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RMS of the Euclidean distance of the automatically tracked annulus from the mean of the manually tracked annulus points.
| Data set | RMS distance (mm) (mean ± std. dev.) | No. of open frames |
|---|---|---|
| 1 | 1.96 ± 0.70 | 3 |
| 2 | 0.75 ± 0.06 | 4 |
| 3 | 2.30 ± 0.40 | 5 |
| 4 | 1.04 ± 0.07 | 5 |
| 5 | 1.71 ± 0.26 | 4 |
| 6 | 2.02 ± 0.38 | 6 |
| 7 | 1.86 ± 0.44 | 3 |
| Group | 1.67 ± 0.63 | 30 |
