Table 2.
Comparison of the the rotational and translational misalignment errors of the proposed sequential, contextual registration with standard image-based registration on real X-ray images. All methods are initialized at AP view.
| Contextual Registration | Image-based Registration | Sequential Registration | ||||
|---|---|---|---|---|---|---|
| Rotation | Translation | Rotation | Translation | Rotation | Translation | |
| Mean |
11.5 | 61.7 | 14.3 | 200 | 6.95 | 39.4 |
| Standard deviation |
6.16 | 27.4 | 8.46 | 118 | 5.13 | 34.1 |
| Median |
12.3 | 60.0 | 11.9 | 171 | 8.13 | 43.2 |
| Minimum |
1.48 | 16.4 | 4.15 | 61.5 | 0.25 | 1.17 |
| Maximum |
24.4 | 113 | 35.5 | 473 | 14.7 | 104 |