Vehicular driver assist system

  • US 10,685,243 B2
  • Filed: 08/20/2018
  • Issued: 06/16/2020
  • Est. Priority Date: 03/08/2016
  • Status: Active Grant
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First Claim
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1. A driver assistance system for a vehicle, said driver assistance system comprising:

  • a camera disposed at a vehicle and having a field of view forward of the vehicle;

    a control comprising an image processor that is operable to process image data captured by said camera;

    wherein, responsive to processing by said image processor of image data captured by said camera, said control determines lane markings demarcating a traffic lane in which the vehicle is traveling;

    wherein, responsive to processing by said image processor of image data captured by said camera and responsive to a location input from a global positioning system to said control, said control estimates a path of travel for the vehicle to maintain the vehicle in the traffic lane in which the vehicle is traveling in situations where the lane markings demarcating the traffic lane in which the vehicle is traveling are not readily determinable;

    wherein said control estimates the path of travel for the vehicle at least responsive to vehicle information, and wherein the vehicle information comprises at least one selected from the group consisting of (i) vehicle speed, (ii) vehicle differential wheel speeds and (iii) vehicle yaw rate;

    wherein said driver assistance system updates the estimated path of travel ahead of the vehicle even when no lane markings are determined present on the road ahead of the vehicle;

    wherein said control adjusts processing by said image processor of image data captured by said camera responsive at least in part to a driving situation that the vehicle is in; and

    wherein the driving situation comprises at least one driving situation selected from the group consisting of (i) the vehicle cresting a hill, (ii) the vehicle crossing an intersection, (iii) the vehicle passing an entrance ramp and (iv) the vehicle passing an exit ramp.

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