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