METHOD AND CAMERA ASSEMBLY FOR DETECTING RAINDROPS ON A WINDSCREEN OF A VEHICLE
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United States of America Patent
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Issued Date -
Jan 15, 2015
app pub date -
Sep 7, 2011
filing date -
Sep 7, 2011
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Abstract
The invention relates to a method for detecting raindrops (26) on a windscreen of a vehicle, in which at least one image (30, 32, 34) is captured by a camera. An object extracted from the at least one image (30, 32, 34) captured by the camera is identified as a raindrop (26), if a confidence value assigned (S20) to the extracted object is above a predetermined threshold value. The threshold value is modified (S22) in dependence of the presence of an item (16) within the vehicle path. Moreover the invention relates to a camera assembly for detecting raindrops (26) on a windscreen of a vehicle.
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