It is intuitively obvious that eye-gaze behaviors of experienced drivers are different from those of novice drivers. However, it is not easy to understand the difference in their behavior quantitatively. In this work, we present an explainable eye-gaze behavior modeling method for electric wheelchair drivers based on Inverse Reinforcement Learning (IRL). We first create feature maps that represent risk factors during driving. These feature maps are able to represent not only to what but also from where drivers pay attention. IRL uses the feature maps to learn the reward representing the eyegaze behaviors and allows us to see important features via the automatic acquisition of the reward. Through analysis of the learned model, we show quantitative evidence that eye-gaze behaviors of experienced drivers are better-balanced by paying attention to multiple risks.


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    Title :

    Modeling Eye-Gaze Behavior of Electric Wheelchair Drivers via Inverse Reinforcement Learning




    Publication date :

    2020-09-20


    Size :

    3140545 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English




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