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Computation time of each key step in gDRR. MC simulation time for EGSnrc is also included.
| MC simulation |
||||
|---|---|---|---|---|
| Ray-tracing (s) | gDRR (s) | EGSnrc (CPU-s) | Denoising and noise calibration (s) | |
| Catphan | 1.2 | 28.1 | 7.2 × 103 | 0.041 |
| HN patient | 2.3 | 95.3 | 2.7 × 104 | 0.042 |
