Table 1.
SSIM and PSNR between the ground truth and reconstructed SLP image after applying different denoising approaches for different frames
| Frame | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | |
|---|---|---|---|---|---|---|---|---|---|
| SSIM | Total variation | 0.64 | 0.64 | 0.64 | 0.64 | 0.64 | 0.64 | 0.65 | 0.65 |
| Wavelet | 0.96 | 0.96 | 0.96 | 0.96 | 0.96 | 0.95 | 0.95 | 0.95 | |
| NLM | 0.97 | 0.97 | 0.97 | 0.97 | 0.97 | 0.97 | 0.97 | 0.97 | |
| BM3D | 0.96 | 0.96 | 0.96 | 0.96 | 0.96 | 0.96 | 0.96 | 0.96 | |
| GBM4D | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | 0.98 | |
| PSNR (dB) | Total variation | 17.65 | 17.66 | 17.68 | 17.69 | 17.70 | 17.72 | 17.74 | 17.76 |
| Wavelet | 25.56 | 25.46 | 25.40 | 25.29 | 25.24 | 25.15 | 25.05 | 24.97 | |
| NLM | 27.28 | 27.24 | 27.24 | 27.20 | 27.17 | 27.17 | 27.10 | 27.10 | |
| BM3D | 26.24 | 26.22 | 26.20 | 26.16 | 26.14 | 26.13 | 26.08 | 26.04 | |
| GBM4D | 28.68 | 28.75 | 28.80 | 28.84 | 28.87 | 28.90 | 28.90 | 28.89 |