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System and method for segmentation and recognition of patterns

  • US 4,654,873 A
  • Filed: 10/30/1985
  • Issued: 03/31/1987
  • Est. Priority Date: 11/27/1982
  • Status: Expired due to Term
First Claim
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1. A method of segmentation and recognition of patterns comprising the steps of:

  • (a) transforming handwritten characters into electrical image patterns;

    (b) extracting individual pattern elements from said image patterns on the basis of the continuity of the data in said image patterns;

    (c) determining the attributes of each of said individual pattern elements;

    (d) forming one or more unit patterns each consisting of one or more individual pattern elements based on the attributes of said pattern elements and the positional relationship of said pattern elements in said handwritten characters;

    (e) comparing each of said unit patterns with reference patterns that include partial patterns and combination patterns, wherein a partial pattern is less than a complete character and a combination pattern is more than a single complete character;

    (f) generating result codes, including the character name of a reference pattern, for each comparing of a unit pattern with said reference patterns; and

    (g) recognizing said handwritten characters in accordance with said result codes.

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