NDLI: Positioning sensors, video tool for counting pedestrian

Content Provider	IEEE Xplore Digital Library
Author	Taleb-Ahmed, A. Ducrocq, N. Tilmanp, G.
Copyright Year	1999
Description	Author affiliation: Univ. du Littoral Cote d'Opale, Calais, France (Taleb-Ahmed, A.)
Abstract	This paper describes a method to detect, count and calculate the speed and the direction of pedestrians in urban areas or buildings using a video system. This system is called OVICOP/sup (c)/ (Outil Video pour le Comptage de Personnes). It processes a picture from a CCD camera using image processing. This camera is set vertically to the spot where the counting has to be achieved. The layout of the camera represents a critical step, the best results have been achieved in a constantly lit environment, with low luminescence variations and the camera axis set as near to vertical as possible. However, our system is robust. It is only slightly sensitive to external light variations. An algorithm has been developed which achieves a low computational time. Heavy calculations such as speed detection, direction and counting are only performed at regular intervals or when something moves in the shot (e.g. a pedestrian). The system allows one to ascertain the direction and the speed of pedestrians with only one matrix camera. Furthermore, it is much cheaper than the other counting methods based on video.
Starting Page	612
Ending Page	617
File Size	555283
Page Count	6
File Format	PDF
ISBN	0780357310
ISSN	1062922X
DOI	10.1109/ICSMC.1999.812474
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1999-10-12
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Cameras Urban areas Robustness Gunshot detection systems Charge coupled devices Charge-coupled image sensors Image processing Luminescence Information security Costs
Content Type	Text
Resource Type	Article

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