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Method and apparatus for enhancing a digital elevation model (DEM) for topographical modeling

  • US 7,142,984 B2
  • Filed: 02/08/2005
  • Issued: 11/28/2006
  • Est. Priority Date: 02/08/2005
  • Status: Expired due to Fees
First Claim
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1. A computer implemented method for processing an original digital elevation model (DEM) including data for terrain and a plurality of objects thereon, the method comprising:

  • generating a lower-resolution DEM from the original DEM;

    generating an objects-only DEM based upon a comparison of the lower-resolution DEM and the original DEM; and

    reducing noise in the objects-only DEM.

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