Table 2.
Comparison of the results of Se, PPV, and FDR from algorithms based on the best signal selection method, SVD, ICA, or the proposed method for signals acquired under the walking, fast walking, and running conditions.
| Conditions | Performance | Best Signal Selection | SVD | ICA | Proposed |
|---|---|---|---|---|---|
| Walking | Se (%) | 97.07 | 91.30 | 98.65 | 99.00 |
| PPV (%) | 99.10 | 92.89 | 99.03 | 99.55 | |
| FDR (%) | 0.91 | 7.65 | 0.98 | 0.45 | |
| Fast walking | Se (%) | 93.69 | 82.33 | 95.42 | 96.28 |
| PPV (%) | 99.08 | 93.71 | 99.06 | 99.24 | |
| FDR (%) | 0.93 | 6.71 | 0.95 | 0.77 | |
| Running | Se (%) | 77.28 | 68.00 | 79.98 | 82.49 |
| PPV (%) | 99.57 | 99.09 | 99.81 | 99.83 | |
| FDR (%) | 0.43 | 0.92 | 0.19 | 0.17 |