TABLE V.
Study 2: Performance comparison
Metric | Reference | HR | LR | RBV | TV | JE | S1 | V1 | S2 | V2 | S3 | V3 | S4 | V4 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
PSNR | HRRT | ∞ | 27.83 | 26.55 | 26.68 | 27.48 | 35.11 | 35.69 | 38.37 | 38.48 | 35.48 | 35.92 | 38.44 | 38.69 |
PSNR s.d. | 0.00 | 0.17 | 0.45 | 0.55 | 0.50 | 0.36 | 0.33 | 0.24 | 0.26 | 0.33 | 0.29 | 0.28 | 0.27 | |
PSNR | True | 22.15 | 21.47 | 21.84 | 22.35 | 22.37 | 22.69 | 23.06 | 22.46 | 23.92 | 23.07 | 23.48 | 23.78 | 24.29 |
PSNR s.d. | 0.52 | 0.41 | 0.70 | 0.66 | 0.68 | 0.070 | 0.70 | 0.072 | 0.70 | 0.71 | 0.61 | 0.71 | 0.70 | |
SSIM | HRRT | 1.00 | 0.76 | 0.81 | 0.83 | 0.83 | 0.82 | 0.80 | 0.88 | 0.88 | 0.85 | 0.82 | 0.89 | 0.90 |
SSIM s.d. | 0.000 | 0.033 | 0.012 | 0.006 | 0.005 | 0.050 | 0.001 | 0.062 | 0.0028 | 0.024 | 0.002 | 0.014 | 0.003 | |
SSIM | True | 0.84 | 0.74 | 0.74 | 0.85 | 0.86 | 0.77 | 0.75 | 0.86 | 0.86 | 0.79 | 0.77 | 0.86 | 0.87 |
SSIM s.d. | 0.003 | 0 .007 | 0.013 | 0.012 | 0.006 | 0.022 | 0.008 | 0.020 | 0.006 | 0.021 | 0.007 | 0.021 | 0.006 | |
CNR | - | 0.67 | 0.09 | 0.59 | 0.52 | 0.53 | 0.48 | 0.50 | 0.58 | 0.63 | 0.46 | 0.49 | 0.61 | 0.64 |
CNR s.d. | 0.06 | 0.04 | 0.06 | 0.08 | 0.08 | 0.03 | 0.03 | 0.12 | 0.01 | 0.04 | 0.04 | 0.01 | 0.04 |