Comparison between the bowel segmentation results of the Machine-Assisted Interpolation (MAI), Linear Interpolation (LI), and Fully-Automatic Segmentation (FAS) on 4 selected CT slices (a-d) across 4 unique patients (cases 3, 7, 17, and 29, respectively). The top row shows the predicted stomach contour from MAI (red contour), the second row, the result from LI (purple contour), and the third row, the results from FAS (orange contour). On all slices, the ground truth contour is shown in green. The red arrows point to contours that were clinically identified as the sigmoid.