A Coordinate Descent Method for Total Variation Minimization

Table 2

PSNR comparisons of different noise levels.

Image	Method	Anisotropic TV				Isotropic TV
		0.05	0.10	0.15	0.20	0.05	0.10	0.15	0.20
Couple	CGC	30.72	27.17	25.25	24.10	—	—	—	—
	CPD	30.69	27.12	25.14	24.07	30.73	27.49	25.57	24.55
	CFP	30.66	27.08	25.11	24.10	30.71	27.43	25.49	24.47
	CoD	30.77	27.22	25.39	24.27	30.68	27.49	25.75	24.73
Man	CGC	31.10	27.84	26.16	25.10	—	—	—	—
	CPD	31.15	27.93	26.21	25.15	31.38	28.35	26.61	25.61
	CFP	31.12	27.90	26.21	25.15	31.35	28.29	26.58	25.49
	CoD	31.22	27.86	26.21	25.09	31.25	28.21	26.62	25.51
Hill	CGC	31.00	27.96	26.42	25.44	—	—	—	—
	CPD	31.07	28.13	26.58	25.72	31.19	28.42	26.87	25.99
	CFP	31.04	28.09	26.58	25.72	31.16	28.36	26.80	25.90
	CoD	31.10	27.97	26.44	25.33	31.14	28.34	26.88	25.84
Boat	CGC	30.85	27.48	25.66	24.43	—	—	—	—
	CPD	30.89	27.48	25.52	24.31	31.03	27.91	26.09	24.88
	CFP	30.85	27.44	25.5	24.35	31	27.84	25.94	24.78
	CoD	30.94	27.5	25.76	24.56	30.96	27.81	26.12	25.00
Avg.	CGC	30.92	27.61	25.87	24.77	—	—	—	—
	CPD	30.95	27.66	25.86	24.81	31.08	28.04	26.28	25.26
	CFP	30.92	27.63	25.85	24.83	31.06	27.98	26.2	25.16
	CoD	31.01	27.64	25.95	24.81	31.01	27.96	26.34	25.27