Image Restoration Based on Adaptive Dual-Domain Filtering

Table 5

PSNR comparison on 9 color images from the three datasets LIVE1 [15], Set14 [16], and Set5 [17] in Laplace noise removal. One can see that ADDF is clearly better than DDF.

	Methods	Butterfly	Lena	Peppers	Zebra	Couple	Girl	Kodak3	Kodak10	Kodak23	Avg.
	DDF	30.09	32.32	31.30	29.93	32.13	31.45	34.52	33.75	34.83	32.26
	ADDF	30.32	32.38	31.35	30.00	32.16	31.45	34.60	33.81	34.96	32.34
	DDF	27.91	30.66	29.92	27.74	30.06	29.59	32.26	31.49	32.76	30.27
	ADDF	28.05	30.78	30.00	27.83	30.11	29.63	32.32	31.56	32.96	30.36
	DDF	26.51	29.38	28.77	26.33	28.53	28.24	30.71	29.90	31.30	28.85
	ADDF	26.70	29.53	28.94	26.44	28.62	28.29	30.78	29.98	31.57	28.98
	DDF	25.38	28.32	27.77	25.26	27.37	27.17	29.54	28.67	30.10	27.73
	ADDF	25.56	28.58	28.00	25.38	27.55	27.30	29.74	28.85	30.44	27.93
	DDF	24.38	27.41	26.82	24.35	26.41	26.29	28.57	27.66	29.07	26.77
	ADDF	24.56	27.69	27.09	24.51	26.69	26.50	28.90	27.92	29.47	27.04
	DDF	23.49	26.60	25.95	23.57	25.61	25.53	27.77	26.83	28.19	25.95
	ADDF	23.62	26.88	26.22	23.75	25.97	25.80	28.11	27.11	28.56	26.22