Table 3 NEMA NU 2-2012 performance characteristics
From: Performance evaluation of a new high-sensitivity time-of-flight clinical PET/CT system
FWHM | ||||
|---|---|---|---|---|
Spatial resolution (mm) | FBP | 1 cm | Transverse | 3.59 |
Axial | 3.67 | |||
10 cm | Transverse radial | 4.38 | ||
Transverse tangential | 3.78 | |||
Axial | 4.65 | |||
20 cm | Transverse radial | 5.95 | ||
Transverse tangential | 4.68 | |||
Axial | 6.48 | |||
PSF-OSEM | 1 cm | Transverse | 1.41 | |
Axial | 1.68 | |||
10 cm | Transverse radial | 1.67 | ||
Transverse tangential | 2.07 | |||
Axial | 2.3 | |||
20 cm | Transverse radial | 1.81 | ||
Transverse tangential | 2.11 | |||
Axial | 2.32 | |||
Sensitivity (cps/kBq) | 0 cm | 10.7 | ||
10 cm | 10.4 | |||
Scatter fraction | 38.2% | |||
Peak NECR | 216.7 kcps at 29.1 kBq/ml | |||
Peak trues | 818.6 kcps at 38.2 kBq/ml | |||