Iteration-Dependent Resolutions (mm) and Average Resolution Improvement ∆r (Ratio to 6i1S)
| Flash3D | xSPECT | ||||||
| Line source | Line source | ||||||
| Parameter | Center | Off-center | Matched- filter | Center | Off-center | Matched- filter | ∆r |
| 6i1s | 19.3 | 14.6 | 20.7 | 19.4 | 13.1 | 19.5 | 1.0 |
| 12i1s | 14.4 | 11.0 | 13.4 | 14.7 | 9.7 | 13.8 | 1.4 |
| 24i1s | 11.2 | 8.7 | 11.5 | 12.3 | 8.0 | 12.7 | 1.7 |
| 48i1s | 9.2 | 7.4 | 8.8 | 9.7 | 6.2 | 12.0 | 2.0 |
| 72i1s | 8.4 | 6.9 | 9.2 | 8.6 | 5.4 | 11.4 | 2.1 |
| 96i1s | 8.0 | 6.7 | 9.3 | 7.6 | 4.4 | 10.5 | 2.3 |
| 6i6s | 9.9 | 7.8 | 10.9 | 11.9 | 7.8 | 12.6 | 1.8 |
| 12i6s | 8.4 | 6.9 | 9.2 | 10.7 | 6.9 | 11.5 | 2.0 |
| 24i6s | 7.5 | 6.5 | 7.0 | 10.0 | 6.4 | 9.9 | 2.3 |
| 48i6s | 7.0 | 6.4 | 6.9 | 9.2 | 5.9 | 7.8 | 2.5 |
| 72i6s | 7.0 | 6.3 | 6.5 | 8.8 | 5.6 | 8.1 | 2.5 |
| 96i6s | 6.9 | 6.3 | 6.0 | 8.5 | 5.3 | 6.8 | 2.7 |