Fig. 6.

Compared to the ground truth (row 1), segmentation results after the first (column 1), second (column 2), and third (column 3) sweeps without prior information (row 2) and with prior information in the inference stage (row 3). Directions of segmentation in each sweep are shown by the red arrows. Surrounding organs are shown with the bladder (yellow), rectum (brown), small bowel (green) and uterus (pink). Segmentation results with prior information in both training and inference stages were similar to the results using prior in inference stage only, and hence are not shown. (For interpretation of the references to color in this figure legend, the reader is referred to the web version of this article.)