Gift-Wrapping based Preimage Computation Algorithm

@inproceedings{dcoeurjo_dgci08_gift,
      author = {Gerard, Y. and Feschet, F. and Coeurjolly, D.},
      booktitle = {14th International Conference on Discrete Geometry
for Computer Imagery},
      editor = {D.  Coeurjolly, I.  Sivignon, L.  Tougne and Dupont,
F.},
      language = {en},
      month = {April},
      series = {LNCS},
      title = {Gift-Wrapping based Preimage Computation Algorithm},
      url = {http://liris.cnrs.fr/publis/?id=3388},
      year = {2008}
}