. Author manuscript; available in PMC: 2020 Dec 1.

Published in final edited form as: IEEE Trans Med Imaging. 2020 Nov 30;39(12):3879–3890. doi: 10.1109/TMI.2020.3006461

TABLE I.

Imaging and Reconstruction Parameters

Parameters	Digital phantom simulation	Physical phantom scan	Clinical CTP dataset simulation
Slices	1	3	4
Tube voltage (kVp)	NA	100	80
Tube current (mAs)	NA	200, 120, 60	100, 50, 25
Cycle time (s)	2	1	2
Cycles	27	39	27
Projections per turn	1152	1152	1152
Detectors	728	736	728
Slice thickness (mm)	NA	10	8
Pixel spacing(mm²)	0.75 × 0.75	0.59 × 0.59	0.48 × 0.48
Image size	512 × 512	512 × 512	512 × 512
Axial coverage (mm)	384	300	243.75
Source-to-detector (mm)	NA	1085.6	Unknown
Source-to-patient (mm)	NA	595	Unknown
CDTIvol (mGy)	NA	344,206,103	184,92,46