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METHOD FOR FIXED-ROTATION AND ROTATION-INDEPENDENT IMAGE CORRELATION

  • US 20120163721A1
  • Filed: 04/29/2010
  • Published: 06/28/2012
  • Est. Priority Date: 04/29/2009
  • Status: Active Grant
First Claim
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1. A method of correlating an image of a feature of interest, comprising:

  • acquiring a first image of a feature of interest;

    generating a learned circlet image from the first image, wherein a circlet is defined as a compact angle representation expressing, at a given pixel comprised in the first image, the direction of change of pixel intensity;

    saving one or more sets of learned circlets corresponding to one or more selected probes;

    acquiring a second image of the feature of interest;

    generating a target circlet image from the second image; and

    correlating the learned circlet image and the target circlet image.

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