A Decision-Based Modified Total Variation Diffusion Method for Impulse Noise Removal

Table 8

The PSNR/SSIM results from different methods in SPM.

Methods	Salt-and-pepper noise density
	5%	10%	30%	50%	70%	90%
Miscellaneous image: Barbara
Noisy	18.31/0.44	15.25/0.27	10.49/0.10	8.26/0.05	6.81/0.02	5.72/0.01
MED	25.10/0.81	24.66/0.79	20.89/0.63	14.54/0.24	9.66/0.06	6.42/0.01
WMF	27.06/0.88	26.07/0.86	19.78/0.60	13.44/0.20	9.19/0.05	6.31/0.01
SMF	28.56/0.90	27.02/0.85	23.57/0.70	21.56/0.60	19.49/0.48	11.00/0.13
RAMF	29.25/0.94	28.74/0.93	26.29/0.89	24.01/0.81	21.88/0.69	13.80/0.29
SGM	38.53/0.99	34.99/0.98	29.27/0.94	26.49/0.88	24.54/0.79	22.44/0.64
Ours	38.74/0.99	35.09/0.98	29.51/0.94	26.69/0.88	24.62/0.79	22.53/0.64
Texture image: Straw
Noisy	18.15/0.54	15.08/0.33	10.30/0.11	8.07/0.05	6.61/0.02	5.52/0.01
MED	31.73/0.92	30.55/0.90	22.60/0.76	14.74/0.37	9.58/0.11	6.24/0.02
WMF	32.67/0.94	31.02/0.93	20.72/0.71	13.56/0.31	9.08/0.09	6.14/0.02
SMF	27.86/0.90	25.82/0.84	21.75/0.64	19.55/0.50	17.66/0.36	10.62/0.10
RAMF	36.27/0.97	35.28/0.96	30.90/0.93	27.28/0.85	23.61/0.72	13.73/0.32
SGM	44.01/1.00	40.72/0.99	35.45/0.97	32.02/0.92	28.04/0.81	21.50/0.52
Ours	44.03/1.00	40.89/0.99	35.51/0.97	32.02/0.93	28.05/0.85	21.58/0.55
Biomedical image: Heart
Noisy	17.43/0.27	14.29/0.09	9.52/0.02	7.29/0.01	5.83/0.00	4.75/0.00
MED	42.99/0.98	40.05/0.97	24.17/0.77	14.58/0.23	8.98/0.03	5.56/0.00
WMF	34.95/0.98	31.53/0.98	19.86/0.62	12.81/0.14	8.35/0.02	5.39/0.00
SMF	32.58/0.80	29.50/0.66	24.79/0.40	22.58/0.29	21.13/0.23	10.83/0.10
RAMF	47.39/0.99	46.79/0.99	42.94/0.98	39.17/0.96	33.93/0.92	14.37/0.43
SGM	55.24/1.00	52.00/1.00	46.39/0.99	42.41/0.96	39.19/0.95	34.47/0.82
Ours	55.26/1.00	52.06/1.00	46.42/0.99	42.83/0.97	39.46/0.95	34.58/0.89