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METHOD AND SYSTEM FOR FINDING A DOCUMENT IMAGE IN A DOCUMENT COLLECTION USING LOCALIZED TWO-DIMENSIONAL VISUAL FINGERPRINTS

  • US 20090324100A1
  • Filed: 06/27/2008
  • Published: 12/31/2009
  • Est. Priority Date: 06/27/2008
  • Status: Active Grant
First Claim
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1. An image management method for storing, indexing, searching,:

  • and/or retrieving image data comprising the steps of;

    identifying keypoints in images, including keypoints in a query image of a query document and keypoints in potential target document images of a collection of potential target documents;

    generating fingerprint information from the keypoints;

    comparing the fingerprint information of the query image with fingerprint information of the potential target document images in the collection of potential target documents;

    determining a best match between the fingerprint information of the query image and the potential target document images;

    retrieving at least one target document image based on the determining step; and

    at least one of displaying, printing, storing or transmitting the retrieved at least one target document image.

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