This paper investigated the feasibility and reliability of employing various physiological measures - for determining drivers’ fatigue levels, which may ultimately lead to a solution for real-time detection of driver fatigue state for improving driving and traffic safety. An experimental study was conducted to collect the data, including fatigue levels assessed via the Karolinska sleepiness scale and heart rate variability (HRV) and electrodermal activity (EDA) features. Based on an extensive statistical analysis of the collected data, significant differences in numerous HRV and EDA features were found across varying fatigue levels. Employing several machine learning techniques for classification purposes, the most favorable binary classification performance was achieved using the Light Gradient Boosting Machine classifier, with an accuracy rate of 88.7% when HRV and EDA features were utilized as inputs. Meanwhile, for three-class classification, the accuracy decreased slightly to 85.6% when employing the Random Forest classifier. These outcomes underscore the potential of HRV and EDA feature fusion in capturing diverse physiological responses to fatigue, thereby bolstering fatigue detection performance. Besides, subject-independent classification yielded an accuracy of 52.0% and 53.3%, reflecting the potential bias introduced by unobserved heterogeneity in classification models. Moreover, feature selection should be prioritized over dimensionality reduction in feature fusion endeavors to diminish feature redundancy and prevent information loss. The findings of this study could contribute to the development of reliable driver fatigue detection methodologies utilizing readily available measures of physiological response measures, such as HRV and EDA features.


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    Title :

    Driver Fatigue Detection Using Measures of Heart Rate Variability and Electrodermal Activity


    Contributors:
    Jiao, Yubo (author) / Zhang, Ce (author) / Chen, Xiaoyu (author) / Fu, Liping (author) / Jiang, Chaozhe (author) / Wen, Chao (author)


    Publication date :

    2024-06-01


    Size :

    6927742 byte




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



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