Balakrishnan Varadarajan Carol Reiley Henry Lin Sanjeev Khudanpur Gregory D. Hager Data-Derived Models for Segmentation with Application to Surgical Assessment and Training. 426-434 2009 MICCAI (1) http://dx.doi.org/10.1007/978-3-642-04268-3_53 conf/miccai/2009-1 db/conf/miccai/miccai2009-1.html#VaradarajanRLKH09