M. Emre Celebi Y. Alp Aslandogan Paul R. Bergstresser Unsupervised Border Detection of Skin Lesion Images. 123-128 2005 conf/itcc/2005-2 ITCC (2) http://dx.doi.org/10.1109/ITCC.2005.283 db/conf/itcc/itcc2005-2.html#CelebiAB05a