Table 1.
Quantitative measures of motion correction before and after contrast injection.
| Pre contrast | ||||||||
|---|---|---|---|---|---|---|---|---|
| Dice | FP | FN | MBE (mm) | |||||
| ORI | MOCO | ORI | MOCO | ORI | MOCO | ORI | MOCO | |
| Mean | 0.726 | 0.795 | 0.271 | 0.209 | 0.276 | 0.201 | 1.791 | 1.343 |
| STD | 0.157 | 0.096 | 0.160 | 0.101 | 0.168 | 0.115 | 3.464 | 3.247 |
| Post contrast | ||||||||
| Dice | FP | FN | MBE (mm) | |||||
| ORI | MOCO | ORI | MOCO | ORI | MOCO | ORI | MOCO | |
| Mean | 0.773 | 0.823 | 0.218 | 0.167 | 0.234 | 0.188 | 1.739 | 1.315 |
| STD | 0.133 | 0.124 | 0.142 | 0.136 | 0.139 | 0.124 | 1.752 | 1.576 |
ORI, original images; MOCO, motion correction.
Paired t-test, pre-contrast: Dice(P<0.05), FP (P<0.05), FN (P<0.05), MBE (P<0.01) ; post-contrast: Dice (P<0.05), FP (P<0.05), FN (P<0.05), MBE (P<0.01).