Contrast and Background Noise for Each Iteration
| Contrast | ||||||||
|---|---|---|---|---|---|---|---|---|
| 10 mm | 13 mm | 17 mm | Noise (%) | |||||
| Iteration | Non-TOF | TOF | Non-TOF | TOF | Non-TOF | TOF | Non-TOF | TOF |
| 1 | 1.87 | 3.00 | 2.75 | 3.92 | 3.81 | 5.17 | 2.5 | 2.1 |
| 2 | 2.91 | 4.32 | 4.19 | 5.28 | 5.49 | 6.18 | 3.4 | 3.3 |
| 3 | 3.76 | 4.96 | 5.06 | 5.75 | 6.11 | 6.47 | 4.2 | 4.4 |
| 4 | 4.35 | 5.34 | 5.55 | 5.98 | 6.39 | 6.61 | 5.0 | 5.4 |
| 5 | 4.76 | 5.58 | 5.83 | 6.13 | 6.56 | 6.70 | 5.8 | 6.3 |
| 6 | 5.05 | 5.75 | 6.02 | 6.22 | 6.67 | 6.76 | 6.5 | 7.1 |
| 7 | 5.27 | 5.86 | 6.15 | 6.28 | 6.74 | 6.82 | 7.2 | 7.8 |
| 8 | 5.44 | 5.98 | 6.25 | 6.33 | 6.80 | 6.85 | 7.9 | 8.6 |
Shaded cells correspond to optimal iteration number for a given reconstruction method.