@Article{SCI:Whi2002c,
  author =    "R.T. Whitaker and E. L. Valdes-Juarez",
  title =     "On the Reconstruction of Height Functions and
              Terrain Maps from Dense Range Data",
  journal =   j-TIP,
  volume =    "11",
  number =    "7",
  pages =     "704--716",
  year =      "2002",
  keywords =  "ip image processing signal processing, surface
              processing, imaging",
}