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ROTATION INVARIANT OBJECT DETECTION

  • US 20170323149A1
  • Filed: 05/05/2016
  • Published: 11/09/2017
  • Est. Priority Date: 05/05/2016
  • Status: Abandoned Application
First Claim
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1. A method, comprising:

  • receiving a two-dimensional image of a three-dimensional object recorded at a first angle of rotation of the object;

    identifying, in the two-dimensional image, a set of image descriptors, each of the image descriptors comprising an image keypoint and one or more image features;

    comparing the set of image descriptors against a plurality of sets of template descriptors for respective previously captured two-dimensional images, each of the template descriptors comprising a template keypoint and one or more template features;

    identifying, based on a defined threshold, a given set of template descriptors matching the set of image descriptors, the given set of template descriptors corresponding to a given previously captured two-dimensional image of the three-dimensional object recorded at a second angle of rotation of the object; and

    adding, to the given set of template descriptors, any of the image descriptors not in the given set of the of template descriptors.

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