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System and method for computing the visual profile of a place

  • US 9,298,982 B2
  • Filed: 07/26/2011
  • Issued: 03/29/2016
  • Est. Priority Date: 07/26/2011
  • Status: Active Grant
First Claim
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1. A method for computing a place profile, comprising:

  • providing a geographical definition of a place;

    retrieving a set of images based on the geographical place definition;

    for each of the images in the set of images, generating an image-level representation comprising extracting a set of patch statistics for each of a set of patches of the image and aggregating the patch statistics into an image-level representation, the patch statistics being based on features of pixels of the respective patch;

    with a classifier, generating image-level statistics for the retrieved images based on the image-level representations including labeling images with class labels, the classifier having been trained to generate image-level statistics for a finite set of classes, and filtering a class label of a retrieved image based on a computed geographical density of other retrieved images with a same class label; and

    aggregating the image-level statistics to generate a place profile for the geographically-defined place,wherein at least the generating and aggregating are performed with a computer processor.

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