A driver's emotional state is integral to road safety. Unhealthy emotions such as anger, sadness, and fear influence a driver's judgment particularly under bad weather conditions. Independent Component Analysis may be analyzed and used to extract features of a driver's emotion from images and a Support Vector Machine is used to classify a driver's unhealthy emotional expressions. Images of a driver's expression under real-time driving conditions are acquired with a Logitech C905 CCD camera attached to a Lenovo ThinkPad T41 computer. Training and testing sample sets of emotional expression images are preprocessed through color image cutting, scale normalization, and grey processing, and standardized gray images of 108 x120 pixels are acquired. Six cross-validation experiments for recognizing a driver's angry emotion are carried out and the average recognition rate is 93.3%. Therefore, theory analysis and the cross-validation results indicate that the Independent Component Analysis and Support Vector Machine are effective in recognizing a driver's unhealthy emotional expression.


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    Titel :

    Recognition of the Driver's Unhealthy Facial Expression Based on Independent Component Analysis and Support Vector Machine


    Beteiligte:
    Zhao, Chihang (Autor:in) / He, Jie (Autor:in) / Zhong, Xin (Autor:in) / Jiang, Congzhi (Autor:in) / Shen, Zhao (Autor:in)

    Kongress:

    11th International Conference of Chinese Transportation Professionals (ICCTP) ; 2011 ; Nanjing, China


    Erschienen in:

    ICCTP 2011 ; 1745-1750


    Erscheinungsdatum :

    2011-07-26




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch