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Object recognition system

  • US 6,963,657 B1
  • Filed: 08/17/2000
  • Issued: 11/08/2005
  • Est. Priority Date: 09/24/1999
  • Status: Expired due to Fees
First Claim
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1. An object recognition system mounted on a vehicle, comprising:

  • one or more sensors for capturing an image of a road surface;

    measuring means for dividing the image into a plurality of windows and measuring distance to the road surface for each of the plurality of the windows;

    means for storing, for each of the plurality of the windows, estimated distance to the road surface;

    means for comparing, for each of the plurality of the windows, the measured distance with the estimated distance to determine if the measured distance belongs to the road surface;

    inclination estimation means for estimating a relative inclination of the road surface against the vehicle based on the measured distances that are determined to be of the road surface; and

    means for modifying the estimated distances based on the inclination estimated by said inclination estimation means.

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