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Image based tracking in augmented reality systems

  • US 10,733,802 B2
  • Filed: 06/11/2019
  • Issued: 08/04/2020
  • Est. Priority Date: 10/30/2015
  • Status: Active Grant
First Claim
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1. A method for determining a device location comprising:

  • accessing, by one or more processors of the device, building location information describing one or more location points for at least a first building, wherein the building location information is associated with a first position estimate of the device;

    processing, using the one or more processors, a first image of an environment comprising the first building using the building location information to identify a match between a first portion of the first image of the environment and the one or more location points of the building location information; and

    calculating, using the one or more processors, a second position estimate of the device, wherein the second position estimate is calculated based at least in part on a perspective associated with the first portion of the first image of the environment and the match between the first portion and the one or more location points.

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