Table 3.

Features and their description

Domain	Feature	Description
Time	RMS	Root mean square value of the signal
	Maxima	Maximum Peak value in the signal
	Peak-to-Peak	Difference between maximum and minimum peak
	Peak-to-RMS	Maximum peak to RMS ratio
	Peak-to-Avg.Power	Maximum peak to avg. power ratio
	SNDR	Signal to noise & distortion ratio
	Hjorth’s Parameters [42]	First order mobility, $M_f=\sqrt{\frac{{\sigma }_f}{{\sigma }_x}}$
		Second order mobility, $M_s=\sqrt{\frac{{\sigma }_s}{{\sigma }_x}}$
		Complexity, $C_x=\frac{M_{fs}}{M_f}$
Frequency	Median Frequency	Median normalized frequency of power spectrum
	Band power	Average signal power
Signal-Specific	Spiky Index	$SI=\frac{\#ofProminentPeaksorevents}{TotalActivityTime\left(s\right)}$
	Rapid Change Factor	$RCF=\frac{StepSize}{b\times T_s}$