Automatically Segmenting the Left Atrium from Cardiac Images Using Successive 3D U-Nets and a Contour Loss. - Shuman Jia; Antoine Despinasse; Zihao Wang 002; Hervé Delingette; Xavier Pennec; Pierre Jaïs; Hubert Cochet; Maxime Sermesant (STACOM@MICCAI, 2018)