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Vehicle-type identification through automated virtual loop assignment and block-based direction-biased motion estimation

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2 Author(s)
Lai, A.H.S. ; Lab. for Intelligent Transportation Syst. Res., Hong Kong Univ., China ; Yung, N.H.C.

This paper presents a method of automated virtual loop assignment and direction-based motion estimation. The unique features of our approach are that: 1) a number of loops are automatically assigned to each lane. The merit of doing this is that it accommodates pan-tilt-zoom actions without needing further human interaction; 2) the size of the virtual loops is much smaller for estimation accuracy; and 3) the number of virtual loops per lane is large. The motion content of each block may be weighted and the collective result offers a more reliable and robust approach in motion estimation. Comparing this with traditional inductive loop detectors, there are a number of advantages. Our simulation results indicate that the proposed method is effective in type classification

Published in:

Intelligent Transportation Systems, IEEE Transactions on  (Volume:1 ,  Issue: 2 )