The rise of self-driving cars (SDCs) has sparked concerns about the safety of vulnerable road users, such as pedestrians. While autonomous vehicles (AVs) have the potential to reduce accidents caused by human error, one major challenge lies in accurately detecting and understanding pedestrians' intentions' especially in unprecedented events such as, detecting a pedestrian on a high-way. Additionally, pedestrians often struggle to anticipate AV behavior or effectively communicate with them. To address these issues, this study aims to identify the expedient communication modality to be used by AVs to communicate their intent to pedestrians. To this end, we developed a virtual reality (VR) simulation of a virtual high-way. In our VR simulation, we developed (1) a virtual AV that is trained using object detection model that utilizes posture analysis to accurately detect pedes-trians' intentions, and (2) two different communication methods (visual and verbal) between AVs and pedestrians. To achieve our aim, we conducted a user study (N = 24) to investigate the effect of four different communication modalities on user's trust of AVs. Our results showed that pedestrians expressed more trust toward AVs that communicate their intentions irrespective of the adopted modality, and preferred that AVs use a combination of visual and verbal modalities. We believe that our findings contribute to developing more effective Pedestrian-AV communication systems. We envision that our work will be a step toward integrating AVs in future smart cities.


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    Title :

    Building Trust in AV-to-Pedestrian Interaction: Exploring the Influence of Communication Modality through a Virtual Reality Study


    Contributors:


    Publication date :

    2023-10-22


    Size :

    2392430 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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