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Character recognition method and apparatus which groups similar character patterns

  • US 6,272,242 B1
  • Filed: 07/13/1995
  • Issued: 08/07/2001
  • Est. Priority Date: 07/15/1994
  • Status: Expired due to Term
First Claim
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1. A character recognition method for use with an image of a document, comprising the steps of:

  • extracting character patterns from the image;

    detecting similarities between the character patterns;

    grouping the character patterns into groups using the detecting similarities;

    determining for each of said groups a corresponding character code using a character recognition process, the corresponding character code corresponding to features of the members of a corresponding group, after the step of grouping; and

    assigning to each character pattern of each of said groups the character code which corresponds to the group of the character pattern, wherein each character pattern of one of the groups is assigned a same character code, and wherein the same character code is a recognized character code.

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