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Character recognition in distorted images

  • US 8,989,446 B2
  • Filed: 01/18/2012
  • Issued: 03/24/2015
  • Est. Priority Date: 01/18/2011
  • Status: Expired due to Fees
First Claim
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1. A method comprising:

  • (a) prior to rendering an imitation image, estimating one or more rendering parameters from a distorted image;

    (b) rendering, by a processor the imitation image, the imitation image comprising one or more simulated characters that correspond to one or more characters within the distorted image;

    (c) applying one or more distortion models to the imitation image, thereby generating a distorted imitation image;

    (d) comparing the distorted imitation image with the distorted image to compute a similarity between the distorted imitation image and the distorted image; and

    (e) identifying the one or more characters as the one or more simulated characters based on the similarity.

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