Impulse Noise Filtering Using Robust Pixel-Wise S-Estimate of Variance

EURASIP Journal on Advances in Signal Processing

Table 1 Filtering results in PSNR (dB) for images corrupted with mixed impulse noise.

	Lena			Goldhill			Boats			Bridge
Methods
Noisy	13.95	10.91	9.14	13.82	10.81	9.04	13.76	10.75	8.99	13.61	10.63	8.88
MED3 3	30.97	27.05	22.66	29.26	26.83	22.92	28.64	25.55	21.98	24.61	22.68	20.06
TSM	33.85	26.32	19.79	31.86	25.99	19.68	31.15	25.18	19.34	26.93	23.11	18.36
ACWM	34.72	28.86	23.09	32.52	28.37	22.94	31.78	27.04	22.08	27.17	23.96	20.24
SDROM	34.74	28.87	23.47	32.97	28.39	23.26	31.85	27.39	22.48	27.56	24.25	20.57
PSM	28.96	27.51	25.66	28.83	27.12	25.11	28.89	26.17	23.90	26.84	23.74	21.59
PWMAD	34.77	28.88	19.59	32.38	27.85	19.22	31.69	26.93	18.94	27.22	23.68	17.80
Trilateral	33.98	25.68	16.37	32.18	25.40	16.10	31.39	24.70	16.02	27.12	22.38	15.10
DWM	34.49	30.95	26.49	32.22	29.28	25.84	31.41	28.22	24.57	26.40	24.33	21.78
FRINR	35.24	30.88	24.96	32.70	29.05	24.51	32.53	27.91	22.67	27.55	24.16	19.39
GP	35.49	30.73	24.73	32.97	29.55	24.47	32.39	28.40	23.56	27.60	24.83	21.28
ACWM-EPR	35.88	30.50	22.74	33.36	29.12	22.29	32.88	28.49	21.64	26.91	24.56	19.97
ROLD-EPR	35.08	30.66	25.31	33.26	29.90	24.85	32.58	27.72	22.84	28.04	24.28	20.42
PWS-EPR	36.38	31.46	27.23	33.95	30.10	26.78	33.49	28.43	24.58	28.10	24.84	21.97