Contours are extracted from corresponding features the left ventricular blood pool-endocardium interfaces, of a plurality of images collected as a multi-phase multi-slice cardiac Magnetic Resonance Imaging (MRI) study which are accessible by a computer in response to user input to the computer of a seed...http://www.google.com/patents/US5239591?utm_source=gb-gplus-sharePatent US5239591 - Contour extraction in multi-phase, multi-slice cardiac MRI studies by propagation of seed contours between images