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Table 3 The proposed driving behavior features

From: Feature selection for driving fatigue characterization and detection using visual- and signal-based sensors

Id

Features

Outward phase

Return phase

t test

Mean

Std

Mean

Std

p value

\(F_{18}\)

Mean (speed)

95.591

4.603

93.386

7.428

0.041

\(F_{19}\)

MaxFFT (speed)

132.813

35.179

168.795

43.354

5.28e−07

\(F_{20}\)

Skewness (speed)

− 2.042

0.473

− 1.822

0.618

0.022

\(F_{21}\)

Number of peaks

9.731

2.171

10.925

2.59

0.004

\(F_{22}\)

STD peaks extent

19.56

10.37

16.309

7.801

0.042