Table 5: Comparative restoration results in PSNR (dB) and MAE (the second row) for mixed noise ( %sp, : salt-and-pepper and Gaussian; %rv, : random-valued impulse and Gaussian; %: salt-and-pepper and random-valued impulse noise).

MethodLena imageBoats image
%sp, %rv, % %sp, %rv, %

Noisy image12.3616.0313.8712.2515.7613.27
15.5410.1215.8616.7011.5618.59
3 × 3 median filter27.9829.3827.9426.9127.7025.86
3.0213.0811.7463.5053.3882.020
5 × 5 median filter29.3929.2228.9226.8726.7826.23
2.6162.8671.9983.5543.6072.549
Bilateral filter23.6625.0022.7722.7223.6421.33
7.3026.1074.2056.9595.7544.587
SDROM30.8430.7733.1329.2329.3429.91
2.2562.8940.9802.8473.0011.401
ROAD-TRIF31.3431.5332.7429.4929.6229.94
2.2212.3011.2012.8232.9381.336
ROLD-EPR30.9531.5332.8928.9129.6430.12
2.2332.3001.1402.8982.9111.201
RORD-WMF31.6331.5433.5329.7529.7030.31
2.1812.2980.9172.7162.9081.129
DWM30.9230.7932.1829.0328.8929.10
2.2512.8361.2683.3173.2471.354
SBF31.5730.9732.8129.6429.1329.97
2.2082.5991.1552.7973.1201.313
SG-DARD-TRIF31.9331.5633.0630.2429.7930.02
2.1772.2911.0042.6452.8981.293