Results of the two zones segmentation: the transition region (white region) and the peripheral region (gray region). From left to right: the apex, the central slice, and the base. a Patient 6 from the MICCAI challenge database (Prostate’s DSC = 85.57 %, PZ’s DSC = 51.20 %, and TZ’s DSC = 74.40 %). b Patient 13 from the multi-centric MR database (Prostate’s DSC = 88.80 %, PZ’s DSC = 71.30 %, and TZ’s DSC = 84.20 %)