发明名称 |
Verfahren und Gerät zum richtungsselektiven Zählen von sich bewegenden Objekten |
摘要 |
A scheme for directional counting of moving objects capable of counting moving objects stably while determining passing directions of the moving objects accurately. In this scheme, a counting line is set in an image field of the sequential images, and a dynamic image formed by pixels forming the counting line is obtained for each frame and while a succesively updated background image is obtained. Then, a subtraction and binarization processing are applied to the dynamic image and the background image to extract a moving object region, and a moving object image is formed by sequentially labeling the moving object region in time order. Then, a number of moving objects passing through a monitoring target location is counted according to the moving object image, while upper and lower direction judgement regions are set above and below the counting line and a passing direction of each moving object is determined by judging one of the upper and lower direction judgement regions in which the moving object is present at a time of a formation start/end time of the moving object image. |
申请公布号 |
DE69523698(D1) |
申请公布日期 |
2001.12.13 |
申请号 |
DE1995623698 |
申请日期 |
1995.08.31 |
申请人 |
NIPPON TELEGRAPH AND TELEPHONE CORP., TOKIO/TOKYO |
发明人 |
SATO, ATSUSHI;TSUCHIKAWA, MEGUMU;TOMONO, AKIRA;ISHII, KENICHIRO |
分类号 |
G06K9/00;G06T7/20;G07C9/00 |
主分类号 |
G06K9/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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