Ning Xu Ravi Bansal Narendra Ahuja Object Segmentation Using Graph Cuts Based Active Contours. 46-53 2003 conf/cvpr/2003 CVPR (2) http://csdl.computer.org/comp/proceedings/cvpr/2003/1900/02/190020046abs.htm db/conf/cvpr/cvpr2003-2.html#XuBA03