发明名称 |
Optical vehicle detection system |
摘要 |
An optical vehicle detection system comprising camera means for catching the image of a vehicle running in a selected roadway lane to generate an output video signal, inquiring means for inquiring if the output video signal includes a predetermined shadow signal component, and processing means associated with the inquiring means, if the output video signal includes the predetermined shadow signal component, for processing the output video signal as a signal having a component of shadow cast by a vehicle.
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申请公布号 |
US4433325(A) |
申请公布日期 |
1984.02.21 |
申请号 |
US19810306775 |
申请日期 |
1981.09.29 |
申请人 |
OMRON TATEISI ELECTRONICS, CO. |
发明人 |
TANAKA, RYOHEI;KITAMURA, AKINOBU;ODAKE, TAKAAKI;KATO, YUTAKA |
分类号 |
G08G1/04;(IPC1-7):G08G1/00 |
主分类号 |
G08G1/04 |
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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