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Tracking results for the calibration phantom. Each trial served once as the calibration trial, and all other trials in the set were transformed using this trial’s calibration transformation matrix and compared against the physical data obtained from that trial.
| Calibration trial | Samples | Tracking error, mm |
|---|---|---|
| 1 | 36 | 1.3±0.5 (2.4) |
| 2 | 36 | 1.0±0.5 (2.3) |
| 3 | 36 | 1.6±1.0 (4.3) |
| 4 | 36 | 1.1±0.6 (2.5) |
| 5 | 36 | 2.1±1.0 (3.7) |
| 6 | 18 | 1.7±0.6 (2.6) |
| 7 | 18 | 1.5±0.6 (2.3) |
| 8 | 18 | 1.4±0.6 (2.2) |
| Overall | 234 | 1.4±0.8 (4.3) |
