Table 3.

Internal parameters employed in the calculation of entropy and wavelet-based features.

Feature	Internal parameters
Sample Entropy	m=2, r=0.15
Phase Entropy	k=2,4,6,8,10,12,14,16,18,20,22,24
Permutation Entropy	d=2, π=3
Dispersion Entropy	m=2, c=3, linear mapping
Fuzzy Entropy	m=2, r=0.0077, n=3 exponential function, local and global
Flux (Continuous Wavelet Transform features) (k1, k2)	0°: (0,1); 45°: (1,1); 90°: (1,0)
Discrete Wavelet Transform analysis	12-order ‘Daubechies’ wavelet