Non-contact Fatigue Driving Detection Using CW Doppler Radar

This paper presents a non-contact fatigue driving monitoring method using the continuous-wave (CW) Doppler radar. The driver's breathing and heartbeat signals can be measured by the Doppler radar located at the car instrument panel. Then seven features in the time-domain and frequency-domain are extracted from the received signal. Extensive experiments are conducted to collect 240 observations from three healthy volunteers. Finally, a decision tree based on detection algorithm is realized to achieve the accuracy rate of 82.5%, which demonstrates the feasibility of the proposed method for fatigue driving monitoring.