Table 2.
Automatically segmented mean volumes with standard deviations for all approaches and volumes of interest (VOI) with comparisons to manually segmented (gold standard) volumes.
| VOI | Manually segmented volume (cm3) | Approach | Auto-segmented volume (cm3) |
|---|---|---|---|
| Right parotid | 29.11 ± 8.89 | A (best atlas) | 31.29 ± 12.07 |
| B (maWMV) | 29.03 ± 8.24 | ||
| C (maSTEPS) | 29.62 ± 7.70 | ||
| Left parotid | 27.58 ± 5.22 | A (best atlas) | 30.92 ± 9.43 |
| B (maWMV) | 29.75 ± 6.98 | ||
| C (maSTEPS) | 30.67 ± 7.07 | ||
| Spinal cord | 6.34 ± 1.45 | A (best atlas) | 6.54 ± 1.32 |
| B (maWMV) | 5.94 ± 0.92 | ||
| C (maSTEPS) | 6.76 ± 1.11 | ||
| Mandible | 66.93 ± 18.53 | A (best atlas) | 54.74 ± 13.71 |
| B (maWMV) | 60.92 ± 16.87 | ||
| C (maSTEPS) | 61.86 ± 16.77 | ||