Towards Automatic Assessment of the Mitral Valve Coaptation Zone from 4D Ultrasound. - Sandy Engelhardt; Nils Lichtenberg; Sameer Al-Maisary; Raffaele De Simone; Helmut Rauch; Jens Roggenbach; Stefan Müller 002; Matthias Karck; Hans-Peter Meinzer; Ivo Wolf (FIMH, 2015)