Table 3.

DBT model source, detector, and dose parameters.

Source Parameters:
Monoenergetic source ($\overline{\mathcal{E}}$)	20 keV
Maximum scan angle (${\theta }_{\mathrm{scan}}$)	96°
Source-image distance (at θ = 0°)	65 cm
Detector Parameters:
Detector type	Indirect (CsI:Tl)
Pixels per projection (M)	520 × 140
Pixel Area (A)	0.25 mm2
Phosphor efficiency (η)	0.7
Optical gain ($\overline{k}$)	1050
Electronic gain (Γ)	5.13 × 10−9
Dose Parameters:
mGy per source photon (at 0°)	4.2 × 10−12