Table I.
Number of iterations of the 3D reconstructions
| No. of iterations | ||||
|---|---|---|---|---|
| Beam model | Uniform background | Back-projection | Profile-based without correction |
Profile-based with correction |
| Single beam | 19 | 13 | 9 | 6 |
| Prostate plan | 17 | 12 | 6 | 5 |
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