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http://dx.doi.org/10.3745/KTSDE.2013.2.11.789

Object Feature Extraction and Matching for Effective Multiple Vehicles Tracking  

Cho, Du-Hyung (한국외국어대학교 산업경영공학과)
Lee, Seok-Lyong (한국외국어대학교 산업경영공학부)
Publication Information
KIPS Transactions on Software and Data Engineering / v.2, no.11, 2013 , pp. 789-794 More about this Journal
Abstract
A vehicle tracking system makes it possible to induce the vehicle movement path for avoiding traffic congestion and to prevent traffic accidents in advance by recognizing traffic flow, monitoring vehicles, and detecting road accidents. To track the vehicles effectively, those which appear in a sequence of video frames need to identified by extracting the features of each object in the frames. Next, the identical vehicles over the continuous frames need to be recognized through the matching among the objects' feature values. In this paper, we identify objects by binarizing the difference image between a target and a referential image, and the labelling technique. As feature values, we use the center coordinate of the minimum bounding rectangle(MBR) of the identified object and the averages of 1D FFT(fast Fourier transform) coefficients with respect to the horizontal and vertical direction of the MBR. A vehicle is tracked in such a way that the pair of objects that have the highest similarity among objects in two continuous images are regarded as an identical object. The experimental result shows that the proposed method outperforms the existing methods that use geometrical features in tracking accuracy.
Keywords
Object Matching; Vehicle Tracking; Object Feature Extraction; Image Processing;
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