@InProceedings{MignotteIcip03, author = {M. Mignotte}, title = {Unsupervised statistical sketching for non-photorealistic rendering models}, booktitle = {10th {IEEE} {I}nternational {C}onference on {I}mage {P}rocessing}, address= {Barcelona, Spain}, volume = {3}, month = {September}, year = {2003}, pages = {573-577}, mignotte=1 }