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Precision landmark-aided navigation

  • US 20060149458A1
  • Filed: 01/04/2005
  • Published: 07/06/2006
  • Est. Priority Date: 01/04/2005
  • Status: Active Grant
First Claim
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1. A method of navigation, comprising:

  • processing imagery to extract a first set of landmark features with a first extraction algorithm;

    processing imagery from an image sensor with a second extraction algorithm to extract a second set of landmark features; and

    correlating the second set of landmark features to the first set of landmark features to estimate a location of the image sensor.

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