Paper:
    
    
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	 Counting Passers-by Using a Color Camera
    Kenji Terada*, Takumi Ando* and Jun'ichiro Yamaguchi**
 *Faculty of Engineering, the University of Tokushima, 2-1 Minamijosanjima-cho, Tokushima-shi, 770-8506, Japan 
**Engineering and Service Devision, SOLO KEIBI HOSHO Co., Ltd. 2-14 Ishijima, Koto-ku, Tokyo 135-0014, Japan
    
    
Received:September 28, 1998Accepted:March 23, 1999Published:April 20, 1999    
	
    
    
Keywords:computer vision, color image processing, image sensing, security, space-time image	
	Abstract	
    We propose that passers-by be accurately counted using continuously acquired images from a color camera. This generates space-time images from image data on slanted measurement among images where a shadow component is removed via color information. Passers-by are counted by counting groups of people distributed in space-time images, and the direction of movement is detected from the form of groups. Counting is actually done with a color camera on a gate.		
	
	
    
    Cite this article as:K.  Terada, T.  Ando, and J.  Yamaguchi, “Counting Passers-by Using a Color Camera,” J. Robot. Mechatron., Vol.11 No.2, pp. 123-128, 1999.Data files:
		 
		
		
Copyright© 1999 by Fuji Technology Press Ltd. and Japan Society of Mechanical Engineers. All right reserved.