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Mean error rates of the data processing method with DCM + EMD and EMD only.
| Category | Data process method with EMD only
|
Data process method with DCM + EMD
|
||||
|---|---|---|---|---|---|---|
| Normal (%) | Fast (%) | Slow (%) | Normal (%) | Fast (%) | Slow (%) | |
| Walking distance | 5.10 | 5.97 | 4.41 | 4.39 | 5.65 | 5.55 |
| Count step | 4.04 | 3.58 | 3.23 | 2.18 | 3.19 | 0.45 |
| Mean step length | 2.91 | 6.79 | 6.45 | 2.42 | 4.11 | 5.91 |
EMD: empirical mode decomposition; DCM: direction cosine matrix.
