TABLE VII.
Study 3: Performance comparison
| Metric | Reference | HR | LR | RBV | TV | JE | S1 | V1 | S2 | V2 | S3 | V3 | S4 | V4 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PSNR | HRRT | ∞ | 27.24 | 28.33 | 29.65 | 30.13 | 33.46 | 35.83 | 34.28 | 36.38 | 34.50 | 36.23 | 34.52 | 37.02 |
| PSNR s.d. | 0.00 | 0.59 | 0.38 | 0.48 | 0.45 | 0.58 | 0.14 | 0.78 | 0.19 | 0.70 | 0.17 | 0.83 | 0.22 | |
| SSIM | HRRT | 1.00 | 0.86 | 0.70 | 0.93 | 0.89 | 0.95 | 0.97 | 0.95 | 0.97 | 0.95 | 0.97 | 0.95 | 0.98 |
| SSIM s.d. | 0.000 | 0.017 | 0.02 | 0.007 | 0.011 | 0.008 | 0.002 | 0.010 | 0.002 | 0.009 | 0.002 | 0.009 | 0.002 | |
| CNR | - | 0.46 | 0.19 | 0.23 | 0.26 | 0.23 | 0.34 | 0.35 | 0.39 | 0.41 | 0.35 | 0.39 | 0.40 | 0.41 |
| CNR s.d. | 0.11 | 0.15 | 0.03 | 0.09 | 0.09 | 0.11 | 0.13 | 0.13 | 0.12 | 0.12 | 0.12 | 0.12 | 0.12 |