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System and method of determining map coordinates from images

  • US 8,577,604 B1
  • Filed: 06/10/2011
  • Issued: 11/05/2013
  • Est. Priority Date: 07/07/2010
  • Status: Active Grant
First Claim
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1. A method comprising:

  • accessing a plurality of images, each image of the plurality being associated with geographic location information and direction information identifying a view point of a camera that captured the image;

    identifying a portal in an image of the plurality of images, wherein the portal is associated with a point of interest identified by a location of a map marker in map data;

    accessing surface depth data identifying one or more distances from the geographic location of the camera that captured the image to objects of the image;

    determining a distance from the camera that captured the image to the portal in the image based on the surface depth data;

    determining, by a processor, an approximate geographic location of the portal based on the determined distance and the geographic location information and direction information associated with the image; and

    using the approximate geographic location of the portal to adjust the location of the map marker in the map data.

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