MR Image Reconstruction Based on Iterative Split Bregman Algorithm and Nonlocal Total Variation

Table 2

Comparison of the average values of quality evaluation parameters (Rician noise case).

	Image	TVCMRI	RecPF	CSA	FCSA	SB-TV	Proposed
SNR (dB)	Brain	13.31	13.85	14.81	15.31	16.24	17.08
	Chest	15.30	15.50	15.45	15.69	16.67	17.18
	Artery	18.34	19.55	21.26	22.54	23.64	24.28
	Cardiac	14.68	14.95	14.98	15.26	17.52	18.93
RE (%)	Brain	17.15	16.78	13.01	12.39	10.36	10.01
	Chest	13.19	12.94	11.58	10.98	09.38	08.81
	Artery	13.24	12.46	06.76	05.95	05.04	04.71
	Cardiac	15.06	14.73	12.69	10.24	09.89	08.96
SSIM	Brain	0.9511	0.9625	0.9787	0.9807	0.9860	0.9870
	Chest	0.9747	0.9762	0.9801	0.9816	0.9828	0.9889
	Artery	0.9810	0.9824	0.9832	0.9889	0.9904	0.9924
	Cardiac	0.9582	0.9592	0.9697	0.9717	0.9812	0.9858
FSIM	Brain	0.8499	0.8562	0.8994	0.9082	0.9290	0.9339
	Chest	0.8860	0.8968	0.9031	0.9067	0.9221	0.9298
	Artery	0.8652	0.8797	0.9424	0.9566	0.9672	0.9715
	Cardiac	0.9220	0.9304	0.9352	0.9404	0.9518	0.9565
CPU time (s)	Brain	2.10	2.05	1.96	1.88	1.78	1.62
	Chest	2.26	2.14	1.97	1.85	1.73	1.63
	Artery	2.18	2.14	1.88	1.84	1.74	1.63
	Cardiac	2.10	2.12	1.84	1.82	1.79	1.67