| Study case | Metric | Before | CC | SIFT | ORB | Proposed | [12] |
| Subset | Shift | −20, 21 | −2, 7 | 0, 0 | 0, 0 | 0, 0 | 0, 0 | MSE | 95.99 | 96.13 | 31.48 | 48.58 | 83.03 | 85.34 | PSNR | 14.154 | 14.151 | 16.575 | 15.633 | 14.445 | 14.409 | CC | −0.012 | 0.122 | 0.721 | 0.708 | 0.433 | 0.398 |
| Translation | Shift | 5, −23 | 0, −20 | 0, 0 | 0, 0 | 0, 0 | 0, 0 | MSE | 95.35 | 95.55 | 58.42 | 63.27 | 82.52 | 86.45 | PSNR | 14.168 | 14.164 | 15.233 | 15.059 | 14.483 | 14.381 | CC | −0.023 | −0.036 | 0.716 | 0.704 | 0.534 | 0.319 | Scaling | Shift | 0, 0 | 0, 0 | 0, 0 | 0, 0 | 0, 0 | 0, 0 | MSE | 3.60 | 58.13 | 45.16 | 69.12 | 60.88 | 70.81 | PSNR | 21.282 | 15.243 | 15.791 | 14.867 | 15.143 | 14.814 | CC | −0.023 | 0.963 | 0.981 | 0.841 | 0.939 | 0.881 |
| Rotation | Shift | 8, −21 | −24, 0 | 0, 0 | 0, 0 | 0, 0 | 0, 0 | MSE | 92.68 | 90.51 | 63.95 | 66.34 | 91.36 | 87.83 | PSNR | 14.230 | 14.281 | 15.036 | 14.957 | 14.261 | 14.347 | CC | −0.101 | −0.008 | 0.949 | 0.926 | −0.141 | 0.171 |
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