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IMAGE-BASED INDOOR POSITION DETERMINATION

  • US 20150227794A1
  • Filed: 03/30/2015
  • Published: 08/13/2015
  • Est. Priority Date: 11/30/2012
  • Status: Active Grant
First Claim
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1. A method comprising:

  • extracting linear features from an image of an indoor portion of a building, said image captured by a camera at a mobile station;

    determining a topological representation of said indoor portion based, at least in part, on positions or quantity of said linear features in said image;

    selecting a stored topological representation from among a plurality of stored topological representations of particular areas of said building; and

    comparing said topological representation to said selected stored topological representation of said building to determine a candidate position of said mobile station.

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