Color and animation preferences for a light band eHMI in interactions between automated vehicles and pedestrians

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33 Downloads (Pure)

Abstract

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.

Original languageEnglish
Title of host publicationCHI 2020 - Proceedings of the 2020 CHI Conference on Human Factors in Computing Systems
Place of PublicationNew York
PublisherAssociation for Computing Machinery, Inc
Number of pages13
ISBN (Electronic)9781450367080
DOIs
Publication statusPublished - 21 Apr 2020
Event2020 CHI Conference on Human Factors in Computing Systems - Hawaiʻi Convention Center, Honolulu, United States
Duration: 25 Apr 202030 Apr 2020
https://chi2020.acm.org

Conference

Conference2020 CHI Conference on Human Factors in Computing Systems
Abbreviated titleCHI '20
CountryUnited States
CityHonolulu
Period25/04/2030/04/20
Internet address

Keywords

  • automated vehicles
  • autonomous vehicles
  • pedestrians
  • VRU
  • eHMI
  • interface
  • color
  • animation
  • ehmi
  • vru

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