Table 3.
Time and frequency features extracted from the per frame measurements in Table 1
| Label | Description | Domain | |
|---|---|---|---|
| k | Kurtosis of raw signal | Time domain | 1 |
| k_psd | Kurtosis of power spectral density | Frequency domain | 2 |
| s_psd | Skewness of power spectral density | Frequency domain | 3 |
| MPL_1 | Mean power spectral density (0.1–1 HZ) | Frequency domain | 4 |
| MPL_3 | Mean power spectral density (1–3 HZ) | Frequency domain | 5 |
| MPL_5 | Mean power spectral density (3–5 HZ) | Frequency domain | 6 |
| MPL_8 | Mean power spectral density (5–8 HZ) | Frequency domain | 7 |
| MPL_15 | Mean power spectral density (8–15 HZ) | Frequency domain | 8 |
| Tot_PSD | Total power spectral density | Frequency domain | 9 |
| Max_PSD | Max power spectral density | Frequency domain | 10 |
| Min_PSD | Min power spectral density | Frequency domain | 11 |
| Ave_PSD | Average power spectral density | Frequency domain | 12 |
| Std_PSD | Standard deviation of power spectral density | Frequency domain | 13 |
| Ave_Signal | Average raw signal | Time domain | 14 |
| Std_Signal | Standard deviation of raw signal | Time domain | 15 |
| Max_Signal | Max raw signal | Time domain | 16 |
| Min_Signal | Max raw signal | Time domain | 17 |
| TOP_SIGNAL | Frequency that corresponds to MAX_PSD | Frequency domain | 18 |
| MED_SIGNAL | Median raw signal | Time domain | 19 |
| MED_PSD | Median power spectral density | Frequency domain | 20 |
The analysis results in 320 total features for each 10 s epoch.