Identification System Based on Resolution Adjusted 2D Spectrogram of Driver’s ECG for Intelligent Vehicle

Table 2

ECG feature extraction method for identification.

Feature domain	Feature extraction	Identification accuracy (%)	Author
Single-dimensional	Morphological	95.9	Choi et al. [34]
	Morphological	98	Shen et al. [35]
	Morphological	100	Nobunaga et al. [36]
Multidimensional	EEMD	95.56	Zhao et al. [37]
	MFCCs	80	Chen et al. [38]
	Spectrogram	98	Chun et al. [39]
Network	CNN	99.4	Giannakakis et al. [40]
	CNN + LSTM	96	Xu et al. [41]