Liver segmentation and volume estimation from preoperative CT images in hepatic surgical planning: Application of a semiautomatic method based on 3D level sets - Laura Fernandez-de-Manuel; Maria J Ledesma-Carbayo; Daniel Jimenez-Carretero; Javier Pascau; Jose L Rubio-Guivernau; Jose M Tellado; Enrique Ramon; Manuel Desco; Andres Santos (Communications Of The Acm, 2011)