TABLE 4.
Comparison of mean dice score coefficient values between manual and automated segmentation techniques
| FSL‐FIRST | FreeSurfer | |||
|---|---|---|---|---|
| Default | Fast | None | ||
| DSC (SD) | ||||
| L‐hippocampus | 0.87 (0.03) | 0.87 (0.03) | 0.83 (0.04) | 0.76 (0.05) |
| R‐hippocampus | 0.88 (0.03) | 0.88 (0.03) | 0.83 (0.04) | 0.78 (0.04) |
| L‐amygdala | 0.73 (0.05) | 0.73 (0.05) | 0.72 (0.05) | 0.62 (0.07) |
| R‐amygdala | 0.73 (0.06) | 0.73 (0.06) | 0.71 (0.06) | 0.60 (0.07) |
| L‐thalamus | 0.95 (0.02) | 0.91 (0.01) | 0.95 (0.02) | 0.88 (0.02) |
| R‐thalamus | 0.95 (0.02) | 0.91 (0.01) | 0.95 (0.02) | 0.89 (0.02) |
| L‐putamen | 0.98 (0.01) | 0.95 (0.01) | 0.98 (0.01) | 0.86 (0.02) |
| R‐putamen | 0.98 (0.01) | 0.95 (0.01) | 0.98 (0.01) | 0.85 (0.03) |
| L‐GP | 0.98 (0.01) | 0.88 (0.03) | 0.98 (0.01) | 0.80 (0.05) |
| R‐GP | 0.97 (0.02) | 0.87 (0.03) | 0.97 (0.02) | 0.79 (0.06) |
| L‐caudate | 0.88 (0.04) | 0.88 (0.04) | 0.86 (0.05) | 0.87 (0.03) |
| R‐caudate | 0.90 (0.03) | 0.89 (0.03) | 0.90 (0.04) | 0.87 (0.02) |
| L‐accumbens | 0.84 (0.05) | 0.84 (0.05) | 0.84 (0.05) | 0.62 (0.07) |
| R‐accumbens | 0.84 (0.03) | 0.84 (0.03) | 0.83 (0.04) | 0.65 (0.06) |
| L‐cau + acc | 0.89 (0.03) | 0.89 (0.03) | 0.90 (0.04) | 0.87 (0.02) |
| R‐cau + acc | 0.84 (0.03) | 0.84 (0.03) | 0.83 (0.04) | 0.65 (0.06) |
| Combined mean | 0.89 | 0.87 | 0.88 | 0.77 |
Note: Comparison of Dice score coefficient (DSC) mean values between manual and automated segmentation techniques.
Abbreviations: Cau + acc, score calculated with the combined area of the caudate and the nucleus accumbens; Combined mean, mean score of all structures; GP, globus pallidus; L, left; R, right; SD, standard deviation.