Vehicle class recognition using multiple video cameras

Authors:
Dongjin Han;Jae Hwang;Hern-soo Hahn;David B. Cooper
Affiliations:
Soongsil University, Seoul, Kor;The George Washington University, DC;Soongsil University, Seoul, Kor;Brown University, RI
Venue:
ACCV'10 Proceedings of the 2010 international conference on Computer vision - Volume Part I
Year:
2010

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Abstract

We present an approach to 3D vehicle class recognition (which of SUV, mini-van, sedan, pickup truck) with one or more fixed video-cameras in arbitrary positions with respect to a road. The vehicle motion is assumed to be straight. We propose an efficient method of Structure from Motion (SfM) for camera calibration and 3D reconstruction. 3D geometry such as vehicle and cabin length, width, height, and functions of these are computed and become features for use in a classifier. Classification is done by a minimum probability of error recognizer. Finally, when additional video clips taken elsewhere are available, we design classifiers based on two or more video clips, and this results in significant classification-error reduction.