processing, May

21-23, Athens, Greece.

Program Committee Co-Chair

2016 4th Int. Workshop Biometrics and Forensics (IWBF 2016), March 3-6,

Limassol, Cyprus.

Special Session Chair

2016 IEEE Digital Media Industry and Academic Forum, July 4-6, Santorini,

Greece.

Technical Program Committee Chair

2017 XXV European Signal Processing Conf., Kos, Greece 2017 (Among the 4 PC

Chairs, primary area: Speech and Audio Processing).

5th IEEE Global Conf. Signal and Information Processing, Montreal, Canada,


6/7/2020 25

November 14-16, 2017.

2023 IEEE Int. Conf. Acoustics, Speech, and Signal Processing, Kos, Greece 2023

(Among the 4 PC Chairs).

2002- Research Bodies, Foundations:

2002,

2011-2013

State Scholarship Foundation of Greece

2006-2009 European Commission, Future and Emerging Technologies, project ASPI

(Audiovisual to Articulatory Speech Inversion) [1st , 2nd, 3rd year reviews]

2006-2007 General Secretarial for Research and Technology, Greek Ministry of

Development, Spin-off company “Voice-in Ltd.” (intermediate and final

review)

2007 European Commission, ICT-2007.3.2 "Organic and large area electronics,

visualisation, and display systems"

General Secretariat for Research and Technology, Greek Ministry of

Development, Framework on Image, Audio, and Language Processing”:

Project “User-robot interaction based on vision understanding, speech

processing, and natural language generation for museum guide (Xenios)”

2008 General Secretarial for Research and Technology, Greek Ministry of

Development, Framework on Image, Audio, and Language Processing”:

Project “Adaptive real-time systems for semantic mining and intelligent

interfaces – demonstrations in surveillance and teleconferencing

(PRIAMOS)” (intermediate and final review)

University of Macedonia, Basic Research Projects

Cyprus Research Promotion Foundation [Proposals under “Desmi” and

“Proion”]

2009 USA-National Science Foundation [III Small Multi Media Panel]

2010 General Secretariat for Research and Technology, Greek Ministry of

Education, Framework “Synergasia”.

University of Patras, Basic Research Projects “Caratheodory”


Education and Life-long Learning, “Supporting SMEs in R&D activities”.


Education and Life-long Learning, “Supporting Companies to hire qualified

R&D personnel”.

General Secretariat for Life-Long Learning, Greek Ministry of Education and

Life-long Learning, “Re-training graduates of Greek Academia” (Domain:

Culture).


Education and Religion Affairs, “Greece-Germany bilateral cooperation”.

2014-2015 General Secretariat for Research and Technology, Greek Ministry of

Education and Religion Affairs, Project “Digital library for VIDEO storing,

processing & SUMmarization (VIDEO-SUM)”.

2016-2017 Cyprus Research Promotion Foundation [Cyprus Research Awards].

Romanian Executive Agency for Higher Education, Research, Development

and Innovation Funding [Reviewer].

2017 Greek Secretariat for Research and Technology, Greek Ministry of Education,

Research, and Religious Affairs [Action Line II-Panel Chair].

General Secretariat for Life-Long Learning, Greek Ministry of Education,

Research, and Religious Affairs [EDBM34 Reviewer].


6/7/2020 26

Hellenic Open University [Signal and Image Processing External Faculty

Evaluator].

Hellenic Foundation for Research & Innovation [Postdoctoral researchers'

proposals Reviewer].

Research Council of Norway [Reviewer and Panelist].

Romanian Executive Agency for Higher Education, Research, Development


2018 Romanian Executive Agency for Higher Education, Research, Development


Greek Secretariat for Research and Technology, Greek Ministry of

Education, Research, and Religious Affairs [Action Line II - Rebuttals

Committee].

Hellenic Foundation for Research & Innovation [Faculty short proposals

Engineering Area].

Netherlands Organisation for Scientific Research (NWO, the Dutch Research

Council) [Reviewer].

Swiss National Science Foundation [Reviewer].

University of Camerino (Unicam), Italy, Funding Research Proposals

[Reviewer].

2019 Greek Secretariat for Research and Technology, Greek Ministry of

Development and Investments, [Action Line II – Panel Chair]

Consulting:

2003-2004 Information Society S.A., Evaluation of bids for the project “Integrated

Information System for Greek Army Recruiting Service”

SESSION CHAIR (33)

1997 1997 IEEE-EURASIP Workshop Nonlinear Signal and Image Processing,

Mackinac Island, Michigan, U.S.A, September 1997.

1998 IX European Signal Processing Conf., Rhodes, Greece, September 1998.

1999 International COST 254 Workshop Intelligent Communication Technologies

and Applications, Neuchâtel, Switzerland, May 1999.

2001 2001 IASTED Conf. Applied Informatics, Innsbruck, Austria, February 2001.

2001 IEEE-EURASIP Nonlinear Signal Image Processing Workshop,

Baltimore, June 2001.

2001 IEEE Int. Conf. Image Processing, Thessaloniki, Greece, October 2001.

8th Panhellenic Informatics Conf., Nicosia, Cyprus, November 2001.

2002 2nd Hellenic Conf. Artificial Intelligence, Thessaloniki, Greece, April 2002.

14th Int. Conf. Digital Signal Processing, Santorini, Greece, July 2002.

Workshop on Dynamic Perception, Bochum, Germany, November 2002.

2003 2003 ΙΕΕΕ-EURASIP Nonlinear Signal Image Processing Workshop, Grado,

Italy, June 2003 (nominated).

DEXA 2003 Database and Expert System Applications, Prague, Czech

Republic, September 2003.

9th Panhellenic Informatics Conf., Thessaloniki, Greece, November 2003.

2004 XII European Signal Processing Conf., Vienna, Austria.

2005 2005 ΙΕΕΕ-EURASIP Nonlinear Signal Image Processing Workshop,

Sapporo, Japan, May 2005 (nominated).


6/7/2020 27

2006 4th Hellenic Conf. Artificial Intelligence, Heraklion, Crete, May 2006

(nominated).

2006 IEEE Int. Symposium Industrial Electronics, Montreal, Canada, July

2006.

2006 IEEE Int. Conf. Multimedia and Expo, Toronto, Canada, July 2006.

2007 XV European Signal Processing Conference, Poznan, Poland.

2013 18th Int. Conf. Digital Signal Processing, Santorini, Greece, July 2013.

2014 2nd Int. Workshop Biometrics and Forensics, Valletta, Malta, March 2014.

2014 IEEE Int. Conf. Audio, Speech, and Language Processing, Florence,

Italy, May 2014.

8th Hellenic Conf. Artificial Intelligence, Ioannina, Greece May 2014.

2014 IEEE Int. Symp. Communications, Control, and Signal Processing,

Athens, Greece, May 2014.

19th Int. Conf. Digital Signal Processing, Hong Kong, August 2013.

2015 2015 IEEE Int. Conf. Audio, Speech, and Signal Processing, Brisbane,

Australia, April 2015.

2016 4th Int. Workshop Biometrics and Forensics, Limassol, Cyprus, March 2016.

1st IEEE Digital Media Industry Academic Forum, Santorini, Greece, July

2016.

XXIV European Signal Processing Conf., Budapest, Hungary, August 29-

September 2, 2016.

2017 XXV European Signal Processing Conf., Kos, Greece, August 29-September

1, 2017.

5th IEEE Global Conf.Signal and Information Processing, Montreal, Canada,

November 14-17, 2017.

2018 XXVI European Signal Processing Conf., Rome, Italy, September 3-

September 7, 2018.

2019 IEEE Int. Conf. Image, Processing, Taipie, Taiwan, September 22-25, 2019.

IEEE Int. Workshop Machine Learning for Signal Processing, Pittsburg, PA,

October 13-16, 2019.

CITATIONS Α number of 2035 (h-index=21) confirmed third party citations to published works co-

authored by C. Kotropoulos have been recorded by personal indexing. Indicatively: 2306 (h-

index=24) are traced by the Science Citation Index (Reuters Thomson Web of Science All

Databases1) and 3332 (h-index=27) are traced by the SCOPUS. Publish or Perish returns 7084 (h-

index=43) and Google Scholar Citations traces 7364 (h-index=44) including self-citations (October

2019).

DISTINCTIONS

1999- Biography in several editions of “Who’s Who”

2001 IEEE SPS certificate of appreciation for contributions as Finance Chair in the

organization of 2001 IEEE Int. Conf. Image Processing

2006 Senior Member of the IEEE

2017 IEEE SPS certificate of merit for dedication and leadership in organizing the

2017 IEEE Global Conf. Signal and Information Processing

12231 (h-index=23) are traced by the Reuters Thomson Web of Science (Core Collection)


6/7/2020 28

PARTICIPATION IN CONFERENCES (WITH A PRESENTATION)

1990 1st Scientific Conf. Geophysics, Athens, April 1990.

V Signal Processing Conf., Barcelona, Spain, September 1990.

1991 Conf. Computer Analysis of Images and Patterns, Dresden, September 1991.

1993 IEEE Winter Workshop Nonlinear Digital Signal Processing, Tampere, Finland,

1993.

1996 IEEE Int. Conf. Image Analysis (ICIP 96), Lausanne, Switzerland, September

1996.

1997 First Int. Conf. Audio- and Video-based Biometric Person Authentication (AVBPA

97), Crans-Montana, Switzerland, March 1997.

IEEE Int. Conf. Acoustics, Speech and Signal Processing, Munich, Germany, April

1997.

13th Int. Conf. Digital Signal Processing (DSP 97), Santorini, Greece, July 1997.

IEEE Workshop Nonlinear Signal and Image Processing (NSIP 97), Mackinac

Island, Michigan, U.S.A., September 1997.

1998 IX European Signal Processing Conf., Rhodes, Greece, September 1998.

1999 Int. COST 254 Workshop Intelligent Communication Technologies with Emphasis

on Mobile Communications, Neuchâtel, Switzerland, 1999.

Machine Learning and Applications, Workshop W10: Support Vector Machine

Theory and Applications, ACAI 99, Chania, Crete, July 1999.

2000 21st Annual Workshop Linguistics, Aristotle University of Thessaloniki, May

2000.

IEEE Int. Conf. Acoustics, Speech and Signal Processing, Istanbul, Turkey, June

2000.

X European Signal Processing Conf., Tampere, Finland, September 2000.

IEEE Int. Conf. Image Processing, Vancouver, Canada, September 2000.

2001 IASTED Conf. Applied Informatics, Innsbruck, Austria, February 2001.

IEEE-EURASIP Nonlinear Signal and Image Processing Workshop, Baltimore,

June 2001.

Workshop Pattern Recognition in Information Systems, Setubal, Portugal, July

2001.

European Circuit Theory and Design Conf., Helsinki, Finland, August 2001.

IEEE Int. Conf. Image Processing, Thessaloniki, Greece, October 2001.

8th Panhellenic Informatics Conf., Nicosia, Cyprus, November 2001.

2002 2nd Hellenic Conf. Artificial Intelligence, Thessaloniki, Greece, April 2002.

ΙΕΕΕ Int. Conf. Acoustics, Speech, and Signal Processing, Florida, May 2002.


Workshop Dynamic Perception, Bochum, Germany, November 2002.

2003 DEXA 2003, Database and Expert System Applications, Prague, Czech Republic,

September 2003.

Richmedia 2003, First Int. Workshop Interactive Rich Media Content Production,

Lausanne, Switzerland, October 2003.

9th Panhellenic Informatics Conf., Thessaloniki, November 2003.

2004 ΙΕΕΕ Int. Conf. Acoustics, Speech, and Signal Processing, Montreal, Canada, May

2004.

XII European Signal Processing Conf., Vienna, Austria, September 2004.

8th Int. Conf. Spoken Language Processing, Jeju, Korea, October 2004.


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2005 IEEE Int. Conf. Acoustics, Speech, and Signal Processing, Philadelphia, March

2005.

IEEE-EURASIP Workshop Nonlinear Signal and Image Processing, Sapporo,

Japan, May 2005.

IEEE Int. Conf. Multimedia & Expo, Amsterdam, The Netherlands, July 2005.

XIII European Signal Processing Conf., Antalya, Turkey, September 2005.

Int. Workshop Immersive Communication and Broadcast Systems, Berlin, October

2005.

2006 IEEE Int. Conf. Acoustics, Speech, and Signal Processing, Toulouse, France, May

2006.

2006 IEEE Int. Symp. Industrial Electronics, Montreal, Canada, July 2006.

IEEE Int. Conf. Multimedia & Expo, Toronto, Canada, July 2006

XIV European Signal Processing Conf., Florence, Italy, September 2006.

2006 Int. Workshop Multimedia Content Representation, Classification, and

Security, Istanbul, Turkey, September 2006.

2007 2007 4th Sound & Music Computing Conf., Lefkada, Greece, July 2007.

2007 IEEE Workshop Machine Learning for Signal Processing, Thessaloniki,

Greece, August 2007.

2007 IEEE Workshop Engineering Applications of Neural Networks, Thessaloniki,

Greece, August 2007.

XV European Signal Processing Conf. Poznan, Poland, September 2007.

2007 IEEE Workshop Multimedia Signal Processing, Chania, Greece, October

2007.

2008 COST 2101 Workshop Biometrics and Identity Management BioID'2008, Rosklide

University Denmark, May 2008.

LREC 2008 Workshops on Emotional Corpora and Multimodal Corpora,

Marrakech, Morocco, May 2008.

XVI European Signal Processing Conf., Lausanne, Switzerland, August 2008.

2008 Int. Symp. Music Information Retrieval, Philadelphia, U.S.A., September

2008.

2010 2010 IEEE Int. Conf. Audio, Speech, and Signal Processing, Dallas, Texas, U.S.A.,

March 2010.

2010 Int. Symp. Music Information Retrieval, Utrecht, The Netherlands, August

2010.

XVIII European Signal Processing Conf., Aalborg, Denmark, August 2010.

2011 2011 IEEE Int. Conf. Audio, Speech, and Signal Processing, Prague, Czech

Republic, May 2011.

2012 2012 IEEE Int. Conf. Audio, Speech, and Signal Processing, Kioto, Japan, March

2012.

XX European Signal Processing Conf., Bucharest, Romania, August 2012.

2012 IEEE Workshop Information Forensics and Security, Tenerife, December

2012.

2013 Int. Workshop Biometrics and Forensics, Lisbon, Portugal, April 2013.

2013 IEEE Int. Conf. Audio, Speech, and Signal Processing, Vancouver, Canada,

May 2013.


8th Int. Symposium Image and Signal Processing and Analysis, Trieste, Italy,

September 2013.


6/7/2020 30

2014 2nd Int. Workshop Biometrics and Forensics, Valletta, Malta, March 2014.

2014 IEEE Int. Conf. Audio, Speech, and Signal Processing, Florence, Italy, May

2014.

8th Hellenic Conf. Artificial Intelligence, Ioannina, May 2014.

2014 Int. Symposium Communications, Control, and Signal Processing, Athens,

May 2014.

10th Int. Conf. Heterogeneous Networking for Quality, Reliability, Security, and

Robustness (QSHINE 2014), Rhodes, August 2014.

19th Int. Conf. Digital Signal Processing, Hong Kong, August 2014.

XXII European Signal Processing Conf., Lisbon, Portugal, September 2014.

Int. Computer Music Conf. (40th ICMC) jointly with the Sound & Music

Computing Conf. (11th SMC, Athens Greece, September 2014.

16th Int. Workshop Multimedia Signal Processing, Jakarta, Indonesia, September

2014

2014 IEEE Int. Conf. Image Processing, Paris, France, October 2014.

2015 3rd Workshop Biometrics and Forensics, Gjovik, Norway, March 2015.

2015 IEEE Int. Conf. Audio, Speech, and Signal Processing, Brisbane, Australia,

April 2015.

8th Int. Symposium Image and Signal Processing and Analysis, Zagreb, Croatia,

September 2015.

2015 IEEE Int. Workshop Machine Learning for Signal Processing, Boston, MA,

September 2015.

2016 4th Int. Workshop Biometrics and Forensics, Limassol, Cyprus, March 3-4, 2016.

2016 IEEE Int. Conf. Audio, Speech, and Signal Processing, Shanghai, China,

March 20-25, 2016.

1st IEEE Digital Media Industry Academic Forum, Santorini, Greece, July 4-6,

2016.

XXIV European Signal Processing Conf., Budapest, Hungary, August 29-

September 2, 2016.

2017 XXV European Signal Processing Conf., Kos, Greece, August 29-September 1,

2017.

2017 Fifth IEEE Global Conf. Signal Information Processing, Montreal, Canada,

November 14-16, 2017.

2018 XXVI European Signal Processing Conf., Rome, Italy, September 3-7, 2018.

2018 Sixth IEEE Global Conf. Signal Information Processing, Anaheim, CA,

Canada, November 26-29, 2018.

2019 IEEE Int. Conf. Acoustics Speech, and Signal Processing, Brighton, U.K., May 12-

17, 2019.

XXVII European Signal Processing Conf. A Coruna, Spain, September 2-6, 2019.

IEEE Int. Conf. Image, Processing, Taipie, Taiwan, September 22-25, 2019.

IEEE Int. Workshop Machine Learning for Signal Processing, Pittsburg, PA,

October 13-16, 2019.

INVITED LECTURES (22)

1996

(2)

Final NAT Workshop, Trieste, Italy.

NEURON Workshop, Dept. of Electrical Engineering, University of Patras,

Greece, April 1996.

1997

(1)

Department of Informatics, University of Ioannina, Greece, March 1997.


6/7/2020 31

1999

(2)

International Workshop on Intelligent Communication Technologies and

Applications, Neuchâtel, Switzerland, May 1999.

Graduate Program on “Signal and Image Processing Systems: Theory,

Implementations, and Applications”, Dept. of Electrical Engineering, University of

Patras, June 1999.

2001

(4)

Graduate Seminar “Digital Media”, Artificial Intelligence & Information Analysis

Laboratory.

Workshop “Improving Human Potential”, Research Committee, Aristotle Univ. of

Thessaloniki, April 2001.

9th Summer School on Image Processing, Szeged, Hungary, July 2001.

Workshop Speech and Language Technology Day, TietoEnator Auditorium,

Espoo, 31 August 2001. Presentation of the Research Training Network on

“Multimodal Human-Computer Interaction”.

2002

(1)

10th Summer School on Image Processing, Budapest, Hungary, July 2002.

2005

(1)

Short course on “Speech Emotion Recognition”, VISNET meeting, Thessaloniki,

September 2005.

2006

(1)

Tutorial on “Speech Emotion Classification”, CONSO_FP7, Cluj-Napoca,

Romania, November 2006.

2008

(1)

Music Genre Classification with Multilinear Techniques, Dept. of Electrical &

Computer Engineering, University of Delaware, U.S.A., October 2008.

2009

(4)

Speech Segmentation, Dept. of Electrical & Computer Engineering, University of

Delaware, U.S.A., March 2009.

Speech/speaker segmentation based on the Bayesian Information Criterion, Int.

Computer Science Institute, Univ. of California, Berkeley, USA, May 2009.

Speech Emotion Recognition, SRI, San Francisco, USA, May 2009.

Music Genre Classification with Multilinear and Sparse Techniques, Signal

Processing Jam, EURASIP-IEEE SP, Athens, October 2009.

2010

(1)

Speech/Speaker Segmentation based on the Bayesian Information Criterion,

Informatics & Telematics Institute, Centre for Research & Technology Hellas,

Thessaloniki, May 12, 2010.

2012

(1)

Sparse and Low Rank Representations in Music Signal Analysis, 2nd Greek Signal

Processing Jam, EURASIP-IEEE SP, Thessaloniki, May 17, 2012.

2014

(2)

Are Image Processing and Language Modeling Disjoint Research Areas?

Workshop in the memory of Maria Petrou, Information Technologies Institute,

Centre for Research & Technology–Hellas, October 15, 2014.

2015

(1)

Multidimensional Scaling using Correntropy and Half-Quadratic Optimization,

Dept. of Electrical & Computer Engineering, University of Delaware, U.S.A.,

September 14, 2015.

CONFERENCE ORGANIZING COMMITTEE (12) 1995 IEEE Workshop Nonlinear Signal and Image Processing, Halkidiki, Greece, June

1995 (General Chair assistant).

1997 Workshop Theory and Applications of Neural Networks, Aristotle Univ. of

Thessaloniki, October 1997 (Organizer).

1998 ΙΧ European Signal Processing Conf. (Technical Program Chair assistant)

2001 IEEE Int. Conf. Image Processing, Thessaloniki, October 2001 (Finance Chair).

2002 2nd Hellenic Conf. Artificial Intelligence, Thessaloniki, April 2002 (Organizing

Committee).


6/7/2020 32

2003 RichMedia 2003, First Int. Workshop Interactive Rich Media Content Production,

Lausanne, Switzerland, October 2003 (Publications Chair).

2014 6th Int. Symposium Communications, Control, and Signal Processing, Athens May

21-23, 2014 (Track Chair Signal Processing).

2016 4th Int. Workshop Biometrics and Forensics (IWBF 2016), March 3-6, Limassol,

Cyprus (Program Co-Chair).

IEEE Digital Media Industry and Academic Forum, July 4-6, Santorini, Greece

(Special Sessions Chair).

2017 XXV European Signal Processing Conf. Kos, Greece (1 among the 4 Program

Committee Chairs).

5th IEEE Global Conf. Signal and Information Processing, Montreal, Canada

(Technical Program Chair).

2023 IEEE International Conference on Acoustics, Speech, and Signal Processing, Kos,

Greece (1 among the 4 Technical Program Chairs)

SPECIAL SESSION ORGANIZER 2016 DMIAF-2016, IEEE Digital Media Industry and Academic Forum, July 4-6,

Santorini, Greece (Research Contributions to Digital Media by Greek Academia).

2014 SETN-2014, 8th Hellenic Conf. Artificial Intelligence, May 15-17, Ioannina,

Greece (Multimodal Recommendation Systems: Applications to Tourism).

MEMBER OF SCIENTIFIC SOCIETIES 1988- Member, Institute of Electrical and Electronics Engineers (IEEE) (Student

1988-1993; Member 1994-2006; Senior Member 2006-).

1989- Member, Technical Chamber of Greece.

1998- Member, European Association for Signal Processing (EURASIP); Local

liaison officer for Greece

1999-2004 Member, International Society for Optical Engineering (SPIE)

2001-2006 Member, Association of Computing Machinery (ACM)

2002- Member, Hellenic Association of Artificial Intelligence.

2003- Elected President (2019-), Elected Vice-President (two terms), Greek

Association of Image Processing and Digital Media (GAIPDM) affiliated to

International Association for Pattern Recognition (IAPR).

2004-2005 International Speech Communication Association (ISCA)

RESEARCH AREAS OF INTEREST • Discrete-time speech, music, and audio processing

• Statistical Language Engineering / Language processing

• Multimedia information retrieval

• Nonlinear digital signal processing / Adaptive nonlinear filters

• Biometric authentication techniques / Human-centered computer interaction / Speech recognition

Multimedia signal processing

• Detection and estimation theory / Neural networks / Pattern recognition

• Digital image processing / Computer vision


6/7/2020 33

PUBLICATIONS2

Α. Ph.D. Dissertation

C. Kotropoulos, Design and Implementation of Nonlinear Filters for Digital Image Processing,

Aristotle University of Thessaloniki, Thessaloniki, Greece, 1994 (in Greek). Available at:

http://phdtheses.ekt.gr/eadd/handle/10442/2993

Β. Books

[1] C. Kotropoulos and I. Pitas (Eds.), Nonlinear Model-based Image/Video Processing and

Analysis. N.Y.: J. Wiley & Sons, 2001. Contribution of two chapters “Introduction to Nonlinear

Model-based Image/Video Processing and Analysis” (14 p.) and “Adaptive order statistic filtering

of still images and video sequences” (94 p.).

B. Contributed book chapters in edited books

[9] C. Kotropoulos, “Multimedia Social Search Based on Hypergraph Learning,” in I. Pitas (Ed.),

Graph Based Social Media Analysis, pp. 215-273, Boca Raton, FL: CRC Press, 2016.

[8] N. Bassiou and C. Kotropoulos, “Semantic Model Adaptation for Evolving Big Social Data,” in

I. Pitas (Ed.), Graph Based Social Media Analysis, pp. 341-390, Boca Raton, FL: CRC Press, 2016.

[7] C. Kotropoulos, “Histogram Equalization in Color Images,” in N. Myridis (Ed.), Technology

and Informatics Applied to the Cultural Domain- Applications to Byzantine Icons, pp. 65-103,

Thessaloniki: University of Macedonia Press, 2013.

[6] C. Kotropoulos and I. Pitas, “Visual Speech Processing and Recognition,” in A. Liew and S.

Wang (Eds.), Visual Speech Recognition: Lip Segmentation and Mapping, pp. 261-293, Hersey,

NY: IGI Publishing, 2009.

[5] E. Benetos, S Siatras, C. Kotropoulos, N. Nikolaidis, and I. Pitas, “Movie Analysis with

Emphasis to Dialogue and Action Scene Detection,” in P. Maragos, A. Potamianos and P. Gros

(Eds.), Multimodal Processing and Interaction: Audio, Video, Text. Series Multimedia Systems and

Applications, vol. 33, pp. 157-178, New York, NY: Springer, 2008.

[4] C. Kotropoulos and I. Pitas, “Self-Organizing Maps and Their Applications in Image

Processing, Information Organization, and Retrieval” in Nonlinear Signal and Image Processing (K.

E. Barner and G. R. Arce, Eds.), pp. 387-444, CRC Press, 2003.

[3] C. Kotropoulos, M. Pappas and I. Pitas, “Nonlinear Mean Filters and Their Applications in

Image Filtering and Edge Detection,” in Nonlinear Image Processing, pp. 133-165, (S. Mitra and G.

Sicuranza, Eds.), Academic Press, 2000.

[2] I. Pitas, C. Kotropoulos and A.N. Venetsanopoulos, “Knowledge-based Signal/Image

Processing for Geophysical Interpretation,” in Control and Dynamic Systems (C.T. Leondes, Ed.),

vol. 77, pp. 1-48, Academic Press, 1996.

[1] C. Kotropoulos and I. Pitas, “Adaptive Nonlinear Filters for Digital Signal/Image Processing,”

in Control and Dynamic Systems (C.T. Leondes, Ed.), vol. 67, pp. 263-318, Academic Press, 1994.

D. Refereed papers appearing in scientific journals

[56] F. Mandanas and C. Kotropoulos, “Subspace learning and feature selection via orthogonal

mapping,” IEEE Trans. Signal Processing, to appear 2020.

https://doi.org/10.1109/TSP.2020.2967714

Code: https://github.com/Fotios21/ELGE-and-JFSSL-m_files

[55] M. Ntemi and C. Kotropoulos, “A dynamic dyadic particle filter for price prediction,” Signal

Processing, to appear 2020. https://doi.org/10.1016/j.sigpro.2019.107334

2 In reverse chronological order

http://phdtheses.ekt.gr/eadd/handle/10442/2993

https://doi.org/10.1109/TSP.2020.2967714

https://github.com/Fotios21/ELGE-and-JFSSL-m_files

https://doi.org/10.1016/j.sigpro.2019.107334


6/7/2020 34

[54] F. Mandanas and C. Kotropoulos, "M-estimators for robust multidimensional scaling

employing norm regularization," Pattern Recognition, vol. 73, pp. 235-246, January 2018.

[53] E. Pantraki, C. Kotropoulos, and A. Lanitis, “Age interval and gender prediction using

PARAFAC2 and SVMs based on visual and aural features,” IET Biometrics, vol. 6, no. 4, pp. 290-

298, 2017.

[52] F. Mandanas and C. Kotropoulos, “Robust multidimensional scaling using a maximum

correntropy criterion,” IEEE Trans. Signal Processing, vol. 65, no. 4, pp. 919-932, April 2017.

[51] K. Pliakos and C. Kotropoulos,"Building an image annotation and tourism recommender

system," Int. J. Artificial Intelligence Tools 24(5), 2015. DOI: 10.1142/S0218213015400217

[50] Y. Panagakis, C. Kotropoulos, and G. R. Arce, “Music genre classification via joint sparse

low-rank representation of audio features,” ACM/IEEE Trans. Audio, Speech, and Language

Processing, vol. 22, no. 12, pp. 1905-1915, December 2014.

[49] N. Bassiou and C. Kotropoulos, “On-line PLSA: Batch updating techniques including out of

vocabulary words,” IEEE Trans. Neural Networks and Learning Systems, vol. 25, no. 11, pp. 1953-

1966, November 2014.

[48] C. Kotropoulos, “Source phone identification using sketches of features,’’ IET Biometrics, vol.

4, no. 2, pp. 75-83, June 2014.

[47] Y. Panagakis and C. Kotropoulos, “Elastic net subspace clustering applied to pop/ rock music

structure analysis,” Pattern Recognition Letters, vol. 38, no. 1, pp. 46-53, 2014.

[46] Y. Panagakis and C. Kotropoulos, “Telephone handset identification by collaborative

representations,” Int. Journal Digital Crime and Forensics, vol. 5, no. 4, 2013. doi:10.4018/

ijdcf.2013100101

[45] Y. Panagakis and C. Kotropoulos, “Music classification by low-rank semantic mappings,”

EURASIP Journal Audio, Speech, and Music Processing, 2013:13. doi:10.1186/1687-4722-2013-

13.

[44] N. Bassiou and C. Kotropoulos, “RPLSA: A novel updating scheme for probabilistic latent

semantic analysis,” Computer, Speech, and Language, vol. 25, no. 4, pp. 741-760, 2011.

[43] N. Bassiou and C. Kotropoulos, “Long distance bigram language models applied to word

clustering,” Pattern Recognition, vol. 44, no. 1, pp. 145-158, 2011.

[42] N. Bassiou, V. Moschou, and C. Kotropoulos, “Speaker diarization exploiting the eigengap

criterion and cluster ensembles,’’ IEEE Trans. Audio, Speech, and Language Processing, vol. 18,

no. 8, pp. 2134-2144, November 2010.

[41] E. Benetos and C. Kotropoulos, “Non-negative tensor factorization applied to music genre

classification,” IEEE Trans. Audio, Speech, and Language Processing, vol. 18, no. 8, pp. 1955-

1967, November 2010.

[40] Y. Panagakis, C. Kotropoulos, and G. R. Arce, “Non-negative multilinear principal

component analysis of auditory temporal modulations for music genre classification,” IEEE Trans.

Audio, Speech, and Language Processing, vol. 18, no. 3, pp. 576-588, March 2010.

[39] C. Kotropoulos and G. R. Arce, “Linear discriminant classifier with reject option for the

detection of vocal fold paralysis and vocal fold edema,” EURASIP Advances in Signal Processing,

vol. 2009, article ID 203790, 13 pages (DOI:10.1155/2009/203790), 2009.

[38] I. Buciu, C. Kotropoulos, and I. Pitas, “Comparison of ICA approaches for facial expression

recognition,” Signal, Image, and Video Processing, vol. 3, no. 4, pp. 345-361, December 2009.

(DOI: 10.1007/s11760-008-0074-3).

[37] D. Ververidis and C. Kotropoulos, “Information loss of the Mahalanobis distance in high

dimensions: Applications to feature selection,” IEEE Trans. Pattern Analysis and Machine

Intelligence, vol. 31, no. 12, pp. 2275-2281, December 2009.

[36] G. Almpanidis, M. Kotti, and C. Kotropoulos, “Robust detection of phone segments in

continuous speech using model selection criteria with few observations,” IEEE Trans. Audio,

Speech, and Language Processing, vol. 17, no. 2, pp. 287-298, February 2009.


6/7/2020 35

[35] D. Ververidis and C. Kotropoulos, “Fast and accurate sequential floating forward selection

with the Bayes classifier in speech emotion recognition,” Signal Processing, vol. 88, no. 12, pp.

2956-2970, December 2008.

[34] M. Kotti, D. Ververidis, G. Evangelopoulos, Y. Panagakis, C. Kotropoulos, P. Maragos, and

I. Pitas, “Audio-assisted movie dialogue detection,” IEEE Trans. Circuits and Systems for Video

Technology, vol. 18, no. 11, pp. 1618-1627, November 2008.

[33] M. Kotti, E. Benetos, and C. Kotropoulos, “Computationally efficient and robust BIC-based

speaker segmentation,” IEEE Trans. Audio, Speech, and Language Processing, vol. 16, no. 5, pp.

920-933, July 2008.

[32] D. Ververidis and C. Kotropoulos, “Gaussian mixture modeling by exploiting the

Mahalanobis distance,” IEEE Trans. Signal Processing, vol. 56, no. 7, part I, pp. 2797-2811, July

2008.

[31] M. Kotti, V. Moschou, and C. Kotropoulos, “Speaker segmentation and clustering,” Signal

Processing, vol. 88, no. 5, pp. 1091-1124, May 2008.

[30] G. Almpanidis and C. Kotropoulos, “Phonemic segmentation using the generalised Gamma

distribution and small-sample Bayesian information criterion,” Speech Communication, vol. 50, no.

1, pp. 38-55, January 2008.

[29] Z. Černeková, C. Kotropoulos, and I. Pitas, “Video shot boundary detection using singular

value decomposition,” Journal of Electronic Imaging, vol. 16, no. 4, pp. 043012-1 – 043012-13,

October-December 2007.

[28] M. Kotti, E. Benetos, C. Kotropoulos, and I. Pitas, “A neural network approach to audio-

assisted movie dialogue detection,” Neurocomputing, Special Issue Advances of Neural Networks

for Audio and Speech Processing, vol. 71, nos 1-3, pp. 157-166, December 2007.

[27] V. Moschou, D. Ververidis, and C. Kotropoulos, “Assessment of self organizing map variants

for clustering with application to redistribution of emotional speech patterns,” Neurocomputing,

Special Issue Advances of Neural Networks for Audio and Speech Processing, vol. 71, nos 1-3, pp.

147-156, December 2007.

[26] N. Bassiou and C. Kotropoulos, “Color histogram equalization by absolute discounting back-

off,” Computer Vision and Image Understanding, Special Issue on Color Image Processing, vol.

107, nos 1-2, pp. 108-122, July-August 2007.

[25] M. Kyperountas, C. Kotropoulos, and I. Pitas, “Enhanced eigen-audioframes for audiovisual

scene change detection,” IEEE Trans. Multimedia, vol. 9, no. 4, pp. 785-797, June 2007.

[24] G. Almpanidis, C. Kotropoulos, and I. Pitas, “Combining text and link analysis for focused

crawling- An application for vertical search engines,” Information Systems, vol. 32, pp. 886-908,

2007.

[23] D. Ververidis and C. Kotropoulos, “Emotional speech recognition: Resources, features, and

methods,” Speech Communication, vol. 48, no. 9, pp. 1162-1181, September 2006.

[22] I. Buciu, C. Kotropoulos, and I. Pitas, “Demonstrating the stability of support vector

machines for face detection”, Signal Processing, vol. 86, no. 9, pp. 2364-2380, September 2006.

[21] A. Xafopoulos, C. Kotropoulos, G. Almpanidis, and I. Pitas, “Language identification in web

documents using discrete HMMs,” Pattern Recognition, vol. 37, pp. 583-594, 2004.

[20] A. Georgakis, C. Kotropoulos, A. Xafopoulos, and I. Pitas, “Marginal median WEBSOM for

information organization and retrieval”, Neural Networks, vol. 17, no. 3, pp. 365-377, 2004.

[19] C. Kotropoulos and I. Pitas, “Segmentation of ultrasonic images using support vector

machines”, Pattern Recognition Letters, vol. 24, pp. 715-727, 2003. Editorial in this volume: pp.

633-635.

[18] M. Gordan, C. Kotropoulos, and I. Pitas, “A support vector machine-based dynamic network

for visual speech recognition applications”, Journal Applied Signal Processing, vol. 2002, no. 11,

pp. 1248-1259, November 2002.


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[17] A. Tefas, C. Kotropoulos, and I. Pitas, “Face verification using elastic graph matching based

on morphological signal decomposition,” Signal Processing, vol. 82, no. 6, pp. 833-851, June 2002.

[16] C. Kotropoulos, M. Pappas, and I. Pitas, “Sorting networks using Lp mean comparators for

signal processing applications,” IEEE Trans. Signal Processing, vol. 50, no. 11, pp. 2716-2729,

November 2002.

[15] A. Tefas, C. Kotropoulos, and I. Pitas, “Using Support Vector Machines to enhance the

performance of elastic graph matching for frontal face authentication,” IEEE Trans. Pattern

Analysis and Machine Intelligence, vol. 23, no. 7, pp. 735-746, July 2001.

[14] C. Kotropoulos, A. Tefas, and I. Pitas, “Morphological elastic graph matching applied to

frontal face authentication under well-controlled and real conditions,” Pattern Recognition, vol. 33,

no. 12, pp. 1935-1947, December 2000.

[13] C. Kotropoulos, A. Tefas, and I. Pitas, “Frontal face authentication using morphological elastic

graph matching,” IEEE Trans. Image Processing, vol. 9, no. 4, pp. 555-560, April 2000.

[12] C. Kotropoulos, A. Tefas, and I. Pitas, “Frontal face authentication using discriminating grids

with morphological feature vectors,” IEEE Trans. Multimedia, vol. 2, no. 1, pp. 14-26, March 2000.

[11] C. Kotropoulos and I. Pitas, “Adaptive multichannel marginal L-filters,” Optical Engineering,

vol. 38, no. 4, pp. 688-704, April 1999

[10] S. Tsekeridou, C. Kotropoulos, and I. Pitas, “Adaptive order statistic filters for the removal of

noise from corrupted images,” Optical Engineering, vol. 37, no. 10, pp. 2798-2816, October 1998.

[9] C. Kotropoulos, N. Nikolaidis, A.G. Bors, and I. Pitas, “Robust and adaptive techniques in self-

organizing neural networks,” Int. Journal Computer Mathematics, vol. 67, pp. 183-200, 1998.

[8] I. Pitas, C. Kotropoulos, N. Nikolaidis, R. Yang, and M. Gabbouj, “Order Statistics Learning

Vector Quantizer,” IEEE Trans. Image Processing, vol. 5, no. 6, pp. 1048-1053, June 1996.

[7] E. Kofidis, S. Theodoridis, C. Kotropoulos, and I. Pitas, “Nonlinear adaptive filters for speckle

suppression in ultrasonic images,” Signal Processing, vol. 52, no. 3, pp. 357-372, August 1996.

[6] C. Kotropoulos and I. Pitas, “Adaptive LMS L-filters for noise suppression in images,” IEEE

Trans. Image Processing, vol. 5, no. 12, pp. 1596-1609, December 1996.

[5] C. Kotropoulos and I. Pitas, “Multichannel L-filters based on marginal data ordering,” IEEE

Trans. Signal Processing, vol. 42, no. 10, pp. 2581-2595, October 1994.

[4] C. Kotropoulos, X. Magnisalis, I. Pitas, and M. G. Strintzis, “Nonlinear ultrasonic image

processing based on signal-adaptive filters and self-organizing neural networks,” IEEE Trans.

Image Processing, vol. 3, no. 1, pp. 65-77, January 1994.

[3] C. Kotropoulos and I. Pitas, “Optimum nonlinear signal detection and estimation in the presence

of ultrasonic speckle,” Ultrasonic Imaging, vol. 14, no. 3, pp. 249-275, July 1992.

[2] I. Pitas and C. Kotropoulos, “A texture-based approach to the segmentation of seismic images,”

Pattern Recognition, vol. 25, no. 9, pp. 929-945, 1992.

[1] C. Kotropoulos and I. Pitas, “Constrained LMS adaptive L-filters,” Signal Processing, vol. 26,

no. 3, pp. 335-358, March 1992.

Ε. Refereed papers in proceedings of international conferences

[194] N. Bartziokas, T. Mavropoulos, and C. Kotropoulos, “elNER: A dataset for Greek named

entity recognition”, in Proc.11th Hellenic Conf. Artificial Intelligence (SETN 2020), Athens,

September 2-4, 2020.

[193] A. -S. Toufa and C. Kotropoulos, “Digit recognition applied to reconstructed audio signals

using deep learning”, in Proc. 2020 Int. Conf. Pattern Recognition, Milan, Italy, January 10-15,

2021.

[192] G. Karantaidis and C. Kotropoulos, “Efficient Capon-based approach exploiting temporal

windowing for electric network frequency estimation”, in Proc. 2019 IEEE Int. Workshop Machine

Learning for Signal Processing, Pittsburg, PA, USA, October 13-16, 2019.


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[191] M. Ntemi, E. Gionanidis, and C. Kotropoulos, “A weighted ordered probit collaborative

Kalman filter for hotel rating prediction”, in Proc. 2019 IEEE Int. Workshop Machine Learning for

Signal Processing, Pittsburg, PA, USA, October 13-16, 2019.

[190] M. Ntemi and C. Kotropoulos, “A dyadic particle filter for price prediction”, in Proc. 27th

European Signal Processing Conf., pp. 2419-2423, A Coruna, Spain, September 2-6, 2019.

[189] I. Tsingalis and C. Kotropoulos, “A simple algorithm for non-negative sparse principal

component analysis,” in Proc. 2019 IEEE Int. Conf. Image Processing, pp. 2075-2079, Taipei,

Taiwan, September 22-25, 2019.

[188] G. Karantaidis, I. Sarridis, and C. Kotropoulos, “Block randomized optimization for adaptive

hypergraph learning,” in Proc. 2019 IEEE Int. Conf. Image Processing, pp. 864-868, Taipei,

Taiwan, September 22-25, 2019.

[187] E. Pantraki, C. Kotropoulos, and A. Lanitis, “Leveraging image-to-image translation

generative adversarial networks for face aging,’’ in Proc. 2019 IEEE Int. Conf. Acoustics, Speech,

and Signal Processing, pp. 8370-8374, Brighton, U.K., May 13-17, 2019.

[186] G. Karantaidis and C. Kotropoulos, "Assessing spectral estimation methods for electric

network frequency extraction," in Proc. 22nd Panhellenic Conf. on Informatics, pp. 202-207,

Athens, November 29-December 1, 2018.

[185] E. Pantraki and C. Kotropoulos, "Face aging as image-to-image translation using shared-

latent space generative adversarial networks," in Proc. IEEE Global Conf. Signal and Information

Processing, pp. 116-120, Anaheim, CA, November 26-29, 2018.

[184] M. Ntemi and C. Kotropoulos,"Prediction methods for time evolving dyadic processes," in

Proc. 26th European Signal Processing Conf., pp. 2606-2610, Rome, Italy, September 3-7, 2018.

[183] F. Mandanas and C. Kotropoulos, "Robust multidimensional scaling employing M-estimators

and nuclear norm regularization," in Proc. IEEE Global Conf. Signal and Information Processing,

pp. 116-120, Montreal, Canada, November 14-16, 2017.

[182] F. Mandanas and C. Kotropoulos, "Using marginal median and block least mean squares in

mobile adaptive networks," in Proc. IEEE Global Conf. Signal and Information Processing, pp.

211-215, Montreal, Canada, November 14-16, 2017.

[181] E. Pantraki and C. Kotropoulos, "Multi-way regression for age prediction exploiting speech

and face image information," in Proc. 25th European Signal Processing Conf., pp. 2260-2264, Kos,

August 29-September 1, 2017.

[180] E. Fotiadou, N. Bassiou, and C. Kotropoulos, "Greek folk music classification using auditory

cortical representations," in Proc. 24th European Signal Processing Conf. pp. 1133-1137, Budapest,

August 28-September 2, 2016.

[179] P. Medentzidou and C. Kotropoulos, "Restoration of missing data in Greek folk music by

interpolation techniques," in Proc. Digital Media Industry and Academic Forum, pp. 107-112,

Santorini, Greece, July 2-4, 2016.

[178] V. Gavriilidis, A. Tefas, C. Kotropoulos, and N. Nikolaidis, "Enhanced siilarities for music

recommender systems," in Proc. Digital Media Industry and Academic Forum, pp. 113-116,

Santorini, Greece, July 2-4, 2016.

[177] A. Chassapi, C. Kotropoulos, and K. Pliakos, "Adaptive algorithms for hypergraph learning,"

in Proc. 2016 IEEE Int. Conf. Acoustics, Speech, and Signal Processing, pp. 1179-1183, Shanghai,

China, March 20-25, 2016.

[176] E. Pantraki, C. Kotropoulos, and A. Lanitis, "Age and gender prediction using PARAFAC2

applied to speech utterances," in Proc. 4th Int. Workshop Biometrics and Forensics, Limassol,

Cyprus, March 3-4, 2016.

[175] R. Li, C. Kotropoulos, C. -T. Li, and Y. Guan, “Random Subspace Method For Source

Camera Identification,” in Proc. IEEE Int. Workshop Machine Learning for Signal Processing,

Boston, MA, September 17-20, 2015.


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[174] E. Pantraki and C. Kotropoulos, “Automatic image tagging and recommendation via

PARAFAC2,” in Proc. IEEE Int. Workshop Machine Learning for Signal Processing, Boston, MA,

September 17-20, 2015.

[173] P. Medentzidou and C. Kotropoulos, “Video summarization based on shot boundary detection

with penalized contrasts,” in Proc. 9th Int. Symposium Signal and Image Processing and Analysis,

pp. 201-205, Zagreb, Croatia, September 7-9, 2015.

[172] P. Barboutis, C. Kotropoulos, and K. Pliakos, “Image tag recommendation based on novel

tensor structures and their decompositions,” in Proc. 9th Int. Symposium Signal and Image

Processing and Analysis, pp. 9-14, Zagreb, Croatia, September 7-9, 2015.

[171] N. Bassiou, C. Kotropoulos, and A. Papazoglou-Chalikias, “Greek folk music classification

into two genres using lyrics and audio via canonical correlation,” in Proc. 9th Int. Symposium Signal

and Image Processing and Analysis, pp. 240-245, Zagreb, Croatia, September 7-9, 2015.

[170] M. Panagopoulos and C. Kotropoulos, “Image tagging using tensor decomposition,” in Proc.

6th Int. Conf. Information, Intelligence, Systems and Applications (IISA2015), Ionian University,

Corfu, Greece, July 6-8, 2015.

[169] K. Pliakos and C. Kotropoulos, “Weight estimation in hypergraph learning,” in Proc. 2015

IEEE Int. Conf. Acoustics, Speech, and Signal Processing, Brisbane, Australia, pp. 1161-1165,

April 19-24, 2015.

[168] F. Mandanas and C. Kotropoulos, “A maximum correntropy criterion for multidimensional

scaling,” in Proc. 2015 IEEE Int. Conf. Audio, Speech, and Signal Processing, Brisbane, Australia,

pp. 1906-1910, April 19-24, 2015.

[167] F. Mandanas and C. Kotropoulos, “Correntropy based robust multidimensional scaling

applied to faces,” in Proc. 3th Int. Workshop Biometrics and Forensics, Gjøvik, Norway, March 3-

4, 2015.

[166] K. Pliakos and C. Kotropoulos, “PLSA driven image annotation, classification, and tourism

recommendation,” in Proc. 2014 IEEE Int. Conf. Image Processing, Paris, France, pp. 3003-3007,

October 27-30, 2014.

[165] K. Pliakos and C. Kotropoulos, “Social image search exploiting joint visual-textual

information within a fuzzy hypergraph framework,” in Proc. IEEE 16th Int. Workshop Multimedia

Signal Processing, Jakarta, Indonesia, September 22-24, 2014

[164] N. Bassiou and C. Kotropoulos, “Musical audio denoising assuming symmetric α-stable

noise,” in Proc. 40th Int. Computer Music Conf. (ICMC) joint with the 11th Sound & Music

Computing Conf. (SMC), Athens, pp. 1404-1410, September 14-20, 2014.

[163] E. Giouvanakis and C. Kotropoulos, “Boosting the Weights of Positive Words in Image

Retrieval,” in Proc. 22rd European Signal Processing Conf., Lisbon, Portugal, September 1-5, 2014.

[162] C. Kotropoulos and S. Samaras, “Mobile phone brand and model identification using

recorded speech signals,” in Proc. 19th Int. Conf. Digital Signal Processing, Hong Kong, pp. 586-

591, August 20-23, 2014.

[161] E. Giouvanakis and C. Kotropoulos, “Saliency map driven image retrieval combining the bag-

of-words model and PLSA,” in Proc. 19th Int. Conf. Digital Signal Processing, pp. 280-285, Hong

Kong, August 20-23, 2014.

[160] N. Bassiou, C. Kotropoulos, and I. Pitas, “Greek folk music denoising under a symmetric α-

stable noise assumption,” in Proc. 10th Int. Conf. Heterogeneous Networking for Quality,

Reliability, Security, and Robustness (QSHINE 2014), Rhodes, August 18-20, 2014 (invited).

[159] K. Pliakos and C. Kotropoulos, “Personalized and geo-referenced image recommendation

using unified hypergraph learning and group sparsity optimization,” in Proc. 2014 Int. Symposium

Communications, Control, and Signal Processing, pp. 323-326,Athens, Greece, May 21-23,2014.

[158] K. Pliakos and C. Kotropoulos, “Personalized music tagging using ranking on hypergraphs,”

in Proc. 2014 Int. Symposium Communications, Control, and Signal Processing, pp. 681-684,

Athens, Greece, May 21-23,2014.


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[157] K. Pliakos and C. Kotropoulos, “Simultaneous image clustering, classification and annotation

for tourism recommendation,” in Proc. 8th Hellenic Conf. Artificial Intelligence, Ioannina, Greece,

pp. 630-640, May 15-17, 2014.

[156] K. Pliakos and C. Kotropoulos, “Simultaneous image tagging and geo-location prediction

within hypergraph ranking framework,” in 2014 IEEE Int. Conf. Acoustics, Speech, and Signal

Processing, pp. 6944-6948, Florence, Italy, May 4-8, 2014.

[155] C. Kotropoulos and K. Pitas, “Subspace clustering applied to face images,” in Proc. 2nd Int.

Workshop Biometrics and Forensics, Valletta, Malta, March 27-28, 2014.

[154] N. Bassiou, C. Kotropoulos, and E. Koliopoulou, “Symmetric α-stable sparse linear

regression for musical audio denoising,” in Proc. 8th Int. Symposium Image and Signal Processing,

and Analysis (ISPA 2013), pp. 375-380, Trieste, Italy, September 4-6, 2013.

[153] E. Giouvanakis, C. Kotropoulos, A. Theodoridis, and I. Pitas, “A game with a purpose for

annotating Greek folk music in a web content management system,” in Proc. 18th Int. Conf. Digital

Signal Processing, Santorini, Greece, July 1-3, 2013.

[152] A. Theodorids, C. Kotropoulos, and Y. Panagakis, “Music recommendation using

hypergraphs and group sparsity”, in Proc. 2013 IEEE Int. Conf. Acoustics, Speech, and Signal

Processing, Vancouver, Canada, May 26-31, pp. 56-60, 2013.

[151] C. Kotropoulos, “Telephone handset identification using sparse representations of spectral

feature sketches”, in Proc. 1st Int. Workshop Biometrics and Forensics, Lisbon, Portugal, April 4-5,

2013.

[150] Y. Panagakis and C. Kotropoulos, “Telephone handset identification by feature selection and

sparse representations”, in Proc. 2012 IEEE Int. Workshop Information Forensics and Security, pp.

73-78, Tenenerife, Spain, December 2012.

[149] Y. Panagakis and C. Kotropoulos, “Music structure analysis by ridge regression of beat-

sychronous audio features,” in Proc. 13th Int. Conf. Music Information Retrieval, pp. 271-276,

Porto, Portugal, October 2012.

[148] Y. Panagakis and C. Kotropoulos, “Automatic telephone handset identification by sparse

representation of random spectral features,” in Proc. 14th ACM Workshop on Multimedia Security,

Coventry, pp. 91-95, U.K., September 2012.

[147] Y. Panagakis and C. Kotropoulos, “Music structure analysis by subspace modeling,” in Proc.

20th European Signal Processing Conf., pp. 1459-1463, Bucharest, Romania August 2012.

[146] Y. Panagakis and C. Kotropoulos, “Automatic music tagging by low-rank representation,” in

Proc. 2012 IEEE Int. Conf. Audio, Speech, and Signal Processing, pp. 497-500, Kyoto, Japan,

March 2012.

[145] Y. Panagakis, C. Kotropoulos, and G. R. Arce, " 1 -graph based music structure analysis,” in

Proc. 12th Int. Conf. Music Information Retrieval, pp. 495-500, Miami, Florida, October 2011.

[144] Y. Panagakis and C. Kotropoulos, “Automatic music mood classification via low-rank

representation,” in Proc. 19th European Signal Processing Conf., pp. 689-693, Barcelona, Spain,

August 2011.

[143] Y. Panagakis and C. Kotropoulos, “Automatic music tagging with PARAFAC2,” in Proc.

2011 IEEE Int. Conf. Audio, Speech, and Signal Processing, pp. 481-484, Prague, Czech Republic,

May 2011.

[142] Y. Panagakis, C. Kotropoulos, and G. R. Arce, “Sparse multi-label linear embedding

nonnegative tensor factorization for automatic music tagging,” in Proc. 18th European Signal

Processing Conf., pp. 492-496, Aalborg, Denmark, August 2010.

[141] Y. Panagakis, C. Kotropoulos, and G. R. Arce, “Sparse multi-label linear embedding within

nonnegative tensor factorization applied to music tagging,” in Proc. 11th Int. Conf. Music

Information Retrieval, pp. 393-398, Utrecht, The Netherlands, August 2010.


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[140] N. Bassiou and C. Kotropoulos, “Word clustering using PLSA enhanced with long distance

bigrams,” in Proc. 2010 Int. Conf. Pattern Recognition, pp. 4226-4229, Istanbul, Turkey, August

2010.

[139] C. Kotropoulos, G. R. Arce, and Y. Panagakis, “Ensemble discriminant sparse projections

applied to music genre classification,” in Proc. 2010 Int. Conf. Pattern Recognition, pp. 823-825,

Istanbul, Turkey, August 2010.

[138] M. Kotti, F. Patterno, and C. Kotropoulos, “Speaker-independent negative emotion

recognition”, in Proc. 2010 IAPR Workshop Cognitive Information Processing, pp. 417-422, Elba

Island, Italy.

[137] Y. Panagakis and C. Kotropoulos, “Music genre classification via topology preserving non-

negative tensor factorization and sparse representations,” in Proc. 2010 IEEE Int. Conf. Acoustics,

Speech, and Signal Processing, pp. 249-252, Dallas, Texas, March 2010.

[136] Y. Panagakis, C. Kotropoulos, and G. R. Arce, ``Music genre classification using locality

preserving non-negative tensor factorization and sparse representations,’’ in Proc. 10th Int. Conf.

Music Information Retrieval, pp. 249-254, Kobe, Japan, October 2009.

[135] Y. Panagakis, C. Kotropoulos, and G. R. Arce, “Music genre classification via sparse

representations of auditory temporal modulations,” in Proc. 17th European Signal Processing Conf.,

pp. 1-5, Glasgow, Scotland, August 2009.

[134] M. Kotti and C. Kotropoulos, “Gender Classification in two emotional speech databases,”

in Proc. Int. Conf. Pattern Recognition, Tampa, FL, December 2008.

[133] Y. Panagakis, E. Benetos, and C. Kotropoulos, “Music genre classification: A multilinear

approach”, in Proc. 9th Int. Conf. Music Information Retrieval, pp. 583-588, Philadelphia, PA,

September 2008.

[132] E. Benetos and C. Kotropoulos, “A tensor-based approach for automatic music genre

classification,” in Proc. 16th European Signal Processing Conf., Lausanne, Switzerland, August

2008.

[131] D. Spachos, A. Zlantintsi, V. Moschou, P. Antonopoulos, E. Benetos, M. Kotti, K.

Tzimouli, C. Kotropoulos, N. Nikolaidis, P. Maragos, and I. Pitas, “MUSCLE movie-database: A

multimodal corpus with rich annotation for dialogue and Saliency Detection”, in Proc. LREC 2008

Workshop on Multimodal Corpora, Marrakech, Morocco, May 26-27 2008.

[130] D. Ververidis, I. Kotsia, C. Kotropoulos, and I. Pitas, “Multi-modal emotion-related data

collection within a virtual earthquake emulator, In Proc. LREC 2008 Workshop on Emotional

Corpora, Marrakech, Morocco, May 26-27, 2008.

[129] P. Moschonas and C. Kotropoulos, “Multimodal Speaker Identification based on Text and

Speech,” in Proc. COST 2101 Workshop Biometrics and Identity Management BioID'2008, vol.

LNCS 5372, pp. 100-106, Rosklide University Denmark, May 7-9, 2008.

[128] V. Moschou, M. Kotti, E. Benetos, and C. Kotropoulos, “Systematic comparison of BIC-

based speaker segmentation systems,” in Proc. 2007 IEEE Multimedia Signal Processing Conf., pp.

66-69, Chania, Greece, October 1-3, 2007.

[127] M. H. Sedaaghi, D. Ververidis, and C. Kotropoulos, “Using adaptive genetic algorithms to

improve speech emotion recognition,” in Proc. 2007 IEEE Multimedia Signal Processing Conf., pp.

461-464, Chania, Greece, October 1-3, 2007.

[126] G. Almpanidis and C. Kotropoulos, “Automatic phonemic segmentation using the

Bayesian information criterion with generalized Gamma priors,” in Proc. XV European Signal

Processing Conf., pp. 2055-2059, Poznan, Poland, September 2007.

[125] M. Sedaaghi, C. Kotropoulos, and D. Ververidis, “Improving speech emotion recognition

using adaptive genetic algorithms,” in Proc. XV European Signal Processing Conf., pp. 2209-2213,

Poznan, Poland, September 2007.


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[124] M. Kotti, E. Benetos, and C. Kotropoulos, “Neural network-based movie dialogue

detection,” in Proc. 2007 ΙΕΕΕ Engineering Applications of Neural Networks, pp. 380-386,

Thessaloniki, Greece, August 29-31, 2007.

[123] D. Ververidis and C. Kotropoulos, “Accurate estimate of the cross-validated prediction

error variance in Bayes classifiers”, in Proc. 2007 IEEE Machine Learning in Signal Processing, pp.

354-359, Thessaloniki, Greece, August 27-29, 2007.

[122] E. Benetos, M. Kotti, and C. Kotropoulos, “Large-scale musical instrument identification,”

in Proc. 4th Sound and Music Computing Conference, pp. 283-286, Lefkada, July 2007.

[121] M. Haindl, P. Somol, D. Ververidis, and C. Kotropoulos, “Feature selection based on

mutual correlation,’’ in Lecture Notes in Computer Science, Progress in Pattern Recognition, Image

Analysis, and Applications, vol. 4225, pp. 569-577, Cancun, Mexico, November 2006.

[120] M. Kotti, C. Kotropoulos, B. Ziolko, I. Pitas, and V. Moschou, “A framework for dialogue

detection in movies,’’ in Lecture Notes in Computer Science, Multimedia Content Representation,

Classification, and Security, vol. 4105, pp. 371-378, Istanbul, Turkey, September 11-13, 2006.

[119] V. Moschou, D. Ververidis, and C. Kotropoulos, “On the variants of the self-organizing

map that are based on order statistics,” in Lecture Notes in Computer Science, Artificial Neural

Networks – ICANN 2006, vol. 4131, pp. 425-434, Athens, Greece, September 11-13, 2006.

[118] N. Bassiou and C. Kotropoulos, “Color histogram equalization using probability

smoothing,’’ in Proc. XIV European Signal Processing Conf., Florence, Italy, September 5-8, 2006.

[117] E. Benetos, C. Kotropoulos, T. Lidy, and A. Rauber, “Testing supervised classifiers based on

non-negative matrix factorization to musical instrument classification,” in Proc. XIV European

Signal Processing Conf., Florence, Italy, September 5-8, 2006.

[116] D. Ververidis and C. Kotropoulos, “Fast sequential floating forward selection applied to

emotional speech features estimated on DES and SUSAS data collections, in Proc. XIV European

Signal Processing Conf., Florence, Italy, September 5-8, 2006.

[115] G. Almpanidis and C. Kotropoulos, “Phoneme segment boundary detection based on the

generalized Gamma distribution, in Proc. 2006 Int. Symp. Industrial Electronics, pp. 691-695

Montreal, Canada, July 2006.

[114] G. Almpanidis and C. Kotropoulos, “Voice activity detection with generalized Gamma

distribution,” in Proc. 2006 IEEE Int. Conf. Multimedia and Expo, pp. 961-964, Toronto, Canada,

July 2006.

[113] M. Kotti, L. G. P. M. Martins, E. Benetos, J. Cardoso, and C. Kotropoulos, “Automatic

speaker segmentation using multiple features and distance measures: A comparison of three

approaches,” in Proc. 2006 IEEE Int. Conf. Multimedia and Expo, pp. 1101-1104, Toronto,

Canada, July 2006.

[112] E. Benetos, M. Kotti, and C. Kotropoulos, “Applying supervised classifiers based on non-

negative matrix factorization to musical instrument classification,” in Proc. 2006 IEEE Int. Conf.

Multimedia and Expo, pp. 2105-2108, Toronto, Canada, July 2006.

[111] G. Almpanidis and C. Kotropoulos, “Voice activity detection using the generalized Gamma

distribution,” in Proc. 4th Panhellenic Artificial Intelligence Conf. (SETN-06), vol. LNAI 3955, pp.

3-12, Heraklion, Greece, May 19-20, 2006.

[110] E. Ziogas and C. Kotropoulos, “Detection of vocal fold paralysis and edema using linear

discriminant classifiers,” in Proc. 4th Panhellenic Artificial Intelligence Conf. (SETN-06), vol.

LNAI 3966, pp. 454-464, Heraklion, Greece, May 19-20, 2006.

[109] C. Kotropoulos and A. Papaioannou, “A novel-updating scheme for probabilistic latent

semantic indexing,” in Proc. 4th Panhellenic Artificial Intelligence Conf. (SETN-06), vol. LNAI

3966, pp. 137-147, Heraklion, Greece, May 19-20, 2006.

[108] C. Kotropoulos and V. Moschou, “Self-organizing maps for reducing the number of clusters

by one on simplex subspaces,” in Proc. 2006 IEEE Int. Conf. Acoustics, Speech, and Signal

Processing, vol. V, pp. 725-728, Toulouse, France, May 14-18, 2006.


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[107] E. Benetos, M. Kotti, and C. Kotropoulos, “Musical instrument classification using non-

negative matrix factorization and subset feature selection,” in Proc. 2006 IEEE Int. Conf. Acoustics,

Speech, and Signal Processing, vol. V., pp. 221-224, Toulouse, France, May 14-18, 2006.

[106] M. Kotti, E. Benetos, and C. Kotropoulos, “Automatic speaker change detection with

Bayesian Information Criterion using MPEG-7 features and a fusion scheme,” Proc. 2006 IEEE Int.

Symp. Circuits and Systems, Kos, Greece, May 21- 24, 2006.

[105] E. Benetos, M. Kotti, and C. Kotropoulos, “Musical instrument classification using non-

negative matrix factorization algorithms,” in Proc. 2006 IEEE Int. Symp. Circuits and Systems,

Kos, Greece, May 21- 24, 2006.

[104] M. Kotti, E. Benetos, C. Kotropoulos, and Luis Gustavo P. M. Martins, “Speaker Change

Detection Algorithms using Bayesian Information Criterion,” in Proc. 2nd Int. Symp.

Communications, Control, and Signal Processing (ISCCSP2006), Marrakech, Morocco, March 13-

15, 2006.

[103] E. Benetos, M. Kotti, and C. Kotropoulos, “Application of non-negative matrix factorization

to musical instrument classification,” in Proc. 2nd Int. Symp. Communications, Control, and Signal

Processing (ISCCSP2006), Marrakech, Morocco, March 13-15, 2006.

[102] E. Benetos, M. Kotti, C. Kotropoulos, J. J. Burred, G. Eisenberg, M. Haller, and T. Sikora,

“Comparison of subspace analysis-based and statistical model-based algorithms for musical

instrument classification,” in Proc. Workshop on Immersive Communication and Broadcast

Systems, Berlin, Germany, October 2005.

[101] G. Almpanidis, C. Kotropoulos, and I. Pitas, “Focused crawling using latent semantic

indexing- An application for vertical search engines,” in Proc. 2005 European Conf. Digital

Libraries (ECDL 2005), vol. LNCS 3652, pp. 402-413, Vienna, Austria, September 2005.

[100] G. Almpanidis and C. Kotropoulos, “Combining text and link analysis for focused crawling,”

in Proc. Int. Conf. Advances in Pattern Recognition (ICAPR 2005), vol. LNCS 3686, part I, pp.

278-287,Bath, U.K., August 2005.

[99] F. Albu, C. Kotropoulos, Z. Černeková, and I. Pitas, “New affine projection algorithms based

on Gauss-Seidel method,” in Proc. 2005 IEEE Int. Symp. Signals, Circuits, and Systems (ISSCS

2005), pp. 565-568, Iasi, Romania, July 2005.

[98] D. Ververidis and C. Kotropoulos, “Sequential Forward Feature selection with low

computational cost,” in Proc. XIII European Signal Processing Conf., pp. 1063-1066, Antalya,

Turkey, September 2005.

[97] D. Ververidis and C. Kotropoulos, “Emotional speech classification using Gaussian mixture

models and the sequential floating forward selection algorithm,” in Proc. 2005 IEEE Int. Conf.

Multimedia-Expo, Amsterdam, pp.1500-1503, The Netherlands, July 2005.

[96] N. Bassiou and C. Kotropoulos, “Interpolated Distanced Bigram Language Models for

Robust Word Clustering,” in CD-ROM Proc. 2005 IEEE-EURASIP Workshop Nonlinear Signal

and Image Processing, Sapporo, Japan 2005.

[95] P. Rotter, A. Skulimowski, C. Kotropoulos, and I. Pitas, “Fast shape matching with the

Haussdorff distance for pixel-represented objects,” in Proc. MIRAGE 2005, INRIA Rocquencourt,

France, March, 1-2 2005.

[94] Z. Černeková, C. Kotropoulos, N. Nikolaidis, and I. Pitas, “Video shot segmentation using

fusion of SVD and mutual information,” in Proc. 2005 IEEE Int. Symp. Circuits and Systems, pp.

3849-3852, Kobe, Japan, May 2005.

[93] F. Albu and C. Kotropoulos, “Coordinate descent iterations in pseudo affine projection

algorithm,” in Proc. 2005 IEEE Int. Symp. Circuits and Systems, pp. 2283-2286, Kobe, Japan, May

2005.

[92] D. Ververidis and C. Kotropoulos, “Emotional speech classification using Gaussian mixture

models,” in Proc. 2005 IEEE Int. Symp. Circuits and Systems, pp. 2871-2874, Kobe, Japan, May

2005.


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[91] F. Albu and C. Kotropoulos, “Modified Gauss-Seidel affine projection algorithm for acoustic

echo cancellation,” in Proc. 2005 IEEE Int. Conf. Acoustics, Speech, and Signal Processing,

Philadelphia, vol. III, pp. 121-124, March 2005.

[90] M. Marinaki, C. Kotropoulos, I. Pitas, and N. Maglaveras, “Automatic detection of vocal fold

paralysis and edema,” in Proc. 8th Int. Conf. Spoken Language Processing (INTERSPEECH 2004),

pp. 537-540, Jeju, Korea, October 2004.

[89] D. Ververidis and C. Kotropoulos, “Automatic speech classification to five emotional states

based on gender information, in Proc. XII European Signal Processing Conf., pp. 341-344, Vienna,

Austria, September 2004.

[88] C. Laftsidis, C. Kotropoulos, and I. Pitas, “MPEG-4 compliant reproduction of face animation

created in MAYA,” in Proc. 2004 IEEE Int. Conf. Multimedia and Expo (ICME ’04), pp. 125-128,

Taipei, Taiwan.

[87] R. Rispoli, C. Kotropoulos, and I. Pitas, “Searching relevant syllable context by clustering

for alignment in modern Greek speech,” in Proc. 2004 IEEE Int. Conf. Multimedia and Expo

(ICME ’04), pp. 1789-1792, Taipei, Taiwan.

[86] M. Kyperountas, Z. Černeková, C. Kotropoulos, M. Gavrielides, and I. Pitas, “Scene change

detection using audiovisual cues”, in Proc. Norwegian Conf. Image Processing and Pattern

Recognition (NOBIM 2004), Stavanger, Norway, May 2004.

[85] D. Ververidis, C. Kotropoulos, and I. Pitas, “Automatic emotional speech classification,” in

Proc. 2004 IEEE Int. Conf. Acoustics, Speech, and Signal Processing, vol. I, pp. 593-596, Montreal,

Canada, May 2004.

[84] M. Kyperountas, Z. Černeková, C. Kotropoulos, M. Gavrielides, and I. Pitas, “Audio PCA in a

novel multimedia scheme for scene change detection,” in Proc. 2004 IEEE Int. Conf. Acoustics,

Speech, and Signal Processing, vol. IV, pp. 353-356, Montreal, Canada, May 2004.

[83] A. Markoulidis, A. Tefas, C. Kotropoulos, and I. Pitas, “Turning a frontal face verification

technique to a system prototype,” in CD-ROM Proc. 2nd COST275 Workshop Biometrics on the

Internet, Vigo, Spain, 2004

[82] G. Kovacznai, C. Kotropoulos, and I. Pitas, “Partly specified priority patterns in natural

language parsing within dialog systems,” in Proc. 1st Int. Workshop RichMedia, pp. 161-168,

Lausanne, October 2003.

[81] C. Laftsidis, C. Kotropoulos, and I. Pitas, “MPEG-4 Compliant information extraction from an

animated face in Maya,” in Proc. 1st Int. Workshop RichMedia, pp. 131-137, Lausanne, October

2003.

[80] D. Ververidis and C. Kotropoulos, “A state-of-the art review on Emotional Speech Databases,”

in Proc. 1st Int. Workshop RichMedia, pp. 109-119, Lausanne, October 2003.

[79] G. Kovasznai, C. Kotropoulos, and I. Pitas, “CAML- A Universal Configuration Language for

Dialogue Systems,” in Proc. 2003 Database and Expert Systems Applications (DEXA), pp. 896-

906, Prague, The Czech Republic, September 2003.

[78] I. Buciu, C. Kotropoulos, and I. Pitas, “ICA and Gabor representation for facial expression

recognition,” in Proc. 2003 IEEE Int. Conf. Image Processing, vol.2, pp. 855-858, Barcelona, Spain,

September 2003.

[77] A. Georgakis, C. Kotropoulos, and I. Pitas, “A combination of R-estimates and Wilcoxon test

for document organization and retrieval,” in Proc. IEEE-EURASIP Workshop Nonlinear Signal and

Image Processing, Grado, Italy, May 2003.

[76] C. Kotropoulos, A. Fazekas, and I. Pitas, “Fast multiscale mathematical morphology for frontal

face authentication,” in Proc. IEEE-EURASIP Workshop Nonlinear Signal and Image Processing,

Grado, Italy, May 2003.

[75] Z. Černeková, C. Kotropoulos, and I. Pitas, “Video shot segmentation using singular value

decomposition,’’ in Proc. 4th European Workshop Image Analysis for Multimedia Interactive

Services (WIAMIS-2003), pp. 181-184, London, April 2003.


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[74] Z. Černeková, C. Kotropoulos, and I. Pitas, “Video shot segmentation using singular value

decomposition,” in Proc. 2003 IEEE Int. Conf. Acoustics, Speech, and Signal Processing, vol. 3, pp.

181-184, Hong-Kong, April 2003 (also in Proceedings IEEE Multimedia and Exp, pp.301-304,

Baltimore, MD, 2003).

[73] E. Loutas, C. Kotropoulos, N. Bassiou, and I. Pitas, “Frontal face detection algorithms based

on support vector machines and maximum likelihood,” in CD-ROM Proc. COST-275 Workshop:

The Advent of biometric over the Internet, pp. 61-64, Rome, November 2002.

[72] I. Buciu, C. Kotropoulos, and I. Pitas, “Face detection by using independent component

decomposition,” in Proc. Dynamic Perception 2002, pp. 247-252, IOS Press, 2002.

[71] A. Georgakis, C. Kotropoulos, and I. Pitas, “A SOM variant based on the Wilcoxon test for

document organization and retrieval,” in Lecture Notes in Computer Science: 2002 Int. Conf.

Artificial Neural Networks, vol. 2415, pp. 993-998, Berlin: Springer-Verlag, 2002.

[70] M. Gordan, C. Kotropoulos, and I. Pitas, “Visual speech recognition using support vector

machines,” in Proc. 14th Int. Conf. Digital Signal Processing, vol. 2, pp. 1093-1096, Santorini, July

2002.

[69] I. Buciu, C. Kotropoulos, and I. Pitas, “On the stability of support vector machines for face

detection,” in Proc. 2002 IEEE Int. Conf. Image Processing, vol. III, pp. 121-124, Rochester, N.Y.

2002.

[68] M. Gordan, C. Kotropoulos, and I. Pitas, “Application of support vector machines classifiers

to visual speech recognition,” in Proc. 2002 IEEE Int. Conf. Image Processing, vol. III, pp. 129-

132, Rochester, N.Y. 2002.

[67] M. Gordan, C. Kotropoulos, and I. Pitas, “A temporal network of support vector machine

classifiers for the recognition of visual speech,” in Lecture Notes in Artificial Intelligence,

Proceedings SETN-02, vol. 2308, pp. 355-365, Thessaloniki, April 2002.

[66] J.-L. Dugelay, J.-C. Junqua, C. Kotropoulos, R. Kuhn, F. Perronnin, and I. Pitas, “Recent

advances in biometric person authentication,” in Proc. 2002 IEEE Int. Conf. Acoustics, Speech,

and Signal Processing, vol. IV, pp. 4060-4063, Florida, 2002.

[65] C. Kotropoulos and I. Pitas, “Signal detection using support vector machines in the presence of

ultrasonic speckle”, in Proc. SPIE Int. Symp. Medical Imaging 2002, vol. SPIE 4687, pp. 304-315,

February 2002.

[64] I. Buciu, C. Kotropoulos, and I. Pitas, “Combining support vector machines for accurate face

detection,” in Proc. 2001 IEEE Int. Conf. Image Processing, pp. 1054-1057, Thessaloniki, Greece,

October 2001.

[63] N. Bassiou, C. Kotropoulos, T. Kosmidis, and I. Pitas, “Frontal face detection using support

vector machines and back-propagation neural networks,” in Proc. 2001 IEEE Int. Conf. Image

Processing, pp. 1026-1029, Thessaloniki, Greece, October 2001.

[62] S. Tsekeridou, C. Kotropoulos, A. Xafopoulos, and I. Pitas, “Comparative study of speaker

verification techniques based on vector quantization, sphericity models and dynamic time warping,”

in Proc. European Conf. Circuit Theory and Design, vol. II, pp. 13-16, Helsinki, Finland, August

2001.

[61] M. Gordan, C. Kotropoulos, and I. Pitas, “Pseudoautomatic lip contour detection based on

edge direction patterns,” in Proc. IEEE R8 – EURASIP Workshop on Image and Signal Processing

Applications, pp. 138-143, Pula, Croatia, June 2001.

[60] A. Fazekas, C. Kotropoulos, I. Buciu, and I. Pitas, “Support vector machines on the space of

Walsh functions and their properties,” in Proc. IEEE R8 – EURASIP Workshop Image and Signal

Processing Applications, pp. 43-48, Pula, Croatia, June 2001.

[59] A. Georgakis, C. Kotropoulos, A. Xafopoulos, and I. Pitas, “Document organization and

retrieval using self-organizing maps and statistical language modeling,” in Proc. Workshop Pattern

Recognition in Information Systems, pp. 149-160, Setubal, Portugal, July 2001.


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[58] N. Bassiou, C. Kotropoulos, and I. Pitas, “Hierarchical word clustering for relevance

judgements in information retrieval,” in Proc. Workshop on Pattern Recognition in Information

Systems, pp. 139-148, Setubal, Portugal, July 2001.

[57] A. Georgakis, C. Kotropoulos, A. Xafopoulos, and I. Pitas, “MM-WEBSOM: A variant of

WEBSOM based on order statistics,” in CD-ROM Proc. IEEE-EURASIP Workshop Nonlinear

Signal and Image Processing, Baltimore, U.S.A., June 2001.

[56] C. Kotropoulos and I. Pitas, “Eigenvalue distribution of the correlation matrix in Ll-filters,” in

CD-ROM Proc. IEEE-EURASIP Workshop Nonlinear Signal and Image Processing, Baltimore,

U.S.A., June 2001.

[55] C. Kotropoulos and I. Pitas, “Theoretical analysis of Lp mean comparators,” in CD-ROM

Proc. IEEE-EURASIP Workshop Nonlinear Signal and Image Processing, Baltimore, U.S.A., June

2001.

[54] C. Kotropoulos, N. Bassiou, T. Kosmidis, and I. Pitas, “Frontal face detection using support

vector machines and back-propagation neural networks,” in Proc. Scandinavian Conf. Image

Analysis, pp. 199-206, Bergen, Norway, June 2001.

[53] A. Georgakis, C. Kotropoulos, N. Bassiou, and I. Pitas, “Hypergeo: A data organization and

retrieval system for tourist information,” in Proc. 2001 IASTED Conf. Applied Informatics, pp.

719-724, Innsbruck, Austria, February 2001.

[52] J. Matas, M. Hamouz, K. Jonsson, J. Kittler, Y. Li, C. Kotropoulos, A. Tefas, I. Pitas, T. Tan,

H. Yan, F. Smeraldi, J. Bigun, N. Capdevielle, W. Gerstner, S. Ben-Yacoub, Y. Abdelaoued, E.

Mayoraz, “Comparison of face verification results on the XM2VTS database, in Proc. Int. Conf. on

Pattern Recognition (ICPR’ 00), vol. IV, pp. 858-863, Barcelona, Spain, 2000.

[51] A. Tefas, C. Kotropoulos, and I. Pitas, “Using support vector machines for face authentication

based on elastic graph matching,” in Proc. 2000 IEEE Int. Conf. Image Processing, vol. I, pp. 29-32,

Vancouver, Canada, September 2000.

[50] C. Kotropoulos and I. Pitas, “On the theoretical properties of Lp mean comparators,” in Proc.

X European Signal Processing Conference, pp. 2405-2408, Tampere, Finland, September 2000.

[49] A. Tefas, C. Kotropoulos, and I. Pitas, “Face authentication by using elastic graph matching

and support vector machines,” in Proc. 2000 IEEE Int. Conf. Acoustics, Speech, and Signal

Processing, vol. IV, pp. 2409-2412, Istanbul, Turkey, June 2000.

[48] A. Tefas, C. Kotropoulos, and I. Pitas, “Enhancing the performance of elastic graph matching

for face authentication by using Support Vector Machines,” in Proc. ACAI 99, Chania, Crete 1999.

[47] C. Kotropoulos and I. Pitas, “Intelligence in modern communication systems” (invited

tutorial), in Proc. Int. COST 254 Workshop Intelligent Communication Technologies and

Applications, with Emphasis on Mobile Communications, Neuchatel, pp. 1-12, May 1999.

[46] C. Kotropoulos, A. Tefas, I. Pitas, C. Fernandez, and F. Fernandez, “Performance assessment

of the morphological dynamic link architecture under optimal and real conditions,” in Proc. IEEE-

EURASIP Workshop Nonlinear Signal and Image Processing, pp. 355-359, Antalya, Turkey, June

1999.

[45] G. Richard, Y. Menguy, I. Guis, N. Suaudeau, J. Boudy, P. Lockwood, C. Fernandez, F.

Fernandez, C. Kotropoulos, A. Tefas, I. Pitas, R. Heimgartner, R. Ryser, C. Beumier, P. Verlinde,

S. Pigeon, G. Matas, J. Kittler, J. Bigun, Y. Abdeljaoued, E. Meurville, L. Besacier, M. Ansorge,

G. Maitre, J. Luettin, S. Ben-Yacoub, B. Ruiz, K. Aldama, J. Cortes, “Multi-modal verification for

teleservices and security Applications (M2VTS),” in Proc. IEEE Int. Conf. Multimedia Computing

and Systems, pp. 1061-1063, Florence, Italy, 7-11 June 1999.

[44] C. Kotropoulos, A. Tefas, and I. Pitas, “Morphological Elastic Graph Matching applied to

frontal face authentication under optimal and real conditions,” in Proc. IEEE Int. Conf. Multimedia

Computing Systems, pp. 934-938, Florence, Italy, June 1999.

[43] A. Tefas, Y. Menguy, C. Kotropoulos, G. Richard, I. Pitas, and P. Lockwood, “Compensating

for variable recording conditions in frontal face authentication algorithms,” in Proc. 1999 IEEE Int.


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Conf. Acoustics, Speech, and Signal Processing, Phoenix, Arizona, U.S.A., vol. 6, pp. 3561-3564,

March 1999.

[42] C. Kotropoulos, A. Tefas, and I. Pitas, “Frontal face authentication using variants of Dynamic

Link Matching based on mathematical morphology,” in Proc. 1998 IEEE Int. Conf. Image

Processing, Chicago, U.S.A., vol. I, pp. 122-126, October 1998.

[41] C. Kotropoulos and I. Pitas, “Linear projection algorithms and morphological dynamic link

architecture for frontal face authentication,” in Proc. IX European Signal Processing Conference,

Rhodes, Greece, pp. 299-302, September 1998.

[40] A. Tefas, C. Kotropoulos, and I. Pitas, “Variants of dynamic link architecture based on

mathematical morphology for frontal face authentication,” in Proc. 1998 IEEE Computer Society

Conference Computer Vision and Pattern Recognition, Santa Barbara, California, U.S.A., pp. 814-

819, June 1998.

[39] C. Kotropoulos, A. Tefas, and I. Pitas, “Face authentication using variants of elastic graph

matching based on mathematical morphology that incorporate local discriminant coefficients,” in

Proc. 1998 IEEE Int. Conf. Acoustics, Speech, and Signal Processing, Seattle, Washington, U.S.A.,

vol. 6, pp. 3729-3732, May 1998.

[38] C. Kotropoulos, S. Tsekeridou, M. Gabrani, and I. Pitas, “Adaptive LMS order statistic filters

with variable step-sizes,” in Proc. Int. Conf. Telecommunications, Halkidiki, Greece, pp. 465-469,

June 1998.

[37] A. Tefas, C. Kotropoulos, and I. Pitas, “Face verification based on morphological shape

decomposition,” in Proc. 3rd Int. Workshop Face and Gesture Recognition, Nara, Japan, pp. 36-41,

April 1998.

[36] S. Tsekeridou, C. Kotropoulos, and I. Pitas, “Morphological signal adaptive median filter for

still image and image sequence filtering,” in Proc. 1998 IEEE Int. Symp. Circuits and Systems, vol.

4, pp. 21-24, Monterey, California, U.S.A. May 1998.

[35] C. Kotropoulos and I. Pitas, “Face authentication based on morphological grid matching,” in

Proc. 1997 IEEE Int. Conf. Image Processing, Santa Barbara, California, U.S.A., vol. I, pp. 105-

108, October 1997.

[34] C. Kotropoulos, M. Gabrani, and I. Pitas, “Adaptive multichannel L-filters with structural

constraints,” in CD-ROM Proc. IEEE Workshop Nonlinear Signal and Image Processing, Michigan,

U.S.A., September 8-10, 1997.

[33] C. Kotropoulos and I. Pitas, “Face verification based on morphological dynamic link

architecture,” in CD-ROM Proc. IEEE Workshop Nonlinear Signal and Image Processing,

Michigan, U.S.A., September 8-10, 1997.

[32] A. Nikolaidis, C. Kotropoulos, and I. Pitas, “Facial feature extraction using adaptive Hough

transform, template matching and active contour models,” in Proc. 13th Int. Conf. Digital Signal

Processing, pp. 865-868, Santorini, Greece, July 1997.

[31] C. Kotropoulos, M. Gabrani, and I. Pitas, “Constrained adaptive multichannel L-filters,” in

Proc. 13th Int. Conf. Digital Signal Processing, pp. 279-283, Santorini, Greece, July 1997.

[30] C. Kotropoulos, A. Tefas, and I. Pitas, “Face authentication based on morphological shape

decomposition,” in Proc. IEE Conf. Image Processing and its Applications (IPA 97), pp. 794-798,

Dublin, Ireland, July 1997.

[29] E. Kofidis, S. Theodoridis, C. Kotropoulos, and I. Pitas, “Applications of Neural Networks

and Order Statistic Filters to Speckle Noise Reduction in Remote Sensing Imaging,” in

Neurocomputation in Remote Sensing Data Analysis: Proceedings of Concerted Actions

“COMPARES” (I. Kanellopoulos, G. G. Wilkinson, F. Roli, and J. Austin, Eds.), pp. 47-56,

Springer, 1997.

[28] I. Pitas, C. Kotropoulos, N. Nikolaidis, and A.G. Bors, “Robust and adaptive techniques in

self-organizing neural networks, in Nonlinear Analysis, Theory, Methods & Applications: Proc. of

the Second World Congress of Nonlinear Analysts, vol. 30, no. 7, pp. 4517-4528, 1997.


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[27] C. Kotropoulos and I. Pitas, “Rule-based face detection in frontal views,” in Proc. 1997 IEEE

Int. Conf. Acoustics, Speech, and Signal Processing, vol. IV, pp. 2537-2540, Munich, Germany

April 1997.

[26] C. Kotropoulos, I. Pitas, S. Fischer, and B. Duc, “Face authentication using morphological

dynamic link architecture,” in Lecture Notes on Computer Science: Proceedings of the First

Conference on Audio- and Video- based Biometric Person Authentication (J. Bigun, G. Chollet and

G. Borgefors, Eds.), vol. 1206, pp. 169-176, Crans-Montana, Switzerland, March 1997.

[25] S. Tsekeridou, C. Kotropoulos, and I. Pitas, “Morphological signal adaptive median filter for

noise removal,” in Proc. Third ΙΕΕΕ Int. Conf. Electronics, Circuits and Systems (ICECS '96), pp.

191-194, Rodos, Greece, October 1996.

[24] C. Kotropoulos, I. Pitas, and M. Gabrani, “Multichannel adaptive L-filters in color image

filtering,” in Proc. 1996 IEEE Int. Conf. Image Processing, pp. 989-992, Lausanne, Switzerland,

September 1996.

[23] M. Gabrani, C. Kotropoulos, and I. Pitas, “Cellular adaptive LMS L-filters for noise

suppression in still images and image sequences,” in Proc. 1994 IEEE Int. Conf. Image Processing,

pp. I-358-I-361, Austin, Texas, U.S.A., November 1994.

[22] C. Kotropoulos and I. Pitas, “Adaptive LMS L-filters for smoothing noisy images,” in Proc.

Int. Conf. Pattern Recognition (ICPR' 94), pp. 181-183, Jerusalem, Israel, October 1994.

[21] R. Yang, M. Gabbouj, I. Pitas, and C. Kotropoulos, “A class of robust learning vector

quantizers,” in Signal Processing VII: Theories and Applications, pp. 564-567, 1994.

[20] C. Kotropoulos, I. Pitas, and M. Gabbouj, “Marginal median Learning Vector Quantizer,” in

Signal Processing VII: Theories and Applications, pp. 1496-1499, 1994.

[19] I. Pitas, C. Kotropoulos, N. Nikolaidis, R. Yang, and M. Gabbouj, “A class of order statistics

Learning Vector Quantizers,” in Proc. IEEE Int. Symp Circuits and Systems (ISCAS 94), pp. 387-

390, London, U.K., May 1994.

[18] C. Kotropoulos and I. Pitas, “Multichannel L-filter design based on marginal data ordering,” in

Proc. 1994 IEEE Int. Conf. Acoustics, Speech, and Signal Processing, pp. III-93-III-96, Adelaide,

Australia, April 1994.

[17] E. Kofidis, S. Theodoridis, C. Kotropoulos, and I. Pitas, “Segmentation-based L-filtering of

speckle-noise in ultrasonic images,” in Proc. SPIE Symposium Electronic Imaging Science and

Technology: Nonlinear Image Processing V (E. R. Dougherty, J. Astola and H. G. Longbotham,

Chairs), vol. 2180, pp. 280-288, California, U.S.A., February 1994.

[16] C. Kotropoulos and I. Pitas, “Split-merge Learning Vector Quantizer algorithm,” in Proc.

European Conf. Circuit Theory and Design (ECCTD '93), pp. 465-468, Davos, Switzerland, 1993.

[15] C. Kotropoulos, X. Magnisalis, I. Pitas, and M.G. Strintzis, “Signal-adaptive maximum

likelihood filtering of ultrasonic speckle,” in Proc. European Conf. Circuit Theory and Design

(ECCTD '93), pp. 1635-1638, Davos, Switzerland, 1993.

[14] C. Kotropoulos and I. Pitas, “A variant of Learning Vector Quantizer based on split-merge

statistical tests,” in Lecture Notes in Computer Science: Computer Analysis of Images and Patterns

(D. Chetverikov and W.G. Kropatsch, eds.), pp. 822-829, Springer Verlang, 1993.

[13] C. Kotropoulos, I. Pitas, X. Magnisalis, and M.G. Strintzis, “A variant of Learning Vector

Quantizer based on the L2 mean for segmentation of ultrasonic images,” in Proc. 1993 IEEE Int.

Symp. Circuits and Systems, pp. 679-682, Chicago, U.S.A., 1993.

[12] C. Kotropoulos, I. Pitas, and A. Maglara, “Voronoi Tessellation and Delauney Triangulation

using Euclidean Disk Growing in Z2,” in Proc. 1993 IEEE Int. Conf. Acoustics, Speech, and Signal

Processing, vol. V, pp. 29-32, Minneapolis, U.S.A., April 1993.

[11] C. Kotropoulos and I. Pitas, “Error-analysis or recursive algorithms for computing the

correlation matrix of the order statistics,” in Proc. IEEE Winter Workshop Nonlinear Digital Signal

Processing, pp. 6.2-1.1-6.2-1.6, Tampere, Finland, 1993.


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[10] C. Kotropoulos and I. Pitas, “Multichannel L-filters based on M-ordering,” in Proc. IEEE

Winter Workshop Nonlinear Digital Signal Processing, pp. 1.2-3.1-1.2-3.6, Tampere, Finland,

1993.

[9] M.G. Strintzis, X. Magnisalis, C. Kotropoulos, I. Pitas, and N. Maglaveras, “Maximum

likelihood signal-adaptive filtering of speckle in ultrasound B-mode images,” in Proc. IEEE

Engineering in Medicine and Biology Society Conf. (EMBS '92), pp. 1870-1871, Paris, France,

November 1992.

[8] C. Kotropoulos, E. Auge, and I. Pitas, “Two layer Learning Vector Quantizer for color image

quantization,” in Signal Processing VI: Theories and Applications, pp. 1177-1180, Elsevier, 1992.

[7] I. Pitas, A. Maglara, and C. Kotropoulos, “Morphological Voronoi tessellation and Delauney

triangulation,” in Proc. Computer Analysis of Images and Patterns Conf. (CAIP '91), pp. 184-189,

Dresden, Germany, 1991.

[6] C. Kotropoulos and I. Pitas, “Nonlinear filtering of speckle noise in ultrasonic images,” in

Proc. Computer Analysis of Images and Patterns Conf. (CAIP '91), pp. 118-123, Dresden,

Germany, 1991.

[5] X. Magnisalis, C. Kotropoulos, I. Pitas, and M.G. Strintzis, “Use of fractal dimension in signal-

adaptive filters for speckle reduction in ultrasound B-mode images,” in Proc. Tenth Int. Congress

for Medical Informatics (MIE '91), pp. 550-554, Vienna, Austria, 1991.

[4] C. Kotropoulos and I. Pitas, “Design of the constrained LMS adaptive L-filters,” in Proc. IEEE

Mediterranean Electrotechnical Conf. (MELECON '91), pp. 379-382, Ljubliana, Slovenia, May

1991.

[3] C. Kotropoulos and I. Pitas, “Constrained LMS adaptive L-filters,” in Proc. 1991 IEEE Int.

Conf. Acoustics, Speech and Signal Processing, pp. 1665-1668, Toronto, Canada, 1991.

[2] C. Kotropoulos and I. Pitas, “Texture description rules for geophysical image segmentation,” in

Signal Processing V: Theories and Applications, pp. 597-600, Elsevier, 1990.

[1] Ι. Pitas and C. Kotropoulos, “Texture analysis and segmentation of seismic images,” in. Proc.

1989 IEEE Int. Conf. Acoustics, Speech, and Signal Processing, pp. 1337-1340, Glasgow, U.K.,

1989.

F. Refereed papers in proceedings of national conferences

[11] R. Rispoli, C. Kotropoulos, and I. Pitas, “Towards a New Architecture for Computerized

Greek Speech Phonetic Alignment,” Proc. 24th Annual Workshop Linguistics, Aristotle Univ. of

Thessaloniki, Greece, 2004 (abstract).

[10] D. Ververidis and C. Kotropoulos, “A Review of Emotional Speech Databases,” in Proc. 9th

Panhellenic Informatics Conf., pp. 560-574, Thessaloniki, November 2003.

[9] G. Kovasznai, C. Kotropoulos, and I. Pitas, “A novel universal language for configurating

dialogue systems,” in Proc. 9th Panhellenic Informatics Conf., pp. 36-45, Thessaloniki, November

2003.

[8] M. Gordan, C. Kotropoulos, A. Georgakis, and I. Pitas, “A new fuzzy C-means based

segmentation strategy. Applications to lip region identification,” in Proc. A&QT-R 2002

(THETA13) 2002 IEEE TTTC Int. Conf. Automation, Quality, and Testing, Robotics, Cluj-Napoca,

Romania, May 23-25, 2002.

[7] A. Fazekas, I. Buciu, C. Kotropoulos, and I. Pitas, “Support vector machines for face

detection,” in Proc. Hungarian Conf. Pattern Recognition, pp. 279-291, January 2002.

[6] A. Xafopoulos, C. Kotropoulos, G. Albanidis, and I. Pitas, “Language identification of web

documents using discrete HMMs,” in Proc. 2nd Hellenic Conf. Artificial Intelligence (Companion

Volume), pp. 269-280, Thessaloniki, April 2002.

[5] M. Gordan, C. Kotropoulos, and I. Pitas, “Application of directional statistics to gradient-based

lip-contour extraction for speechreading,” in Proc. 8th Panhellenic Informatics Conf., vol. 2, pp.

223-232, Nicosia, Cyprus, November 2001.


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[4] A. Fazekas, C. Kotropoulos, I. Buciu, and I. Pitas, “Face detection by Support Vector

Machines in the Walsh transform domain,” in Proc. 8th Panhellenic Informatics Conf., vol. 2, pp.

156-164, Nicosia, Cyprus, November 2001.

[3] C. Kotropoulos, P. Mavrommatides, and I. Pitas, “Phones and phonemes in Modern Greek

Language,” in Proc. 21st Annual Workshop Linguistics, Aristotle Univ. of Thessaloniki, Greece,

pp. 315-326, Thessaloniki, 2001 (in Greek).

[2] A. Georgakis, C. Kotropoulos, and I. Pitas, “Organization and retrieval of touristic information

with statistical language engineering techniques,” in Proc. 21st Annual Workshop Linguistics,

Aristotle Univ. of Thessaloniki, Greece, pp. 110-120, Thessaloniki, 2001 (in Greek).

[1] C. Kotropoulos, I. Pitas, and P. Tyraskis, “Segmentation of seismic images,” in Proc. 1st

Hellenic Conf. Geophysics, pp. 112-122, Athens, 1989 (in Greek).

G. Technical Reports

[4] N. Nikolaidis, C. Kotropoulos, and I. Pitas, «Copyright protection in digital media” (in Greek),

Journal of the Research Committee of the Aristotle Univ. of Thessaloniki, no.1, pp. 46-51,

December 2000. Reprinted also in “Computer for All” magazine, pp. 188-191, December 2000.

[3] I. Pitas, C. Kotropoulos, A. Nikolaidis and S. Tsekeridou, “Algorithms for face localization,

facial feature extraction and tracking,” contributed paper No. 2880 to standardisation body MPEG-4

(Subgroup Systems), MPEG 4-meeting, Fribourg, October 27-31, 1997.

[2] I. Pitas and C. Kotropoulos, “ESPRIT BRA III PROJECT NAT 7130 NATter,” Number 5,

March 1996.

[1] I. Pitas, C. Kotropoulos, N. Nikolaidis and A.G. Bors, “Robust and Adaptive Training

Algorithms in Self-Organizing Neural Networks,” SPIE Newsletter on Electronic Imaging, vol. 5,

no. 2, March 1997.