Table 1 3D resolution (FWHM) in air at three positions within the FOV for various reconstruction algorithms
From: Performance evaluation of a novel brain-dedicated SPECT system
FWHM source 1 [mm] | FWHM source 2 [mm] | FWHM source 3 [mm] | |
|---|---|---|---|
Activity | 1.13 MBq | 1.77 MBq | 1.95 MBq |
Location | 7.3 cm left and 5.0 cm caudal of source 2 | Center FOV | 7.3 cm right and 5.0 cm cranial of source 2 |
Clinical reconstruction algorithm | X: 6.9 Y: 7.4 Z: 6.6 | X: 5.5 Y: 6.1 Z: 5.5 | X: 7.8 Y: 8.5 Z: 7.8 |
High-resolution reconstruction algorithm | X: 3.3 Y: 3.9 Z: 3.9 | X: 2.4 Y: 2.8 Z: 3.5 | X: 4.0 Y: 4.7 Z: 5.9 |
Research reconstruction algorithm | X: 6.6 Y: 7.1 Z: 6.3 | X: 5.2 Y: 5.7 Z: 5.1 | X: 7.1 Y: 7.6 Z: 7.4 |