Andy Tsai William M. Wells III Clare M. Tempany W. Eric L. Grimson Alan S. Willsky Coupled Multi-shape Model and Mutual Information for Medical Image Segmentation. 185-197 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2732&spage=185 2003 conf/ipmi/2003 IPMI db/conf/ipmi/ipmi2003.html#TsaiWTGW03