Table 3.
Non-linear registration (best results are indicated in bold).
| Method | Registration of 20 synthetic affinely warped DW-MRIs |
Intra- and Inter-subject registration of DW-MRIs |
||||
|---|---|---|---|---|---|---|
| 7T |
3T |
|||||
| foe | MSE | foe | MSE | foe | MSE | |
| FLIRT4D-AI | 3.6 (0.1) | 1.0 (0.01) × 10−4 | 19.8 (1.9) | 2.9 (0.3) × 10−4 | 18.4 | 6.1 × 10−4 |
| FLIRT-volumes | 3.8 (0.1) | 1.4 (0.01) × 10−4 | 21.5 (1.8) | 3.2 (0.4) × 10−4 | 20.9 | 6.6 × 10−4 |
| FLIRT-volumes-SH | 4.2 (0.2) | 1.1 (0.02) × 10−4 | 21.5 (1.8) | 3.1 (0.4) × 10−4 | 20.8 | 6.3 × 10−4 |
| DTI-TK-tensors | 4.5 (0.2) | – | 13.4 (0.7) | – | 13.3 | – |
| DTI-TK-volumes | 4.3 (0.2) | 1.1 (0.03) × 10−4 | 15.1 (1.0) | 3.3 (0.5) × 10−4 | 24.0 | 9.3 × 10−4 |
| DTI-TK-volumes-SH | 4.2 (0.2) | 1.2 (0.03) × 10−4 | 16.5 (1.2) | 3.3 (0.5) × 10−4 | 27.9 | 10.0 × 10−4 |
| MedINRIA-tensors | 5.7 (0.4) | – | 29.3 (2.0) | – | 23.0 | – |
| MedINRIA-volumes | 4.7 (0.3) | 0.6 (0.07) × 10−4 | 25.9 (1.9) | 2.6 (0.3) × 10−4 | 27.1 | 8.1 × 10−4 |
| MedINRIA-volumes-SH | 6.5 (0.5) | 1.4 (0.07) × 10−4 | 32.6 (2.2) | 2.7 (0.3) × 10−4 | 30.6 | 8.7 × 10−4 |