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Image matching

  • US 9,075,826 B2
  • Filed: 05/16/2013
  • Issued: 07/07/2015
  • Est. Priority Date: 05/16/2013
  • Status: Active Grant
First Claim
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1. A method performed by a system, the method comprising:

  • comparing a query image received from a mobile device with a plurality of planes stored in a memory, wherein each of the plurality of planes is a planar region of an imaged area of an environment;

    matching the query image with at least one of the plurality of planes; and

    determining a location of the mobile device based on the matching of the query image with the at least one plane without using non-planar structures in the query image,wherein comparing the query image with the plurality of planes includes executing a warping function between the query image and the plurality of planes to determine at least a first matching score for matching the query image with the at least one plane.

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