Sarawut Tae-O-Sot Supatana Auethavekiat Somchai Jitapunkul Shape Based Segmentation by Level Set Method for Medical Objects Containing Two Regions. 1929-1932 2006 conf/icip/2006 ICIP http://dx.doi.org/10.1109/ICIP.2006.312791 db/conf/icip/icip2006.html#Tae-O-SotAJ06