Lane image processing system for vehicle

  • US 5,790,403 A
  • Filed: 07/11/1995
  • Issued: 08/04/1998
  • Est. Priority Date: 07/12/1994
  • Status: Expired due to Term
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First Claim
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1. A system for processing lane images for a vehicle, including:

  • an image sensor mounted on the vehicle for viewing a roadway scene ahead of the vehicle to output image data of the roadway scene including a lane on which the vehicle travels;

    image data processing means for processing the image data to output lane information; and

    lane recognition means for recognizing the lane on which the vehicle travels based on the output lane information;

    wherein the improvement comprises;

    obstacle position determining means for determining a position of an obstacle present in the roadway scene;

    nearest obstacle selecting means for selecting the position of a nearest obstacle when a plurality of obstacles are present;

    lane boundary position storing means for storing a lane boundary position estimated up to a preceding image data processing as historical information;

    processing region determining means for determining a region of the data image to be processed at least based on the detected position of the nearest obstacle and the historical information such that the region excludes the detected position of the nearest obstacle.

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