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Kai Holländer, Ashley Colley, Christian Mai, Jonna Häkkilä, Florian Alt, Bastian Pfleging
Investigating the Influence of External Car Displays on Pedestrians' Crossing Behavior in Virtual Reality
21st International Conference on Human-Computer Interaction with Mobile Devices and Services (MobileHCI '19), October 2019, Taipei, Taiwan; (bib)
  Focusing on pedestrian safety in the era of automated vehi- cles, we investigate the interaction between pedestrians and automated cars. In particular, we investigate the influence of external car displays (ECDs) on pedestrians’ crossing be- havior, and the time needed to make a crossing decision. We present a study in a high-immersion VR environment com- paring three alternative car-situated visualizations: a smiling grille, a traffic light style indicator, and a gesturing robotic dri- ver. Crossing at non-designated crossing points on a straight road and at a junction, where vehicles turn towards the pedes- trian, are explored. We report that ECDs significantly reduce pedestrians’ decision time, and argue that ECDs support com- fort, trust and acceptance in automated vehicles. We believe ECDs might become a valuable addition for future vehicles.
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