Driving environment surveillance apparatus
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United States of America Patent
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Dec 12, 1995
Grant Date -
N/A
app pub date -
Dec 15, 1993
filing date -
Dec 22, 1992
priority date (Note) -
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Abstract
A driving environment surveillance apparatus is provided to specify a region where an obstacle is present depending upon an azimuth detected by an obstacle detecting unit so as to derive a two-dimensional image corresponding to the specified region from an image detecting unit, and to extract the obstacle from the two-dimensional image so as to calculate a size index of the obstacle, thereby detecting a relative distance or the azimuth to the obstacle from a vehicle with high accuracy and at a high speed.
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