Feature Type

Feature Name

Time-Domain,

Frequency-Domain,

and Statistic

Hjorth activity

Hjorth mobility

PSD of theta band

Mean PSD of delta band

Mean PSD of theta band

Mean PSD of alpha band

Mean PSD of beta band

Mean PSD of low-gamma band

Mean amplitude

Signal amplitude variation

Kurtosis

Skewness

WVT-based features

Mean power of each coefficient array

Entropy of each wavelet coefficient array

EMD-based features

Entropy of each IMF

Mean envelope amplitude of each IMF

Variation of instantaneous frequency’s

first derivative