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Generating navigation data

  • US 9,689,687 B2
  • Filed: 03/13/2013
  • Issued: 06/27/2017
  • Est. Priority Date: 03/19/2012
  • Status: Active Grant
First Claim
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1. A method of generating navigation data, the method including:

  • receivinga new experience data set relating to a new experience capture, andat least one stored experience data set relating to at least one previous experience capture,each of the new experience data set and the at least one stored experience data set including a set of nodes, each said node comprising a series of visual image frames relating to a geographical location taken over a series of time frames;

    obtaining a candidate set of said nodes from the at least one stored experience data set that potentially relate to a same geographical location of a said node in the new experience data set;

    checking whether the geographical location of a said node in the candidate set matches the geographical location of the node in the new experience data set; and

    responsive to the matching, adding, to a place data set usable for navigation, a topological link that relates the node in the candidate set to the matched node in the new experience data set.

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