Fig. 2
From: Digital PET compliance to EARL accreditation specifications
Impact of a Gaussian post-smoothing filter using a kernel width of 2, 3 and 4 mm on RCmean (a) and RCmax (b) for a TOF PET reconstruction with 4 × 4 × 4 mm3 voxels without PSF modelling. For all phantom spheres, both RCmean and RCmax fulfilled EARL accreditation specifications