Fig. 7From: Performance characteristics of silicon photomultiplier based 15-cm AFOV TOF PET/CTContrast recovery and background variability according to NEMA NU2-2018. Contrast recovery data are given in the upper panel and background variability in the lower panel. Data are represented for TOF OSEM reconstruction without PSF correction. The data from Fig. 5 are depicted as a referenceBack to article page