Color and Animation Preferences for a Light Band eHMI in Interactions Between Automated Vehicles and Pedestrians
CHI '20: CHI Conference on Human Factors in Computing Systems Honolulu HI USA April, 2020(2020)
摘要
In this paper, we report user preferences regarding color and animation patterns to support the interaction between Automated Vehicles (AVs) and pedestrians through an external Human-Machine-Interface (eHMI). Existing concepts of eHMI differ - among other things - in their use of colors or animations to express an AV's yielding intention. In the absence of empirical research, there is a knowledge gap regarding which color and animation leads to highest usability and preferences in traffic negotiation situations. We conducted an online survey (N=400) to investigate the comprehensibility of a light band eHMI with a combination of 5 color and 3 animation patterns for a yielding AV. Results show that cyan is considered a neutral color for communicating a yielding intention. Additionally, a uniformly flashing or pulsing animation is preferred compared to any pattern that animates sideways. These insights can contribute in the future design and standardization of eHMIs.
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关键词
Automated Vehicles, Autonomous Vehicles, Pedestrians, VRU, eHMI, Interface, Color, Animation
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