Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Wende Zhang0
Jinsong Wang0
Qi Zhang0
Qingrong Zhao0
Bakhtiar B. Litkouhi0
Date of Patent
July 3, 2018
Patent Application Number
14957968
Date Filed
December 3, 2015
Patent Citations Received
Patent Primary Examiner
Patent abstract
A method for determining a snow covered surface condition of a path of travel. A beam of light is emitted at a surface of the path of travel by a light emitting source. An image of a path of travel surface is captured by an image capture device. The image capture device is mounted on the vehicle and captures an image in a downward direction. The captured image captures the beam of light emitted on the path of travel surface. Analyzing a subsurface scattering of the light generated on the path of travel surface by a processor. A determination is made whether snow is present on the path of travel. A snow covered path of travel surface signal is generated in response to the identification of snow on the path of travel.
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