EURASIP Journal on Image and Video Processing

Table 1 The PSNR values of denoised results for different test images and noise levels (σ_n) of (A) noisy, (B) system in [2], (C) system in [20], (D) system in [5], (E) system in [6], (F) system in [8], (G) system in [9], and (H) proposed system.

From: A New Denoising System for SONAR Images

	(A)	(B)	(C)	(D)	(E)	(F)	(G)	(H)
Lena					Not l.e.
	28.18	—	—	35.34	34.75	35.61	35.24	35.36
	24.65	—	—	33.67	33.03	33.90	33.46	33.68
	22.14	—	—	32.40	31.87	32.66	32.20	32.43
	20.17	—	29.41	31.40	30.89	31.69	31.21	31.49
	18.62	—	—	30.54	30.18	—	30.33	30.83
	14.15	—	—	28.27	—	28.61	—	28.56
	8.13	—	—	25.18	—	25.64	—	25.47
Boats					with l.e.
	28.15	32.90	—	33.10	33.09	33.58	33.25	33.33
	24.62	30.85	—	31.36	31.44	31.70	31.32	31.45
	22.10	29.47	—	30.08	30.19	30.38	29.93	30.14
	20.17	28.44	28.55	29.06	29.21	29.37	28.89	29.12
	18.58	27.63	—	28.31	28.51	—	28.04	28.38
	24.74	25.50	—	26.01	—	26.38	—	26.12
	22.44	22.97	—	23.31	—	23.75	—	23.45
Barbara
	28.13	32.18	—	33.53	—	34.03	33.46	33.78
	24.61	29.66	—	31.31	—	31.86	31.19	31.57
	22.11	27.98	—	29.80	—	30.32	29.53	30.03
	20.17	26.76	26.72	28.61	—	29.13	28.23	28.88
	18.62	25.83	—	27.65	—	—	27.17	27.93
	14.15	23.70	—	25.40	—	25.48	—	25.45
	8.13	21.76	—	22.54	—	22.61	—	22.63

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