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Table 2 Results of subjective PET image quality ratings for different reconstruction algorithms. Italicized numbers are the reconstructed datasets yielding the highest score for each assessed parameter

From: Impact of a Bayesian penalized likelihood reconstruction algorithm on image quality in novel digital PET/CT: clinical implications for the assessment of lung tumors

Reconstruction General image quality Image sharpness Lesion conspicuity
Mean SD Mean SD Mean SD
OSEMTOF 3.0 0.6 2.1 0.6 2.1 0.6
OSEMPSF 3.9 0.5 3.3 0.7 3.2 0.6
BSREM350 3.8 0.9 4.3 0.6 4.1 0.8
BSREM450 4.4 0.6 4.5 0.5 4.4 0.6
BSREM600 4.8 0.4 4.6 0.5 4.5 0.5
BSREM800 4.8 0.4 4.2 0.5 4.3 0.7
BSREM1200 4.1 0.5 3.3 0.6 3.6 0.6
  1. BSREM block sequential regularized expectation maximization, OSEM ordered subset expectation maximization, PSF point spread function modelling, TOF time of flight