Multi-scale space vehicle component identification (MP-P4)

Author(s) : William Wai Leung Lam (The University of Hong Kong, Hong Kong) Clement Chun Cheong Pang (The University of Hong Kong, Hong Kong) Nelson Hon Ching Yung (The University of Hong Kong, Hong Kong)

Abstract : Vision based vehicle recognition systems have an important role in traffic surveillance. Most of these systems however fail to distinguish vehicles with similar dimensions due to the lack of other details. This paper presents a new scale space method for identifying components of moving vehicles to enable recognition eventually. In the proposed method, vehicles are first divided into multi-scale regions based on the center of gravity of the foreground vehicle mask. It utilizes both the texture scale space and the intensity scale space to determine regions that are homogenous in texture and intensity, from which vehicle components are identified based on the relations between these regions. This method was tested on over a hundred outdoor traffic images and the results are very promising.

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