TABLE 1
CV of Background on Phantom Images
CV of background (%)
*
Acquisition time
Voxel size
OSEM
OSEM+PSF
OSEM+TOF
120 min
4 mm
2.9
2.8
2.3
2 mm
4.4
3.7
3.5
2 min
4 mm
15.0 ± 1.4
14.0 ± 2.1
13.0 ± 1.0
2 mm
28.7 ± 3.7
21.4 ± 3.6
24.6 ± 0.4
↵
*
Data are mean, or mean ± SD.