Table 2: Comparative restoration results in PSNR (dB) and MAE (the second row) for salt-and-pepper noise.

MethodLena imageBoats image
% % % % % % % %

Noisy image12.4210.679.4008.46012.3210.529.3008.340
12.4218.6024.6730.9513.4920.5127.2733.86
3 × 3 median filter29.5723.9519.0615.3927.9123.1118.9015.20
1.6632.5194.7258.4732.2763.1364.8348.555
5 × 5 median filter30.2229.5028.1224.4127.3326.6825.7023.05
1.9632.1392.4233.0523.0493.2203.3904.160
ACWMF31.0929.8128.2324.2327.4126.7125.6522.89
1.2051.8862.3063.2072.9773.1823.3134.404
SDROM37.7435.5032.4530.8133.7630.5728.8626.22
0.5110.8101.1301.5460.8701.5771.9912.863
ROAD-TRIF34.8131.1527.4123.1032.1227.9624.1821.96
0.8471.2972.6173.6121.0132.5484.1774.886
DWM35.6433.3730.6527.0232.2729.9327.9525.05
0.7891.0131.5532.6520.9961.7322.7803.380
DARD-BF38.4435.6133.2231.3434.3931.6729.3927.73
0.3820.7891.0131.2900.7331.3341.6722.146
SG-DARD-TRIF38.5235.7533.3431.5234.4531.8129.8127.94
0.3690.7570.9711.1030.7161.0801.4782.091