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Regional bias (%) yielded by different system matrices at the 100th iteration for phantoms 2 and 4. The best performance is highlighted in bold.
| Phantom 2 | Phantom 4 | |||||
|---|---|---|---|---|---|---|
| Bias (%) at 100th iteration | Myocardium | Defect | Blood pool | Myocardium | Defect | Blood pool |
| SM60 | −4.6 | −3.0 | 27.5 | −6.0 | −3.3 | 15.6 |
| SM70 | −4.5 | −3.7 | 16.1 | −5.8 | −4.1 | 7.0 |
| SM128 | −5.1 | −6.3 | 14.6 | −6.7 | −7.1 | 6.3 |
| SM128-BC | −4.0 | −1.8 | 12.6 | −5.7 | −1.9 | 5.1 |
