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. 2020 Mar;61(3):461–468. doi: 10.2967/jnumed.119.231308

FIGURE 1.

FIGURE 1.

Recovery coefficients (RCs) for hot rods of 1, 2, 3, 4, and 5 mm of the PET IQ phantom extracted for each scanner. (A) Default reconstruction methods for scanners 1 (2D OSEM 2 iterations 16 subsets), 2 (3D OSEM 4 iterations 6 subsets, PSF), 3 (3D OSEM 2 iterations 18 subsets, PSF), 4 (3D MLEM 12 iterations), and 5 (2D MLEM 50 iterations). (B) RCs with standardization for scanner 4 (3D MLEM 25) and scanner 5 (2D MLEM 25) leaving scanners 1, 2, and 3 with the default reconstruction method. (C) RCs for each site using FBP reconstruction with the exception of scanner 4 (reconstruction option not available yet).