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Image processing apparatus, image processing method, navigation apparatus, program storage device and computer data signal embodied in carrier wave

  • US 6,753,902 B1
  • Filed: 07/25/2000
  • Issued: 06/22/2004
  • Est. Priority Date: 07/26/1999
  • Status: Expired due to Fees
First Claim
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1. An image processing apparatus comprising:

  • an image taking device for taking an image in a forward direction of a movable body and outputting an image signal corresponding to the taken image;

    a movement vector detecting device for detecting a movement vector for each area of the image taken by said image taking device, on the basis of the image signal while said movable body is moving; and

    a distance calculating device for setting a standard line at a predetermined image position crossing a road edge with respect to the image taken by said image taking device, and calculating the distance to the road edge on the basis of a distribution of the movement vector on the standard line.

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