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METHOD OF IDENTIFYING PAGE FROM PLURALITY OF PAGE FRAGMENT IMAGES

  • US 20110293184A1
  • Filed: 03/18/2011
  • Published: 12/01/2011
  • Est. Priority Date: 05/31/2010
  • Status: Abandoned Application
First Claim
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1. A method of identifying a physical page containing printed text from a plurality of page fragment images captured by a camera, said method comprising:

  • placing a handheld electronic device in contact with a surface of the physical page, said device comprising a camera and a processor;

    moving the device across the physical page and capturing the plurality of page fragment images at a plurality of different capture points using said camera;

    measuring a displacement or direction of movement;

    performing OCR on each captured page fragment image to identify a plurality of glyphs in a two-dimensional array;

    creating a glyph group key for each page fragment image, said glyph group key containing n×

    m glyphs, where n and m are integers from 2 to 20;

    looking up each created glyph group key in an inverted index of glyph group keys;

    comparing a displacement or direction between glyph group keys in said inverted index with a measured displacement or direction between the capture points for corresponding glyph group keys created using said OCR; and

    identifying a page identity corresponding to said physical page using said comparison.

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