@article{DBLP:journals/jvcir/MaysterL06,
  author    = {Yan Mayster and
               Mario A. Lopez},
  title     = {Approximating a set of points by a step function},
  journal   = {J. Visual Communication and Image Representation},
  volume    = {17},
  number    = {6},
  year      = {2006},
  pages     = {1178-1189},
  ee        = {http://dx.doi.org/10.1016/j.jvcir.2006.04.002},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}