Table 1.

Root-mean-square-error (RMSE) comparison.

	Art	Dolls	Laundry	Moebius	Reindeer
Synthesized noisy image	3.304	4.542	2.534	2.667	2.682
RTV [24]	4.832	4.789	3.209	3.703	3.496
Bilateral filter [17]	3.495	4.544	2.642	2.750	2.802
Domain transform [25]	3.292	4.320	2.544	2.655	2.621
Mean filter	3.651	4.578	2.754	2.829	2.894
Median filter	2.446	2.490	1.573	1.704	1.735
SWMF (proposed)	1.993	2.451	1.342	1.664	1.585