recod at mediaeval 2014: violent scenes detection task
TRANSCRIPT
REC OD @ MediaEval 2014:Violent Scenes Detection Task
Sandra Avila, Daniel Moreira, Mauricio Perez, Daniel Moraes, Isabela Cota, Vanessa Testoni,
Eduardo Valle, Siome Goldenstein, Anderson Rocha
Avila et al., 2014 - RECOD Team
TeamProfessor Postdoc Professor Professor Researcher
A. Rocha E. Valle S. Goldenstein S. Avila V. Testoni
Ph.D. M.Sc. Undergraduate Programmer
D. Moreira M. Perez D. Moraes I. Cota
Framework
Avila et al., 2014 - RECOD Team
Framework
Visual Features
Audio Features
Bag of words
Dictionary
Bag of words-based
Dictionary
Fusion
Classification
Prediction
Text features
Avila et al., 2014 - RECOD Team
Framework
Visual Features
Audio Features
Bag of words-based
Bag of words
There are some technical aspects which we cannot describe given we
are patenting the developed approach.
Avila et al., 2014 - RECOD Team
Framework
Visual Features
Audio Features
Bag of words
Dictionary
Bag of words-based
Dictionary
Fusion
Classification
Prediction
Text features
Results
MA
P20
14 (%
)
30
6037.6 37.3 37.1
31.5 24.9
Main Task
0
MA
P20
14 (%
)
30
6037.6 37.3 37.1
31.5 24.9
Main Task
Audio0
MA
P20
14 (%
)
30
6037.6 37.3 37.1
31.5 24.9
Main Task
Fusion0
What did we do wrong?
DVD MPEG
DVD MPEGMP4
M4v
DVD MPEGMP4
M4vMPEG-2AC3
H.264MP3
H.264ACC
DVD MPEGMP4
M4vMPEG-2AC3
H.264MP3
H.264ACC
Test
Training
MA
P20
14 (%
)
30
6037.6 37.1
31.5
Main Task
Audio0
37.324.9
MA
P20
14 (%
)
30
60
31.5
Main Task
Audio(unofficial)
0
49.3
MA
P20
14 (%
)
30
6061.8 61.5 60.4
54.5 51.5
Generalization Task
0
MA
P20
14 (%
)
30
6061.8 61.5 60.4
54.5 51.5
Generalization Task
Audio VisualFusion
0
Thank you!