Table 3.
Segmentation results of the genioglossus and inferior longitudinalis tongue muscles in terms of mean (±standard deviation) Dice coefficient κ and symmetric surface distance δ for the second observer, game-theoretic framework (GTF), B-splines atlasing and demons atlasing.
Method | Genioglossus muscle | Inferior longitudinalis muscle | Both muscles | |||
---|---|---|---|---|---|---|
κ (%) | δ (mm) | κ (%) | δ (mm) | κ (%) | δ (mm) | |
Second observer | 88.3 ± 1.9 | 0.71 ± 0.11 | 69.0 ± 3.7 | 0.93 ± 0.22 | 85.3 ± 2.0 | 0.79 ± 0.14 |
GTF | 84.8 ± 3.7 | 1.00 ± 0.20 | 61.4 ± 7.7 | 1.03 ± 0.18 | 81.8 ± 3.2 | 1.02 ± 0.19 |
B-splines atlasing | 81.6 ± 6.1 | 1.09 ± 0.37 | 60.5 ± 9.0 | 1.11 ± 0.31 | 78.8 ± 5.5 | 1.10 ± 0.32 |
Demons atlasing | 79.0 ± 6.4 | 1.26 ± 0.42 | 53.5 ± 11.9 | 1.29 ± 0.48 | 75.8 ± 6.6 | 1.27 ± 0.45 |