Table 1 Spatial resolution obtained in the centre of the FOV and in the off-centre position for different reconstruction settings. Radial, tangential and axial resolutions are expressed as FWHM (FWTM) in mm
From: PET imaging and quantification of small animals using a clinical SiPM-based camera
Centre | Off-centre | |||||
|---|---|---|---|---|---|---|
Radial | Tangential | Axial | Radial | Tangential | Axial | |
FBP | 3.86 (7.03) | 3.90 (7.08) | 3.91 (7.13) | 4.20 (7.69) | 4.23 (7.77) | 4.22 (7.78) |
3D-OSEM | 3.13 (5.68) | 3.17 (5.78) | 3.17 (5.77) | 3.59 (6.56) | 3.62 (6.60) | 3.67 (6.64) |
PSF | 1.80 (3.35) | 1.79 (3.28) | 1.85 (3.48) | 1.78 (3.22) | 1.79 (3.27) | 1.81 (3.50) |