Eye Indicators and Drowsy Level Analysis Based on Driving Simulator

Abstract:

Based on Tongji 8 degrees of freedom driving simulator, 15 samples’ eye indicators were collected using the SmartEye. The driver’s fatigue was divided into five levels, including awake, mild fatigue, moderate fatigue, severe fatigue and extreme fatigue. Taking into account of the drivers’ inter individual differences, a multilevel ordered logistic model was applied. The results show that the multilevel ordered logistic model can consider the inter individual differences among drivers effectively and improve the recognition accuracy of drowsy levels.

Key words:driver fatigue; driving simulator; multilevel ordered logistic model; percentage of eyelid closure over the pupil over time(PERCLOS); variable coefficient of pupil diameter; blink duration