Table 5.
Comparison between FLUKA, 3D-RD and MCID DMC simulation with a CT-based density map—water phantom with air, `lung' and bone inserts. For Dprofile calculation, code 1 is represented by either 3D-RD or MCID and code 2 is represented by FLUKA.
| Profile comparison |
R inside the VOIs |
|||
|---|---|---|---|---|
| Dprofile ± SD | Rave ± SD | [Rmin, Rmax] | ||
| FLUKA versus 3D-RD | ||||
| Air–water–bone segmentation | Water | (2 ± 1)% | 1.02 ± 0.02 | [1.0,1.1] |
| Air | (4 ± 3.5)% | 0.94 ± 0.03 | [0.8, 1.0] | |
| Bone | (4 ± 3.5)% | 1.04 ± 0.11 | [0.8, 1.5] | |
| Lung–water–bone segmentation | Lung | (3 ± 2)% | 0.99 ± 0.03 | [0.9, 1.1] |
| FLUKA versus MCID | ||||
| Air–water–bone segmentation | Water | (2 ± 1)% | 1.01 ± 0.05 | [0.9, 1.2] |
| Air | (5 ± 4.5)% | 1.00 ± 0.12 | [0.7, 1.7] | |
| Bone | (3 ± 2.5)% | 1.01 ± 0.24 | [0.4, 1.9] | |
| Lung–water–bone segmentation | Lung | (2 ± 1.5)% | 1.02 ± 0.03 | [1.0,1.1] |
| FLUKA versus 3D-RD | ||||
| Schneider segmentation | Water | (2 ± 1)% | 1.03 ± 0.02 | [1.0,1.1] |
| Air | (3 ± 2)% | 0.99 ± 0.03 | [0.9, 1.4] | |
| Bone | (4 ± 3.5)% | 1.03 ± 0.10 | [0.8, 1.5] | |