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IMAGE RETRIEVAL USING SPATIAL BAG-OF-FEATURES

  • US 20120269432A1
  • Filed: 04/22/2011
  • Published: 10/25/2012
  • Est. Priority Date: 04/22/2011
  • Status: Active Grant
First Claim
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1. A method comprising:

  • identifying features of an image;

    projecting the features onto a line or a circle;

    creating a histogram descriptor of the features based on the projecting; and

    calibrating the histogram descriptor to minimize a variance between histogram descriptors of two images due to spatial variance of corresponding features between the two images.

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