Improved BM3D image denoising using SSIM-optimized Wiener filter

EURASIP Journal on Image and Video Processing

Table 2 Performance comparison of normal profile and proposed method

Noise	BM3D	Proposed	PSNR	% PSNR	BM3D	Proposed	SSIM	% SSIM
level	PSNR	PSNR	gain	gain	SSIM	SSIM	gain	gain
10	34.17	34.16	– 0.01	– 0.029%	0.903	0.903	0.000	0.000%
20	31.04	31.10	0.06	0.002%	0.843	0.844	0.001	0.119%
30	29.08	29.28	0.20	0.688%	0.789	0.795	0.006	0.760%
40	27.42	27.87	0.45	1.641%	0.731	0.751	0.020	2.736%
50	26.79	27.05	0.26	0.971%	0.702	0.719	0.017	2.422%
60	25.85	26.28	0.43	1.663%	0.656	0.690	0.034	5.183%
70	25.06	25.65	0.59	2.354%	0.615	0.664	0.049	7.967%
80	24.37	25.11	0.74	3.037%	0.575	0.641	0.066	11.478%
90	23.70	24.59	0.89	3.755%	0.534	0.617	0.083	15.543%
100	23.15	24.18	1.03	4.449%	0.500	0.600	0.100	20.000%