Patent 10083361 was granted and assigned to Joyson Safety Systems on September, 2018 by the United States Patent and Trademark Office.
A structured light pattern is projected onto the path of a vehicle so as to generate a plurality of light spots, and an image thereof is captured from the vehicle. A world-space elevation of at least a portion of the light spots is responsive to a pitch angle of the vehicle determined responsive to image-space locations of down-range-separated light spots.