Table 5 Registration errors in 4DCBCT grayscale + manual registration and AIP of 4DCBCT grayscale + manual registration
From: Application of four-dimensional cone beam computed tomography in lung cancer radiotherapy
Registration error (cm) | X-axis (frequency, proportion) | Y-axis (frequency, proportion) | Z-axis (frequency, proportion) |
|---|---|---|---|
0.00–0.10 | 203 (78.1%) | 198 (76.3%) | 198 (76.2%) |
0.10–0.20 | 52 (20.0%) | 62 (23.8%) | 47 (18.1%) |
>0.20 | 5 (1.9%) | 0 | 15 (5.7) |
Total | 260 (100%) | 260 (100%) | 260 (100%) |