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Automated location estimation using image analysis

  • US 8,144,920 B2
  • Filed: 03/15/2007
  • Issued: 03/27/2012
  • Est. Priority Date: 03/15/2007
  • Status: Active Grant
First Claim
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1. One or more computer storage media devices comprising computer-readable instructions that when executed, perform acts comprising:

  • acquiring an image of a current location;

    iteratively comparing the image in a plurality of different formats with two or more previously stored images in corresponding formats to identify a subset of potential matches using a first of a plurality of different image analysis techniques, and to identify one or more matching images of the subset using a second of the plurality of different image analysis techniques;

    identifying an location of a place of the image based on the comparisons performed using the plurality of different image analysis techniques; and

    assigning, to the image, location information associated with the identified location.

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