Table 1.
Neutron dose and average voxel error before and after optimization.
| Tissue | Neutron dose before optimization (MeV/g) | Average voxel neutron dose error before optimization (%) | Neutron dose after optimization (MeV/g) | Average voxel neutron dose error after optimization (%) |
|---|---|---|---|---|
| Brain | 2.69581E−8 | 9.24 | 2.69581E−8 | 7.91 |
| Brain stem | 2.89934E−8 | 6.61 | 2.89934E−8 | 5.58 |
| Spinal cord | 2.61014E−8 | 7.34 | 2.61014E−8 | 6.27 |
| Mandible | 5.40092E−8 | 8.42 | 5.40092E−8 | 7.44 |
| Mucosa | 5.49545E−8 | 7.38 | 5.49545E−8 | 6.30 |
| Tumour | 2.04912E−7 | 5.34 | 2.04912E−7 | 4.56 |
Next, we introduce the current functions of COMPASS.