Table 4.
Difference between fiducial localization and cone beam computed tomography (CBCT) localization on the Ball phantom.
| CTDI 2.5 | CTDI 6.3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rotation (°) | Translation (mm) | Rotation (°) | Translation (mm) | ||||||||||
| X | Y | Z | X | Y | Z | X | Y | Z | X | Y | Z | ||
| CBCT 1 | 0.46 | −0.12 | 0.41 | −0.18 | −0.34 | −0.94 | CBCT 1 | 0.51 | −0.02 | −0.08 | −0.13 | −0.19 | −0.64 |
| CBCT 2 | 0.64 | 0.11 | −0.03 | −0.13 | −0.27 | −0.7 | CBCT 2 | 0.24 | 0.08 | −0.26 | −0.17 | −0.26 | −0.54 |
| CBCT 3 | 0.13 | −0.31 | 0.02 | 0.08 | −0.04 | −0.81 | CBCT 3 | 0.51 | 0.15 | 0.07 | −0.12 | −0.28 | −0.79 |
| Average | 0.41 | −0.11 | 0.13 | −0.08 | −0.22 | −0.82 | Average | 0.42 | 0.07 | −0.09 | −0.14 | −0.24 | −0.66 |