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Automatically determining the size of a blur kernel

  • US 9,576,220 B2
  • Filed: 02/16/2016
  • Issued: 02/21/2017
  • Est. Priority Date: 10/23/2013
  • Status: Active Grant
First Claim
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1. A computer-implemented method, comprising:

  • generating a derivative image from an image having a blurred region;

    autocorrelating the derivative image and the image to obtain an autocorrelation map;

    determining a size of a blur kernel for the image based on the autocorrelation map; and

    deblurring the image by deconvolving the blurred region with the blur kernel.

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