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Systems and methods for authenticating documents

  • US 7,007,303 B2
  • Filed: 10/10/2001
  • Issued: 02/28/2006
  • Est. Priority Date: 10/10/2001
  • Status: Active Grant
First Claim
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1. A method for creating a notarized document from a document, comprising:

  • acquiring image data of the document;

    determining connected components within the acquired image data;

    grouping the connected components into exemplars;

    identifying location information of at least one occurrence of an exemplar for each of the exemplars;

    storing the location information in an exemplar table;

    determining a block of the connected components;

    identifying the position of an occurrence of at least one of the exemplars within the block;

    storing the position in a block table;

    generating a document data file based on the image data, the document data file comprising the exemplar table and the block table; and

    appending the document data file to the document to form a notarized document capable of being authenticated.

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