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Table 1 Clinical acquisition and reconstruction set-up for the 3 PET devices

From: Clinical and phantom validation of a deep learning based denoising algorithm for F-18-FDG PET images from lower detection counting in comparison with the standard acquisition

  DMI4 D710 IQ4
Clinical injected activity 3 MBq/kg 3 MBq/kg 3 MBq/kg
Clinical acquisition time 1.5 min/bed 2 min/bed 2 min/bed
Type of reconstruction BPL (Q.Clear) VPFX (OSEM) BPL (Q.Clear)
Sharp-IR Yes Yes Yes
TOF Yes Yes No
Iterations 2
Subsets 24
Regularization parameter 700 350
Matrix size 2562 2562 2562
In plane filter 6.4 mm
Axial filter Heavy
Voxel size (mm) 2.73 × 2.73 × 2.79 2.73 × 2.73 × 3.27 2.73 × 2.73 × 3.27