A Coordinate Descent Method for Total Variation Minimization

Table 5

Deblurring results comparison for isotropic TV model. T stands for TwIST, F stands for FISTA, S stands for SALSA, and A stands for ALMCD.

Image	CPU time (seconds)				PSNR				SSIM
	T	F	S	A	T	F	S	A	T	F	S	A
Couple	25.57	33.11	17.77	2.64	28.16	27.95	28.38	28.47	0.905	0.895	0.908	0.914
Man	22.69	34.94	14.28	2.51	28.42	28.22	28.65	28.62	0.892	0.885	0.899	0.899
Hill	17.00	33.57	18.94	2.53	29.21	29.34	29.55	29.53	0.888	0.891	0.890	0.902
Boat	23.66	33.31	15.29	2.57	28.10	27.73	28.30	28.38	0.907	0.893	0.909	0.913
Average	22.23	33.73	16.57	2.56	28.47	28.31	28.72	28.75	0.898	0.891	0.905	0.907