Table 1 Features numbers, labels and short descriptions
Feat. no. | Name | Description |
|---|---|---|
1 | TtW | Time to Walk 25 m at comfort speed |
2 | NbStep | Number of step to walk 25 m |
3 | StepFreq | Frequency of the Steps |
4 | VarStep | variation of the step period |
5-14 | MF | Median Frequency (sensors 1-10) |
15-24 | SpecEnt | Spectral entropy (sensors 1-10) |
25 | CorrArmLeg | Correlation between Arm and Leg |
26 | ApEn | Approximate entropy for sensor 1 |
27-36 | M3 | Third momentum (sensors 1-10) |
37-46 | Ma | Peakedness (sensors 1-10) |
47 | FreqPeakX1 | Abscise of the 1st freq. peak (left leg) |
48 | FreqPeakX2 | Abscise of the 2d freq. peak (left leg) |
49 | FreqPeakY1 | Ordinate of the 1st freq. peak (left leg) |
50 | FreqPeakY2 | Ordinate of the 2d freq. peak (left leg) |
51 | Size | Size (height) of the patients in m |
52 | Norm. Time | TtW/Size |
53 | Norm. NbStep | NbStep*Size |
54 | Norm. StepFreq | StepFreq*Size |
55 | ArmCorr | Correlation between both elbows |
56 | ArmDynL | Dynamic of the Left Arm signal |
57 | ArmDynR | Dynamic of the Right Arm signal |
58-67 | NJ | Approx. Normalized Jerk (sensors 1-10) |