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Image enhancement employing partial template matching

  • US 7,711,202 B2
  • Filed: 08/12/2008
  • Issued: 05/04/2010
  • Est. Priority Date: 07/23/2003
  • Status: Expired due to Fees
First Claim
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1. A computer system comprising:

  • a memory; and

    a circuit operable tostore at least a portion of an image as pixels in the memory;

    select a window comprising a plurality of adjacent pixels forming line segments of the image, wherein the window includes a target pixel;

    select at least one template from a plurality of templates, at least two of the templates of the plurality of templates corresponding to different partial match errors of the target pixel, wherein each of the plurality of templates includes an enhancement pixel;

    compare a pixel-bit subset of the window with a prediction-bit subset of at least one of the plurality of templates for a partial match; and

    responsive to the partial match being found with a given template, substitute the enhancement pixel of the given template for the target pixel.

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