@InProceedings{SCI:Tas2003e,
  author =    "T. Tasdizen and R.T. Whitaker",
  title =     "Feature preserving variational smoothing of
              terrain data",
  booktitle = "{IEEE} Workshop on Variational, Geometric and
              Level Set Methods in Computer Vision",
  year =      "2003",
  month =     "October",
  keywords =  "ip image processing signal processing, surface
              processing, geophysics geology, imaging, level-set
              methods, level-sets",
  url =       "http://www.sci.utah.edu/publications/tolga03/terrain.pdf",
}