An adaptive bandwidth nonlocal means image denoising in wavelet domain

EURASIP Journal on Image and Video Processing

Table 1 Denoising performances (dB) of various methods for the pseudo white Gaussian noise

Denoising	σ _n	Barbara	Lena	Hill	Peppers
method		512	512	512	256
Nonlinear	20	25.79	30.55	29.07	28.87
TV[3]	30	23.96	26.37	25.84	25.76
Nonlocal	20	28.78	31.01	29.16	29.86
means[5]	30	26.65	29.22	27.26	27.53
Prob	20	29.30	31.80	29.65	29.80
shrink[18]	30	27.02	29.96	27.96	27.66
Multi. bi.	20	27.25	30.10	28.82	28.52
[12]	30	25.20	27.60	26.78	26.20
BLS-	20	29.08	32.24	30.10	30.56
GSM [4]	30	26.78	30.45	28.51	28.52
BM3D	20	31.77	33.05	30.71	31.28
[6]	30	29.81	31.26	29.15	29.28
Proposed	20	30.27	31.67	29.78	29.19
method	30	28.27	29.47	28.02	27.62