Table 4.

Studies regarding driver fatigue detection using different types of entropy.

Research group	Feature method	EEG channels	Highest accuracy
Li et al. [14]	12 types of energy parameters	FP1 and O1	91.5%
Zhang et al. [27]	Approximate entropy	O1 and O2	96.5%
Khushaba et al. [51]	Fuzzy entropy	Fz, T8, and Oz	92.8%
Zhao et al. [52]	Sample entropy	F3	95.0%
This paper	Fuzzy entropy	CP4	96.6%