An Efficient Universal Noise Removal Algorithm Combining Spatial Gradient and Impulse Statistic
Figure 6
(a) Part of the original Boats image. (b) Image corrupted with mixed noise (random-valued impulse and Gaussian noise; %, ). (c) median filter. (d) median filter. (e) ROAD-TRIF. (f) ROLD-EPR. (g) RORD-WMF. (h) DWM filter. (i) SG-DARD-TRIF.