Table 1.
Evaluation metrics comparing BFE to manual delineations, and comparing deformed MBFE to manual delineations
| Test set | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
|---|---|---|---|---|---|---|---|---|---|---|
|
BFE |
||||||||||
| Dice 3D |
0.96 |
0.97 |
0.95 |
0.96 |
0.94 |
0.94 |
0.96 |
0.96 |
0.97 |
0.93 |
| Accuracy |
0.93 |
0.94 |
0.91 |
0.91 |
0.88 |
0.88 |
0.92 |
0.93 |
0.94 |
0.85 |
| HD mean |
1.32 |
1.09 |
2.24 |
1.34 |
1.94 |
1.61 |
1.41 |
1.65 |
1.59 |
2.49 |
|
#HD > 3mm |
0 (6) |
0 (8) |
3 (12) |
0 (8) |
2 (11) |
0 (13) |
0 (9) |
0 (15) |
1 (13) |
2 (10) |
|
Deformed MBFE |
||||||||||
| Dice 3D |
0.92 |
0.93 |
0.90 |
0.91 |
0.88 |
0.84 |
0.92 |
0.88 |
0.89 |
0.88 |
| Accuracy |
0.84 |
0.84 |
0.81 |
0.82 |
0.74 |
0.70 |
0.84 |
0.73 |
0.80 |
0.74 |
| HD mean |
2.38 |
2.58 |
6.12 |
2.76 |
3.79 |
4.32 |
2.73 |
5.59 |
4.88 |
4.63 |
| #HD > 3mm | 1 (6) | 1 (8) | 9 (12) | 4 (8) | 7 (11) | 8 (13) | 2 (9) | 13 (15) | 8 (13) | 9 (10) |
(unit: Dice 3D and accuracy in percentage, HD mean in mm, number of slices with HD ≥ 3mm compared to the total number of slices in brackets).