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System and method for detecting and ranking images in order of usefulness based on vignette score

  • US 7,492,921 B2
  • Filed: 01/10/2005
  • Issued: 02/17/2009
  • Est. Priority Date: 01/10/2005
  • Status: Expired due to Fees
First Claim
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1. A method for detecting useful images and for ranking images in order of usefulness, comprising the step of:

  • a) computing a vignette score for each image in a given set of images, wherein a vignette score describes how closely an image resembles a central object surrounded by a featureless or deemphasized background; and

    b) ranking the images with numerical ranks according to each image'"'"'s vignette score.

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