Accelerometer-based features | |||||
---|---|---|---|---|---|
TUG | |||||
Temporal | |||||
1 | Duration | ||||
Sit-to-stand (SiSt) | |||||
Linear acceleration features (in the order of V, ML, AP) | |||||
2–4 | Maximum | 5–7 | Minimum | ||
8–10 | Range | 11–13 | RMS | ||
14–16 | Maximum jerk | 17–19 | Mean jerk | ||
20–22 | Δjerk | ||||
Temporal | |||||
23 | Duration | ||||
Walking | |||||
Linear acceleration features (in the order of V, ML, AP) | |||||
24–26 | RMS | ||||
Spatial features | |||||
27 | Step Length | ||||
Temporal | |||||
28 | Cadence | 29 | Gait speed | ||
30 | Step time | 31 | Stride time | ||
32 | CV of step time | 33 | CV of stride time | ||
Frequency features (in the order of V, ML, AP) | |||||
34–36 | Dominant FFT peak | 37–39 | 1st FFT | ||
40–42 | REOH | ||||
Stand-to-sit (StSi) | |||||
Linear acceleration features (in the order of V, ML, AP) | |||||
43–45 | Maximum | 46–48 | Minimum | ||
49–51 | Range | 52–54 | RMS | ||
55–57 | Maximum jerk | 58–60 | Mean jerk | ||
61–63 | Δjerk | ||||
Temporal | |||||
64 | Duration | 65 | SD (SiSt, StSi) | ||
Demographic features | |||||
Other | |||||
66 | Age | 67 | Gender |