Table 3.
Gray images' denoising results (PSNR/SSIM).
| Image | σ n | GSR | WNNM | SOLST | STROLLR | STLWSM |
|---|---|---|---|---|---|---|
| Baboon | 15 | 38.27/0.765 | 50.89/0.981 | 47.76/0.960 | 43.00/0.752 | 55.74/0.992 |
| 20 | 35.41/0.650 | 48.42/0.967 | 45.35/0.933 | 40.12/0.640 | 53.36/0.987 | |
| 30 | 31.60/0.478 | 45.98/0.937 | 41.91/0.865 | 36.34/0.469 | 53.08/0.979 | |
| 40 | 29.01/0.359 | 43.45/0.896 | 39.45/0.788 | 33.70/0.356 | 50.63/0.963 | |
| 50 | 27.03/0.275 | 43.89/0.809 | 37.54/0.710 | 31.71/0.280 | 50.88/0.955 | |
| 75 | 23.47/0.154 | 41.21/0.360 | 34.05/0.535 | 28.18/0.170 | 48.15/0.906 | |
|
| ||||||
| Camera | 15 | 39.32/0.577 | 50.74/0.979 | 47.72/0.959 | 42.89/0.741 | 55.32/0.990 |
| 20 | 35.77/0.429 | 48.36/0.964 | 45.32/0.932 | 40.04/0.629 | 53.11/0.985 | |
| 30 | 31.67/0.295 | 45.89/0.935 | 41.92/0.864 | 36.31/0.458 | 52.81/0.976 | |
| 40 | 29.03/0.225 | 43.43/0.894 | 39.45/0.788 | 33.69/0.347 | 50.47/0.961 | |
| 50 | 27.04/0.179 | 43.79/0.806 | 37.54/0.709 | 31.70/0.271 | 50.71/0.952 | |
| 75 | 23.47/0.112 | 41.16/0.359 | 34.05/0.535 | 28.17/0.162 | 48.06/0.902 | |
|
| ||||||
| Couple | 15 | 38.82/0.719 | 50.82/0.980 | 47.75/0.960 | 42.95/0.746 | 55.57/0.991 |
| 20 | 35.61/0.584 | 48.40/0.967 | 45.34/0.933 | 40.09/0.634 | 53.26/0.986 | |
| 30 | 31.64/0.411 | 45.87/0.936 | 41.90/0.865 | 36.33/0.463 | 52.98/0.978 | |
| 40 | 29.02/0.305 | 43.44/0.895 | 39.45/0.288 | 33.76/0.350 | 50.57/0.963 | |
| 50 | 27.03/0.233 | 43.82/0.807 | 37.54/0.711 | 31.69/0.275 | 50.83/0.954 | |
| 75 | 23.47/0.132 | 41.19/0.359 | 34.05/0.535 | 28.18/0.166 | 48.14/0.905 | |
|
| ||||||
| Lax | 15 | 38.39/0.751 | 50.80/0.980 | 47.76/0.959 | 42.64/0.717 | 55.65/0.992 |
| 20 | 35.46/0.636 | 48.38/0.966 | 45.34/0.931 | 39.86/0.600 | 53.29/0.986 | |
| 30 | 31.61/0.470 | 45.88/0.935 | 41.91/0.863 | 36.20/0.425 | 52.97/0.977 | |
| 40 | 29.01/0.357 | 43.39/0.894 | 39.45/0.787 | 33.59/0.313 | 50.55/0.962 | |
| 50 | 27.02/0.277 | 43.83/0.806 | 37.53/0.710 | 31.61/0.241 | 50.78/0.953 | |
| 75 | 23.47/0.160 | 41.20/0.359 | 34.05/0.536 | 28.11/0.140 | 48.08/0.903 | |
|
| ||||||
| Man | 15 | 38.79/0.690 | 50.74/0.979 | 47.73/0.959 | 42.88/0.739 | 55.37/0.990 |
| 20 | 35.61/0.552 | 48.36/0.965 | 45.33/0.931 | 40.03/0.627 | 53.13/0.985 | |
| 30 | 31.64/0.381 | 45.89/0.935 | 41.90/0.863 | 36.29/0.454 | 52.85/0.976 | |
| 40 | 29.02/0.279 | 43.38/0.894 | 39.45/0.786 | 33.67/0.342 | 50.48/0.961 | |
| 50 | 27.03/0.212 | 43.77/0.806 | 37.53/0.708 | 31.67/0.267 | 50.71/0.952 | |
| 75 | 23.47/0.119 | 41.19/0.358 | 34.05/0.533 | 28.15/0.159 | 48.05/0.903 | |
|
| ||||||
| Woman1 | 15 | 39.02/0.648 | 50.81/0.996 | 47.75/0.960 | 43.08/0.759 | 55.53/0.991 |
| 20 | 35.68/0.499 | 48.34/0.990 | 45.34/0.933 | 40.18/0.650 | 53.22/0.986 | |
| 30 | 31.66/0.333 | 45.87/0.936 | 41.90/0.865 | 36.39/0.479 | 52.91/0.978 | |
| 40 | 29.02/0.240 | 43.38/0.895 | 39.45/0.788 | 33.73/0.366 | 50.52/0.962 | |
| 50 | 27.03/0.181 | 43.81/0.807 | 37.54/0.710 | 31.71/0.289 | 50.74/0.954 | |
| 75 | 23.47/0.102 | 41.19/0.358 | 34.05/0.534 | 28.20/0.177 | 48.06/0.904 | |