Table VI.
Performance Metrics of proposed GED system.
| Terrain | Gait Event | Detection Accuracy | Timing Error (ms) |
Timing percentage (%) |
||||
|---|---|---|---|---|---|---|---|---|
| MAE | Advance | Delay | Advance | Delay | Exact | |||
| Flat Walk | TS | 100.000 | 20.686 | 30.000 ± 20.656 | -27.774 ± 11.740 | 4.222 | 69.921 | 25.858 |
| HR | 98.378 | 32.912 | 34.444 ± 16.858 | -38.000 ± 16.934 | 19.459 | 67.568 | 11.351 | |
| TO | 100.000 | 37.203 | 26.667 ± 11.547 | -38.098 ± 12.070 | 0.792 | 97.098 | 2.111 | |
| HS | 98.148 | 38.059 | 41.373 ±19.436 | -26.000 ± 18.974 | 88.624 | 2.646 | 6.878 | |
| Stair Ascend | TS | 95.052 | 41.096 | 49.027 ± 25.492 | -55.000 ± 29.350 | 29.427 | 44.792 | 20.833 |
| HR | 94.241 | 41.944 | 52.340 ± 21.489 | -42.559 ± 18.201 | 12.304 | 77.749 | 4.188 | |
| TO | 95.674 | 43.564 | 58.255 ± 23.702 | -46.951 ± 30.018 | 37.913 | 41.730 | 16.031 | |
| HS | 95.325 | 40.109 | 51.407 ± 26.826 | -50.194 ± 26.123 | 35.065 | 40.260 | 20.000 | |
| Stair Descend | HS | 100.000 | 28.426 | 60.000 ± 31.909 | -28.830 ± 12.780 | 5.556 | 87.037 | 7.407 |
| HR | 92.233 | 54.211 | 62.157 ± 25.158 | -53.514 ± 24.575 | 49.515 | 35.922 | 6.796 | |
| TO | 91.089 | 62.609 | 50.278 ± 24.893 | -78.218 ± 20.995 | 35.643 | 50.000 | 5.446 | |
| TS | 97.696 | 17.170 | 32.222 ± 25.795 | -41.918 ± 28.706 | 8.295 | 33.641 | 55.760 | |