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Segmentation performance of three automatic segmentation methods compared to the expert radiation oncologist’s manual segmentations (mean ± SD DSC). Bold indicates the best performance among the three.
| Bladder | Rectum | Sigmoid | Average of all three organs | |
|---|---|---|---|---|
| 3-D U-Net | 0.85 ± 0.06 | 0.87 ± 0.03 | 0.78 ± 0.10 | 0.83 ± 0.03 (p<0.05) |
| 3-D U-Net+DB | 0.86 ± 0.13 | 0.87 ± 0.04 | 0.71 ± 0.12 | 0.81 ± 0.06 (p<0.05) |
| Proposed | 0.93 ± 0.04 | 0.87 ± 0.03 | 0.80 ± 0.10 | 0.87 ± 0.03 |
