Quinn IP Law
Vision-based wet road surface condition detection using tire side splash
A method for determining a wet surface condition of a road. An image of a road surface is captured by an image capture device of the host vehicle. The image capture device is mounted on a side of the host vehicle and captures an image in a downward direction. Identifying in the captured image, by a processor, a region of interest. The region of interest is in a region sideways to a face of the wheel. The region of interest is representative of where sideways splash as generated by the wheel occurs. A determination is made whether water is present in the region of interest. A wet road surface signal is generated in response to the identification of water in the region of interest.
GM Global Technology Operations LLC
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Qingrong Qi Bakhtiar B. Jinsong
Zhao Zhang Litkouhi Wang