An adaptive bandwidth nonlocal means image denoising in wavelet domain

EURASIP Journal on Image and Video Processing

Table 2 Denoising performances (dB) of various methods for the mixed noise, additive non-Gaussian noise, and Poisson noise

Image	Noise	Noisy	BLS-	BM3D	Poisson NL	Proposed
		PSNR	GSM [4]	[6]	[21]	method
Barbara	20% impulse noise	18.42	22.14	25.50	20.36	28.23
Lena	20% impulse noise + Gaussian (σ = 10)	17.98	22.06	25.27	20.36	28.92
Boat	10% impulse noise + Gaussian (σ = 10)	18.14	22.15	24.85	24.10	27.85
Boat	10% impulse noise + 10% uniform noise	11.95	27.38	30.50	20.48	29.60
Barbara	Poisson noise, σ = 2	16.95	19.13	17.82	27.04	26.56
Lena	Poisson noise, σ = 2	16.33	19.22	19.46	29.38	28.54
Boat	Poisson noise, σ = 2	15.95	18.44	18.45	26.70	26.54