@INPROCEEDINGS{Lachaud05a,
  AUTHOR =   {J.-O. Lachaud and A. Vialard and de Vieilleville, F.},
  TITLE =   {Analysis and comparative evaluation of discrete tangent
 estimators}
  BOOKTITLE =   {Proc. Int. Conf. Discrete Geometry for Computer Imagery (DGCI'2005), Poitiers, France},
  YEAR =   {2005},
  EDITOR =   {E. Andr\`{e}s and G. Damiand and P. Lienhardt},
  SERIES =   {LNCS},
  PUBLISHER =    {Springer},
  volume = {3429},
  pages = {140--251},
  keywords= "discrete geometry, discrete tangent estimators, digital straight segments"
}