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DCT based segmentation applied to a scalable zenithal people counter

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3 Author(s)
Bescos, J. ; E.T.S. Ing. Telecomunicacion, Univ. Politecnica de Madrid, Spain ; Menendez, J.M. ; Garcia, N.

This paper faces the problem of detecting the number of customers crossing an uncontrolled access to a big store, from the information retrieved by a zenithal camera. The solution operates in real time and is scalable in two ways: allows the coverage of wide accesses (spatial scalability), and works with a level of detail enough to allow detection of carried objects (functional scalability). In order to cope with the main problems of these systems - shadows, sudden changes in global lighting, and sporadic camera motion due to vibration -, a novel DCT based segmentation is presented.

Published in:

Image Processing, 2003. ICIP 2003. Proceedings. 2003 International Conference on  (Volume:3 )

Date of Conference:

14-17 Sept. 2003

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