METHOD AND CAMERA ASSEMBLY FOR DETECTING RAINDROPS ON A WINDSCREEN OF A VEHICLE
First Claim
1. A method for detecting raindrops on a windscreen of a vehicle, in which an image of at least an area of the windscreen is captured by a camera, wherein at least one object is extracted from the captured image, and wherein ambient light conditions are determined, wherein at least one of at least two ways of object extraction is performed in dependence on the ambient light conditions.
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Abstract
The invention concerns a method for detecting raindrops on a windscreen of a vehicle, in which an image of at least an area of the windscreen is captured, wherein at least one object its extracted from the captured image, and wherein ambient light conditions are determined (S12). At least one of at least two ways of object extraction (S14, S18) is performed in dependence on the ambient light conditions. Moreover, the invention concerns a camera assembly for detecting raindrops on a windscreen of a vehicle.
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Citations
9 Claims
- 1. A method for detecting raindrops on a windscreen of a vehicle, in which an image of at least an area of the windscreen is captured by a camera, wherein at least one object is extracted from the captured image, and wherein ambient light conditions are determined, wherein at least one of at least two ways of object extraction is performed in dependence on the ambient light conditions.
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9. A camera assembly for detecting raindrops on a windscreen of a vehicle, comprising;
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a camera for capturing an image of at least an area of the windscreen, processing means configured to extract at least one object from the captured image, and means for determining ambient light conditions, wherein the processing means are configured to perform at least one of at least two ways of object extraction in dependence on the ambient light conditions.
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Specification