Circle Plus Partial Helical Scan Scheme for a Flat Panel Detector-Based Cone Beam Breast X-Ray CT

Table 1

Partial helical scan parameters.

Iso distance	Magnification factor	Detector pixel pitch	Number of projections	Detector size	Scanning starting position	Scanning ending position	Sampling interval along scanning axis
650mm	1.43	0.388mm	32	661×661	𝑍=49mm	𝑍=121mm	Δ𝑙=2.34mm
			(64)				(Δ𝑙=1.15mm)