Table 4.

Parameters of the test cases in Figs. 910.

Abbr.	N0	Approx. MGD	${\sigma }_{\mathrm{elec}}^2$	Limiting factor
A	5 × 1011	2 mGy	0	Anatomical variability
Q	108	0.4 μGy	0	Quantum noise
E	108	0.4 μGy	10−9	Electronic noise