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Creating flexible structure descriptions of documents with repetitive non-regular structures

  • US 9,740,692 B2
  • Filed: 11/05/2014
  • Issued: 08/22/2017
  • Est. Priority Date: 08/01/2006
  • Status: Active Grant
First Claim
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1. A method for creating a flexible structure description, the method comprising:

  • receiving an image of a document of a particular document type that contains a table;

    receiving an entry describing an item in the table;

    searching for title elements based upon the entry;

    detecting data fields and anchor elements for the entry;

    generating, using a processor, a flexible structure description for the particular document type that includes a set of search elements for each data field in the image of the document and the title elements;

    matching the flexible structure description against the image; and

    extracting data from the image based upon the matching of the flexible structure description against the image.

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