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Text Image Quality Based Feedback For Improving OCR

  • US 20140168478A1
  • Filed: 03/15/2013
  • Published: 06/19/2014
  • Est. Priority Date: 12/13/2012
  • Status: Active Grant
First Claim
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1. A method to improve text recognition by using multiple images of identical text, the method comprising:

  • capturing a plurality of images of a scene of real world at a plurality of zoom levels, said scene of real world containing text of one or more sizes;

    extracting from each of the plurality of images, one or more text regions;

    analyzing an attribute that is relevant to OCR in one or more versions of a first text region as extracted from one or more of said plurality of images; and

    when the attribute has a value that meets a limit of optical character recognition (OCR) in a version of the first text region, providing the version of the first text region as input to OCR.

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