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Definitions and leg tracking results of each method of a total of 28 trials.
| Method 1 | Method 2 | Method 3 (Proposal) | ||
|---|---|---|---|---|
| Data Association Considering Gait Phase | No | Yes | Yes | |
| Catmull–Rom Spline-based Interpolation | No | No | Yes | |
| Number of False Tracking | During Turning Motion | 12 | 0 | 0 |
| During Walking Back to Chair | 0 | 2 | 1 | |
| Number of Failure of the Stance Phase Identification During Turning Motion | 2 | 1 | 0 | |
| Tracking Success Rate | 50.0% (14/28) | 89.3% (25/28) | 96.4% (27/28) | |
