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Apparatus and method for decoding damaged optical codes

  • US 6,685,095 B2
  • Filed: 03/05/2001
  • Issued: 02/03/2004
  • Est. Priority Date: 05/05/1998
  • Status: Expired due to Term
First Claim
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1. A method of decoding a code contained in an image, comprising:

  • identifying an area within said image that contains a code;

    tracing a contour of said code;

    locating at least a portion of a finder pattern within the code;

    scanning at least one region of the code to detect a known characteristic of the code;

    labeling at least a portion of said at least one region as an erasure region based on whether said known characteristic is detected; and

    decoding the code.

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