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Matching an approximately located query image against a reference image set

  • US 8,768,107 B2
  • Filed: 09/26/2013
  • Issued: 07/01/2014
  • Est. Priority Date: 12/07/2009
  • Status: Active Grant
First Claim
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1. A computer-implemented method comprising:

  • obtaining, using one or more computing devices, (i) an image of an object, and (ii) data indicating an uncorrected location associated with the image;

    selecting, using the one or more computing devices, a particular geographic area based on the uncorrected location associated with the image;

    identifying, using the one or more computing devices, from among a collection of reference images that are each associated with a respective location, a first subset of the reference images (i) that are each associated with a respective geo-location within the particular geographic area that is selected based on the uncorrected location associated with the image, and (ii) against which the obtained image of the object are to be compared;

    identifying, using the one or more computing devices and based on comparing the obtained image to one or more reference images of the first subset of reference images, a second subset of the first subset of reference images that are classified as images of the object;

    generating, using the one or more computing devices, a corrected location to associate with the image of the object based on one or more of the respective geo-locations associated with the reference images of the second subset; and

    providing, using the one or more computing devices, a request for information about the object in the image, wherein the request includes (i) the image of the object, and (ii) data indicating the corrected location associated with the image.

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