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Terrain map summary elements

  • US 7,822,224 B2
  • Filed: 06/21/2006
  • Issued: 10/26/2010
  • Est. Priority Date: 06/22/2005
  • Status: Active Grant
First Claim
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1. A method for analysis of image data for subject content comprising:

  • (a) performing at least one pass through a frame of said image data;

    (b) generating a base terrain map from said pass through said frame of said image data, said base terrain map comprising a plurality of base data members that indicate the content of said image data, the plurality of base data members being selected from the group consisting of an average altitude parameter, a degree of slope parameter, a direction of slope parameter, a horizontal smoothness parameter, a vertical smoothness parameter and a jaggyness parameter; and

    (c) generating at least one terrain map summary hierarchically removed from said terrain map, said at least one terrain map summary including a plurality of data members that summarize the content of said plurality of base data members.

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