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Device and method for estimating if an image is blurred

  • US 8,068,668 B2
  • Filed: 07/17/2008
  • Issued: 11/29/2011
  • Est. Priority Date: 07/19/2007
  • Status: Expired due to Fees
First Claim
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1. A method for estimating if an image is blurred or sharp, the method comprising the steps of:

  • determining an image gradient histogram distribution of at least a portion of the image; and

    comparing at least a portion of the image gradient histogram distribution to a Gaussian model of at least a portion of the image to estimate if the image is either blurred or sharp.

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