![]() Illustrative image reconstructions were provided. Experimental and simulated data were found to be in good agreement, with overall differences lower than 10% for activity concentrations used in most standard clinical applications. Four sets of experiments were performed: (1) count rates and scatter fraction, (2) energy and timing resolutions, (3) sensitivity, and (4) intrinsic spatial resolution. ![]() ![]() An original line of response-based method is proposed to estimate intrinsic spatial resolution without reconstruction. Comparisons were performed using listmode data in order to remain independent of image reconstruction algorithms. It was evaluated against experimental data in accordance with NEMA guidelines. A GATE Monte Carlo model of the Philips Vereos digital photon counting PET imaging system using silicon photo-multiplier detectors was proposed.
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