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Method and apparatus for comparing document features using texture analysis

  • US 20080030798A1
  • Filed: 07/31/2006
  • Published: 02/07/2008
  • Est. Priority Date: 07/31/2006
  • Status: Active Grant
First Claim
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1. A method of determining a level of similarity between a feature in a subject document and expected characteristics of said feature, the method comprising:

  • a) obtaining a digital image of at least a portion of said document;

    b) isolating said feature in said digital imagec) gathering data from an analysis of said featured) comparing data gathered in step c) with expected data from expected characteristics of said featuree) generating a score based on a comparison between said data and said expected datawherein said expected characteristics are based on methods used to manufacture said subject document.

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