Table 4. The cross-correlation, root mean squared error (RMSE), and structural similarity (SSIM) of study 3.
| Evaluation metrics | Phase 1 | Deformed phase 7ref | Deformed phase 7pred |
|---|---|---|---|
| Cross-correlation | |||
| Phase 7 | 0.84 | 0.98 | 0.96 |
| Deformed phase 7ref | – | – | 0.97 |
| RMSE | |||
| Phase 7 | 93 | 35 | 43 |
| Deformed phase 7ref | – | – | 36 |
| SSIM | |||
| Phase 7 | 0.44 | 0.72 | 0.65 |
| Deformed phase 7ref | – | – | 0.68 |
The coefficient of cross-correlation has a significant improvement after the deformation with our network, and the reference deformed image and predicted deformed image has very high similarity.