Road monitoring method for a vehicle and a system thereof
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United States of America Patent
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Jan 11, 2005
Grant Date -
Mar 6, 2003
app pub date -
Dec 28, 2001
filing date -
May 25, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
In order to measure an actual distance from a vehicle to a target, the target is detected from a picture signal generated by a camera mounted on a vehicle, a horizontally estimated distance of the target is calculated, variables including a vertical angle of the target on a circumference and a curvature radius of the circumference are calculated, and then the actual distance is calculated based on the vertical angle and the curvature radius.
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