Fig. 9From: Quantitative evaluation of PSMA PET imaging using a realistic anthropomorphic phantom and shell-less radioactive epoxy lesionsContrast-to-noise ratio (CNR) and signal-to-noise ratio (SNR) metrics. (Top to bottom) CNR and SNR plotted vs. lesion diameter, using RCmean with gradient segmentation. (Left to right) Reconstruction algorithms using OSEM + PSF (24 and 32 subsets, respectively) and BSREMBack to article page