Fig. 4

CRpeak and CRmax. Peak contrast recovery (CRpeak; upper row) and maximum contrast recovery (CRmax; lower row) are displayed for all reconstruction algorithms at the three signal-to-background ratios (SBR) as a function of sphere diameters
CRpeak and CRmax. Peak contrast recovery (CRpeak; upper row) and maximum contrast recovery (CRmax; lower row) are displayed for all reconstruction algorithms at the three signal-to-background ratios (SBR) as a function of sphere diameters