Table 6 Average spatial resolution (FWHM in [\(\hbox {mm}\)]) at different radial offsets from the center of the FOV with associated reconstruction algorithms (RA) [3, 18,19,20,21,22]
From: SAFIR-I: first NEMA NU 4-2008-based performance characterization
Radial offset | ||||||
|---|---|---|---|---|---|---|
System | RM | Crystal size [\(\hbox {mm}^{3}\)] | \(5\,\hbox {mm}\) | \(10\,\hbox {mm}\) | \(15\,\hbox {mm}\) | \(25\,\hbox {mm}\) |
SAFIR-I | FBP3DRP | \(2.12 \times 2.12 \times 13.00\) | 2.55 | 3.02 | 3.14 | 3.19 |
SAFIR p.s. | FBP3DRP | \(2.12 \times 2.12 \times 13.00\) | 2.56 | 2.79 | 3.05 | 3.14 |
Mosaic | FBP3DRP | \(2.0 \times 2.0 \times 10.0\) | 3.05\(^a\) | 3.08\(^a\) | 3.17\(^a\) | 3.37\(^a\) |
MuPET | SSRB FBP | \(1.24 \times 1.40 \times 9.50\) | 1.27 | 1.30 | 1.36 | 1.43 |
Inveon | FORE\(^b\) + 2DFBP | \(1.5 \times 1.5 \times 10.0\) | 1.83\(^a\) | 1.93\(^a\) | 1.90\(^a\) | 2.00\(^a\) |
Bruker | MLEM | \(50.0 \times 50.0 \times 10.0^{c}\) | 0.88 | 0.93 | 0.90 | 0.95 |