Fig. 10.

Segmentation results for testing patients (A) No. 6 and (B) No. 9 using the proposed, 2-D and 3-D U-net methods with prior organ information used in inference stage. Sigmoid colon is indicated by the red arrows in (A). Disjointed segmentation produced by the 3-D method is noted by the red arrows in (B). (For interpretation of the references to color in this figure legend, the reader is referred to the web version of this article.)