Patent ID: 9090264
Filing Date: 2015-07-28
Classification: B60T,B60W

Abstract:
1. A method for determining a wet road surface condition for a vehicle driving on a road, the method comprising the steps of: capturing an image exterior of the vehicle by an image capture device at a first instance of time; detecting, by a processor, a potential object on a ground surface of the road of travel in the image captured at the first instance of time; identifying, by the processor, a feature point on the potential object on the ground surface of the road of travel of the image captured at the first instance of time; capturing an image exterior of the vehicle by the image capture device at a second instance of time; detecting, by the processor, the potential object on the ground surface of the road of travel captured at the second instance of time; identifying, by the processor, the feature point on the potential object of the image captured at the second instance of time; determining whether the ground surface includes a mirror effect reflective surface based on a triangulation technique utilizing the feature points in the captured images at the first instance of time and the second instance of time; and generating a wet driving surface indicating signal in response to the determination that the ground surface includes a mirror effect reflective surface.