发明名称 |
Apparatus and method for controlling a moving vehicle utilizing a digital differential analysis circuit |
摘要 |
This invention relates to a picture processing device in which picture data of a road or lines marking off a lane taken by a television camera installed on a vehicle is processed for the recognition of the contour of the road or the lane. Picture data is analog/digital converted, then edited and is subjected to the binary processing to be supplied to a digital differential analysis computing circuit. The digital differential analysis circuit comprises circuits serially connected each of which computes a rotary motion recurrence formula every rotation by a rotation angle. The recurrence formula is computed in the pipe-line system. In this computation the Hough transform is performed to give sine curves in a rho - theta coordinate system. The points of intersection of these sine curves (Hough curves) are given, and those of them having more occurrences are selected in the rho - theta coordinate system. Resultantly, the contour of the shoulder lines and the center line of the road, or the contour of the lane are given.
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申请公布号 |
US5379353(A) |
申请公布日期 |
1995.01.03 |
申请号 |
US19930125350 |
申请日期 |
1993.09.22 |
申请人 |
HONDA GIKEN KOGYO KABUSHIKI KAISHA |
发明人 |
HASEGAWA, HIROSHI;YSHUSHI, OKADA |
分类号 |
G05D1/02;G06K9/46;(IPC1-7):G06K9/20;G06K9/36 |
主分类号 |
G05D1/02 |
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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