Imaging system for a vehicle which compares a reference image which includes a mark which is fixed to said vehicle to subsequent images

  • US 5,850,254 A
  • Filed: 06/01/1995
  • Issued: 12/15/1998
  • Est. Priority Date: 07/05/1994
  • Status: Expired due to Fees
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First Claim
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1. An environment recognition device for use in a vehicle, said device comprising:

  • an image pickup device, mounted within an interior of said vehicle, for recognizing an environment confronted by said vehicle by signal processing of image pickup data;

    a storage unit for storing a reference frame including an image of an initial location of a reference mark fixed to said vehicle and lying within a field of view of said image pickup device; and

    a comparator for comparing the reference frame including the image of the initial location of said reference mark with at least one subsequent image of said image pickup device to check for deviation in aiming of said image pickup device.

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