Table 5.
Difference between fiducial localization and cone beam computed tomography (CBCT) localization for anthropomorphic phantom.
| Rotation (°) | Translation (mm) | |||||
|---|---|---|---|---|---|---|
| X | Y | Z | X | Y | Z | |
| MRI Sim with CBCT | ||||||
| CBCT 1 | 0.12 | −0.17 | 0.16 | 0.61 | −0.17 | −0.31 |
| CBCT 2 | 0.25 | −0.29 | 0.16 | 0.71 | −0.13 | −0.3 |
| CBCT 3 | 0.22 | −0.3 | 0.13 | 0.7 | −0.12 | −0.38 |
| Average | 0.197 | −0.253 | 0.150 | 0.673 | −0.140 | −0.330 |
| CT Sim with CBCT | ||||||
| CBCT 1 | 0.11 | 0.06 | 0.13 | 0.24 | −0.44 | −0.18 |
| CBCT 2 | 0.07 | 0.01 | 0.1 | 0.27 | −0.42 | −0.2 |
| CBCT 3 | 0.06 | 0.05 | 0.09 | 0.26 | −0.35 | −0.08 |
| Average | 0.080 | 0.040 | 0.107 | 0.257 | −0.403 | −0.153 |
Abbreviation: MRI, magnetic resonance imaging.