An adaptive switching filter based on approximated variance for detection of impulse noise from color images

SpringerPlus

Table 1 Various measuring criteria and their values at different values of α and η at different noise ratio, for the proposed filter for FVN

Values of α and η	FVN				FVN				FVN				FVN
	.10				.20				.80				.90
	NCD	PSNR	MAE	TIME	NCD	PSNR	MAE	TIME	NCD	PSNR	MAE	TIME	NCD	PSNR	MAE	TIME
Lower values of α
0.5, 0.5	0.0043	37.242	0.669	5.450	0.005	35.511	1.139	7.260	0.017	27.312	5.61	15.44	0.0220	24.946	7.90	16.44
0.4, 0.6	0.0040	37.315	0.668	5.563	0.005	35.541	1.148	7.475	0.020	26.335	6.66	16.37	0.0221	23.928	9.62	17.25
0.3, 0.7	0.0040	37.246	0.689	5.574	0.005	35.074	1.242	7.420	0.024	23.967	9.83	16.17	0.0302	21.868	13.6	17.34
Higher values of α
0.6, 0.4	0.0058	37.169	0.670	5.506	0.005	35.421	1.145	7.458	0.014	27.568	5.28	16.23	0.0218	25.893	6.80	17.27
0.7, 0.3	0.0058	37.204	0.669	5.559	0.005	35.577	1.137	7.379	0.018	27.866	5.15	16.28	0.0201	25.931	6.65	17.35
0.8, 0.2	0.0054	37.222	0.674	5.545	0.005	35.291	1.163	7.483	0.017	27.508	5.25	16.34	0.0211	25.851	6.66	17.37