Table 3 Dice scores obtained when comparing the gray matter, white matter and cerebrospinal fluid (CSF) segmentations between T1nce and T1ce images and between T1nce and synthetic T1nce images (obtained with the generator-only Att-U-Net and the cGAN Att-U-Net)
| Â | Compared images | Model | Testgood | Testlow |
|---|---|---|---|---|
Gray matter | T1nce / T1ce | - | 0.88 ± 0.02 | 0.77 ± 0.12 |
T1nce / Synthetic T1nce | Att-U-Net | 0.87 ± 0.02 | 0.81 ± 0.07 | |
cGAN Att-U-Net | 0.87 ± 0.02 | 0.81 ± 0.07 | ||
White matter | T1nce / T1ce | - | 0.93 ± 0.01 | 0.85 ± 0.10 |
T1nce / Synthetic T1nce | Att-U-Net | 0.90 ± 0.02 | 0.86 ± 0.04 | |
cGAN Att-U-Net | 0.91 ± 0.02 | 0.86 ± 0.03 | ||
CSF | T1nce / T1ce | - | 0.63 ± 0.10 | 0.62 ± 0.10 |
T1nce / Synthetic T1nce | Att-U-Net | 0.80 ± 0.05 | 0.78 ± 0.07 | |
cGAN Att-U-Net | 0.80 ± 0.05 | 0.78 ± 0.07 |