Keywords :
Biomedical imaging; Brain modeling; Computed tomography; Computer simulation; Deformable models; Image segmentation; Level set; Magnetic resonance imaging; Radiology; Robustness; Algorithms; Brain; Humans; Image Enhancement; Image Interpretation, Computer-Assisted; Imaging, Three-Dimensional; Male; Models, Biological; Pattern Recognition, Automated; Prostate; Radiography, Abdominal;