Table 3. Mean and standard deviation of the MSR and CNR measures for four test images acquired from different positions using the Tikhonov [58], New SURE [59], K-SVD [34], BM3D [47], and the MSBTD method. The best results in the table are shown in bold.

	Original	Tikhonov [58]	New SURE [59]	K-SVD [34]	BM3D [47]	MSBTD
Mean (CNR)	1.18	3.26	2.81	5.00	4.93	6.04
Standard deviation (CNR)	0.17	0.22	0.25	0.04	0.39	0.71
Mean (MSR)	3.22	7.64	7.58	12.73	12.96	16.32
Standard deviation (MSR)	0.08	0.63	0.48	1.86	2.52	3.95