Vehicle discrimination apparatus, method, and computer readable medium storing program thereof
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United States of America Patent
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Apr 30, 2013
Grant Date -
Mar 5, 2009
app pub date -
Nov 6, 2008
filing date -
May 26, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
The pixels located at equal intervals in a shot image are converted into intensity components and applied with a differential filter. The number of the obtained variations that have values larger than or equal to a certain value among the obtained variations is counted. Then discrimination of a vehicle shot in the target image is executed on the basis of the counted value. The counted value varies depending on a size of a shot object in a shot image. The counted value is large when an occupied area of the object is large, and the counted value is small when the occupied area of the object is small. By so doing, it is advantageously possible to properly discriminate a vehicle.
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