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Table 3 Reconstruction parameters used for the PET/MR phantom and healthy subject scans

From: Cross-validation study between the HRRT and the PET component of the SIGNA PET/MRI system with focus on neuroimaging

PET/MR Matrix size In-plane FOV [cm] Voxel size
[mm3]
Iterations Subsets PSF correction Filter
Phantom data Healthy subject data Phantom data Healthy subject data Phantom data Healthy subject data Phantom data Healthy subject data
TOF 128 × 128 × 89 256 × 256 × 89 35.6 2.781 × 2.781 × 2.780 1.391 × 1.391 × 2.780 1 up to 10 4 28 None None None
TOF + filter 128 × 128 × 89 256 × 256 × 89 35.6 2.781 × 2.781 × 2.780 1.391 × 1.391 × 2.780 1 up to 10 4 28 None 3.5 mm FWHM gaussian in all 3 dimensions 3.5 mm Gaussian transaxial and 3-point axial convolution filter
TOF + PSF 128 × 128 × 89 256 × 256 × 89 35.6 2.781 × 2.781 × 2.780 1.391 × 1.391 × 2.780 1 up to 10 4 28 Yes (PSF correction was implemented following the approach from [17]) None None
TOF + PSF + filter 128 × 128 × 89 256 × 256 × 89 35.6 2.781 × 2.781 × 2.780 1.391 × 1.391 × 2.780 1 up to 10 4 28 Yes (PSF correction was implemented following the approach from [17]) 3.5 mm FWHM gaussian in all 3 dimensions 3.5 mm Gaussian transaxial and 3-point axial convolution filter