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Salient Point-Based Arrangements

  • US 20120275642A1
  • Filed: 11/02/2011
  • Published: 11/01/2012
  • Est. Priority Date: 04/26/2011
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving a first set of data corresponding to imagery captured by a camera-equipped portable device, the imagery depicting a subject;

    decoding steganographically-encoded digital watermark payload data from the first set of data;

    by reference to said payload data, obtaining a second set of data;

    wherein the second set of data comprises salient point data corresponding to said subject.

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