A High-Precision Fatigue Detecting Method for Air Traffic Controllers Based on Revised Fractal Dimension Feature

<div>Distribution of the <i>H</i> values of speech samples in two emotional states. It can be seen that there is no obvious difference in the distribution of the <i>H</i> index between the fatigued and normal states.</div>

Mathematical Problems in Engineering

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Figure 2

Figure 2: A High-Precision Fatigue Detecting Method for Air Traffic Controllers Based on Revised Fractal Dimension Feature 