Table 1.
EMT position error
| Orientation | Uncompensated | Distortion compensation | Compensated and corrected | |||
|---|---|---|---|---|---|---|
| Y | Z | Y | Z | Y | Z | |
| RMSE (mm) | 12.01 | 25.03 | 0.92 | 0.67 | 0.35 | 0.49 |
| ME (mm) | 11.71 | 22.87 | 0.89 | 0.65 | 0.34 | 0.47 |
| PRC50 (mm) | 11.15 | 19.71 | 0.81 | 0.63 | 0.33 | 0.43 |
| PRC95 (mm) | 17.22 | 46.21 | 1.33 | 0.94 | 0.51 | 0.73 |
Position error in the presence of the fluoroscopy system and accuracy improvement obtained with the calibrated magnetic field model and with the correction based on the bottom plane solution. The results are calculated from the 6 × 6 grid of test points on the midplane