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EJNMMI Physics
Fig. 2 | EJNMMI Physics

Fig. 2

From: Comparison of NEMA characterizations for Discovery MI and Discovery MI-DR TOF PET/CT systems at different sites and with other commercial PET/CT systems

Fig. 2

a Contrast recovery (%) and b background variability (%) for Discovery MI, and Discovery MI-DR PET/CT systems using VPHD (3D OSEM), VPHD-S (3D OSEM + PSF), VPFX (3D OSEM + TOF), VPFX-S (3D OSEM + TOF + PSF) reconstruction algorithms and Q.Clear with β = 50, 200, and 350. Results obtained at Hadassah for VPFX reconstruction algorithms are compared to Stanford and Uppsala [2], Tokyo [3] and Brugge [4] measurements for DMI (c-d) and to Southampton-Poole-Plymouth [5] for DMI-DR (e-f)

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