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Image data processor

  • US 4,254,400 A
  • Filed: 11/28/1979
  • Issued: 03/03/1981
  • Est. Priority Date: 12/13/1978
  • Status: Expired due to Term
First Claim
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1. An image data processor comprising:

  • first means (1 and

         2) for converting an image including an object to be recognized into spacially quantitized picture element signals;

    second means (3) for extracting plural pairs of the picture element signals, which are in spacially preset relative position relationships, from the output of the first-named means while sequentially shifting the picture element positions to be extracted;

    third means (4) connected with the second-named means for counting the number of occurences of preset amplitude relationships between the plural pairs of the input signals when the output signals from the second-named means indicate the picture elements which are included in a preset region of the image;

    fourth means (7) for dividing a reference image into a plurality of regions to store in advance the feature data of each of the divided regions; and

    fifth means (8) for sequencially comparing the counted data generated from the third-named means and those data of the fourth-named means, which correspond to said preset regions,whereby the object in the image is recognized from the compared results of the fifth-named means.

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