Ranging device utilizing image processing
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United States of America Patent
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Jun 1, 2010
Grant Date -
Dec 20, 2007
app pub date -
Aug 16, 2007
filing date -
Sep 25, 2001
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status (Latency Note)
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Abstract
An image size changing section obtains a size changed image by changing the size of one of two original images captured by a pair of cameras. If an edge of an object has many oblique components, the edge is difficult to detect as a vertical edge but, when the image is horizontally reduced, an oblique edge becomes close to a vertical edge. For this reason, feature end points are extracted with reliability by a feature extracting section and, thereby, an object is recognized and the distance to the object is determined reliably.
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