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Computer Vision Research @ UNR George Bebis Computer Vision Laboratory (CVL) Department of Computer Science and Engineering University of Nevada, Reno, USA 1

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3 Main Research Areas Segmentation 3D object recognition 3D reconstruction Human action/activity recognition Applications Biometrics Segmentation Tracking

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Page 1: Computer Vision UNR George Bebis Computer Vision Laboratory (CVL) Department of Computer Science and Engineering University of Nevada, Reno,

Computer Vision Research @

UNRGeorge Bebis

Computer Vision Laboratory (CVL)Department of Computer Science and Engineering

University of Nevada, Reno, USA

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Page 2: Computer Vision UNR George Bebis Computer Vision Laboratory (CVL) Department of Computer Science and Engineering University of Nevada, Reno,

Computer Vision Laboratory (CVL)

• Founded in 1998 to conduct basic and applied research in computer vision.

• Members- 2 faculty- 6 PhD students- 4 MS students- Several undergraduates- 2 visiting faculty

Funding: $6M

Funding

Collaborators

LLNL

Page 3: Computer Vision UNR George Bebis Computer Vision Laboratory (CVL) Department of Computer Science and Engineering University of Nevada, Reno,

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Main Research Areas

Segmentation

3D object recognition

3D reconstruction

Human action/activity recognition

Applications

Biometrics Segmentation Tracking

Page 4: Computer Vision UNR George Bebis Computer Vision Laboratory (CVL) Department of Computer Science and Engineering University of Nevada, Reno,

Computer Vision – Sample Projects

Face RecognitionBetter handle changes due to lighting, facial expressions, and eye-glasses, by fusing visible with thermal infrared imagery.

Gender ClassificationUse Genetic Algorithms to select gender-specific features.

Face detection in the near-IRUse near-IR for face detection.

Page 5: Computer Vision UNR George Bebis Computer Vision Laboratory (CVL) Department of Computer Science and Engineering University of Nevada, Reno,

Computer Vision – Sample Projects

Hand-based AuthenticationPerson authentication using hand geometry based on high order Zernike Moments.

Extended for gender classification

Traditional System

Peg-less System

Patent awarded in Feb 2014

Page 6: Computer Vision UNR George Bebis Computer Vision Laboratory (CVL) Department of Computer Science and Engineering University of Nevada, Reno,

Computer Vision – Sample ProjectsFingerprint Recognition

Small overlapping areaMinutiae

Missing/spurious minutiaePoint matching

Page 7: Computer Vision UNR George Bebis Computer Vision Laboratory (CVL) Department of Computer Science and Engineering University of Nevada, Reno,

Computer Vision – Sample ProjectsFingerprint Mosaicking

Better deal with small overlapping area and missing/spurious minutiae.

mSet1

mSet2

mSeti

mSetn

Super template

Page 8: Computer Vision UNR George Bebis Computer Vision Laboratory (CVL) Department of Computer Science and Engineering University of Nevada, Reno,

Computer Vision – Sample Projects

Rover LocalizationEstimation of rover 3D position and orientation using visual information and Digital Elevation Maps (DEMs).

Crater DetectionDetect craters using visual information.

Smart Monitoring of Complex Public ScenesAutomatic understanding of video content for detecting activities of interest (e.g., potential threats).

Context-Based Intent UnderstandingAutomatic behavior modeling for effective detection of intentions.

Where Am I?

Page 9: Computer Vision UNR George Bebis Computer Vision Laboratory (CVL) Department of Computer Science and Engineering University of Nevada, Reno,

Computer Vision – Sample Projects

Intelligent VehiclesVehicle detection for driver assistance.

Image Forgery DetectionDetermine the authenticity of an image.

Object Detection and Tracking Detect and track humans and other

objects of interest.

Blood Vessel SegmentationSegment blood vessels in retinal images.

Page 10: Computer Vision UNR George Bebis Computer Vision Laboratory (CVL) Department of Computer Science and Engineering University of Nevada, Reno,

Detect Natural Shapes in Cluttered Backgrounds

Input:orientedsegments

Page 11: Computer Vision UNR George Bebis Computer Vision Laboratory (CVL) Department of Computer Science and Engineering University of Nevada, Reno,

Iterative Multi-Scale Tensor Voting (IMS-TV)

Page 12: Computer Vision UNR George Bebis Computer Vision Laboratory (CVL) Department of Computer Science and Engineering University of Nevada, Reno,

For more info …

• Visit

http://www.cse.unr.edu/CVL

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