TABLE I.
Average Dice ratios and surface-distance errors (in mm) on 30 CBCT subjects. The best performance is bolded. MV provides initial probabilities for our proposed method.
| MV | SR (Ref. 2) | RF without prior (Ref. 26) | Proposed (RF with prior) | ||
|---|---|---|---|---|---|
| Running time | 5 m | 5 h | 15 m | 20 m | |
| Dice ratio | Mandible | 0.83 ± 0.04 | 0.92 ± 0.03 | 0.51 ± 0.12 | 0.94 ± 0.02 |
| Maxilla | 0.75 ± 0.04 | 0.88 ± 0.02 | 0.39 ± 0.14 | 0.91 ± 0.03 | |
| Average distance | Mandible | 1.21 ± 0.25 | 0.62 ± 0.23 | 3.42 ± 1.21 | 0.42 ± 0.15 |
| Hausdorff distance | Mandible | 3.65 ± 1.53 | 0.95 ± 0.24 | 4.74 ± 2.56 | 0.74 ± 0.25 |