Table 2 Validation of our in-house NEMA spatial resolution tool
Profile direction | GE console (mm) | In-house tool (mm) | Relative difference (%) | |||
|---|---|---|---|---|---|---|
FWHM | FWTM | FWHM | FWTM | FWHM (%) | FWTM (%) | |
1 cm radial offset | ||||||
Radial | 4.47 | 8.86 | 4.34 | 8.48 | − 2.9 | − 4.3 |
Tangential | 4.29 | 8.57 | 4.17 | 8.20 | − 2.8 | − 4.3 |
Axial | 4.63 | 10.23 | 4.49 | 10.07 | − 2.9 | − 2.1 |
10 cm radial offset | ||||||
Radial | 5.58 | 10.65 | 5.66 | 11.30 | 1.5 | 6.1 |
Tangential | 4.53 | 9.76 | 4.40 | 9.77 | − 2.8 | 0.2 |
Axial | 6.23 | 11.98 | 6.21 | 11.79 | − 1.0 | − 1.6 |
20 cm radial offset | ||||||
Radial | 7.40 | 14.14 | 7.27 | 14.35 | − 1.8 | 1.5 |
Tangential | 5.18 | 9.72 | 5.10 | 9.88 | − 1.4 | 1.6 |
Axial | 6.27 | 12.24 | 6.29 | 12.45 | 0.4 | 1.8 |