@InProceedings{deVieilleville06b,
  author = 	 {de Vieilleville, F. and J.-O. Lachaud},
  title = 	 {Convex shapes and convergence speed of discrete tangent estimators},
  booktitle =    {Proc. Int. Symposium on Visual Computing (ISVC'2006), Lake Tahoe, Nevada},
  year = 	 {2006},
  series = 	 {LNCS},
  publisher =    {Springer},
  month =        nov,
  volume = 4292,
  page = {688-697},
  keywords="discrete geometry, discrete geometric estimators, tangent estimators, maximal segments, multigrid convergence, discrete convexity" 
}