Noise parameters (Variance and Density) | Mean filter | Wiener filter | Wavelet transform | Improved Method | Before denoising |
(0.02%, 2%) | 327.0046 | 578.4908 | 457.4564 | 310.4015 | 1416.1191 |
(0.015%, 1.5%) | 284.8747 | 448.6212 | 347.3855 | 241.4228 | 1071.9720 |
(0.01%, 1%) | 240.5693 | 327.1221 | 242.7492 | 176.2127 | 760.1754 |
(0.005%, 0.5%) | 202.2810 | 177.9278 | 135.9694 | 102.1227 | 383.7669 |