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Maximum CNR values for the spheres with varied uptake ratios for the 5‐min scan for no compensation, gating, and use of the motion vector field.
| Uptake ratio | No compensation | Gating | Vector field |
|---|---|---|---|
| 1:2 | 2.7 ± 0.3 | 3.2 ± 0.4 | 4.4 ± 0.5 |
| 1:3 | 6.4 ± 0.4 | 7.1 ± 0.6 | 9.9 ± 0.5 |
| 1:4 | 10.0 ± 0.5 | 11.0 ± 1.0 | 15.7 ± 1.2 |
| 1:5 | 13.4 ± 0.5 | 15.1 ± 0.8 | 22.3 ± 0.7 |
