Image based tracking in augmented reality systems

  • US 10,102,680 B2
  • Filed: 12/04/2017
  • Issued: 10/16/2018
  • Est. Priority Date: 10/30/2015
  • Status: Active Grant
  • ×
    • Pin
First Claim
Patent Images

1. A method for determining a device location comprising:

  • capturing, by an image sensor of the device, a first image of an environment;

    accessing 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 the first image of the environment using the building location information, to identify a match between a first wall portion of the first image of the environment and the one or more location points of the building location information; and

    calculating, based at least n part on a perspective associated with the first wall portion of the first image of the environment and the match between the first wall portion and the one or more location points, a second position estimate of the device.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×