Table 3.
Mean error rates of the data processing method with EMD and high-pass filter.
| Category | Data process method with EMD
|
Data process method with high-pass filter
|
||||
|---|---|---|---|---|---|---|
| Normal (%) | Fast (%) | Slow (%) | Normal (%) | Fast (%) | Slow (%) | |
| Walking distance | 4.39 | 5.65 | 5.55 | 4.38 | 4.69 | 5.85 |
| Count step | 2.18 | 3.19 | 0.45 | 2.23 | 4.39 | 4.20 |
| Mean step length | 2.42 | 4.11 | 5.91 | 2.55 | 5.16 | 6.12 |
EMD: empirical mode decomposition.