Table 3. Mean values and STDs of ROI 2 denoted by the red circle in Figure 8A1.

Metric	Energy channel	FBP	TV	LRTA	Proposed
Mean value ± STD	Bin 1	0.0326±0.0029	0.0328±4.76e-4	0.0329±8.39e-4	0.0327±4.29e-4
	Bin 2	0.0340±0.0030	0.0342±2.87e-4	0.0337±9.32e-4	0.0336±5.10e-4
	Bin 3	0.0290±0.0029	0.0292±3.46e-4	0.0291±8.76e-4	0.0292±4.31e-4
	Bin 4	0.0247±0.0020	0.0247±1.36e-4	0.0242±6.42e-4	0.0247±2.44e-4