Table 4.
Segmentation accuracy with root-mean-squared-error (RMSE) and volume difference ( δ V ) on pre and post data for both submitted algorithms (IC to UTB) and fixed-models
| |
Pre data |
Post data |
||
|---|---|---|---|---|
| RMSE (mm) | | δV | (ml) | RMSE (mm) | | δV | (ml) | |
| IC |
0.72 (0.5) |
2.87 (2.0) |
9.52 (8.2) |
4.79 (2.9) |
| MV |
1.42 (0.7) |
38.08 (6.7) |
9.20 (8.8) |
4.15 (5.7) |
| SY †∗ |
0.17 (0.1) |
12.87 (2.8) |
9.22 (9.3) |
10.19 (3.9) |
| HB ∗ |
n.a. |
n.a. |
n.a. |
20.16 (10.3) |
| YL †∗ |
1.03 (0.4) |
0.62 (0.7) |
6.34 (8.2) |
2.77 (2.3) |
| KCL |
1.33 (0.6) |
2.24 (2.2) |
9.20 (8.3) |
3.10 (2.3) |
| UTA |
0.36 (0.3) |
3.24 (2.6) |
10.72 (8.0) |
3.54 (2.5) |
| UTB |
0.52 (0.5) |
3.10 (2.2) |
8.91 (8.2) |
1.25 (1.5) |
| 2-SD |
n.a. |
7.51 (3.6) |
n.a. |
17.7 (10.1) |
| 3-SD |
n.a. |
12.73 (8.3) |
n.a. |
7.64 (3.7) |
| 4-SD |
0.15 (0.1) |
12.74 (8.3) |
11.69 (7.5) |
11.98 (8.5) |
| 6-SD |
n.a. |
n.a. |
n.a. |
15.47 (8.5) |
| FWHM | n.a. | 70.52 (38.4) | 7.67 (8.2) | 6.61 (5.9) |
The standard deviation of each metric is quoted in brackets. Symbols (†∗) for pre and (∗) for post denote algorithms that could only be tested on a subset of the complete set of images. Abbreviations: n.a. data not available or could not be computed.