Table 1.

Detailed description of different datasets, scanning protocols, and number of CT images from different manufacturers.

Dataset	Voxel size ($m{m}^3$)	Matrix size	TR/TE (ms)	Flip angle (degrees)	Scanner	# of images
ITKTubeTK	$0.5\times 0.5\times 0.8$	$448\times 448\times 128$	35/3.56	22	Siemens 3T	109
HH	$0.5\times 0.5\times 0.8$	$512\times 512\times 100$	16.72/5.75	16	Philips 3T	181
IOP	$0.3\times 0.3\times 0.8$	$1024\times 1024\times 92$	26/4.2	25	GE 1.5T	73
Guys	$0.5\times 0.5\times 0.8$	$512\times 512\times 100$	20/6.91	25	Philips 1.5T	316
UU-IAR	$0.5\times 0.7\times 1$	512$\times$512$\times$148–150	25/1.7	20	Philips 3T	46
ADAM	0.2–1 $\times$ 0.2-1 $\times$ 0.4–0.7	512-1024 $\times$ 512–1024 $\times$ 64–180	17.58–45.2 / 2.28–10.36	Multiple values	Philips 1, 1.5 or 3T	113