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Vehicle pedestrian communication is extremely important when developing autonomy for an autonomous vehicle. Enabling bidirectional nonverbal communication between pedestrians and autonomous vehicles will lead to an improvement of…

Human-Computer Interaction · Computer Science 2022-11-29 Melanie Schmidt-Wolf , David Feil-Seifer

Recent studies have investigated new approaches for communicating an autonomous vehicle's (AV) intent and awareness to pedestrians. This paper adds to this body of work by presenting the design and evaluation of in-situ projections on the…

Human-Computer Interaction · Computer Science 2024-03-12 Trung Thanh Nguyen , Kai Hollander , Marius Hoggenmueller , Callum Parker , Martin Tomitsch

This study presents the outcomes of empirical investigations pertaining to human-vehicle interactions involving an autonomous vehicle equipped with both internal and external Human Machine Interfaces (HMIs) within a crosswalk scenario. The…

Human-Computer Interaction · Computer Science 2023-12-14 Rubén Izquierdo , Javier Alonso , Ola Benderius , Miguel Ángel Sotelo , David Fernández Llorca

The present cross-disciplinary research explores pedestrian-autonomous vehicle interactions in a safe, virtual environment. We first present contemporary tools in the field and then propose the design and development of a new application…

Computers and Society · Computer Science 2021-10-01 Georgios Pappas , Joshua E. Siegel , Jacob Rutkowski , Andrea Schaaf

Automated vehicles (AVs) must communicate their yielding intentions to pedestrians at crossings. External Human-Machine Interfaces (eHMIs, on-vehicle displays) are promising solutions, but were primarily tested with walking pedestrians.…

Human-Computer Interaction · Computer Science 2026-03-17 Ammar Al-Taie , Thomas Goodge , Shaun Macdonald , Ian Oakley , Stephen Brewster

Given pedestrians' vulnerability in road traffic, it remains unclear how novel AV appearances will impact pedestrians crossing behaviour. To address this gap, this study pioneers an investigation into the influence of AVs' exterior design,…

Human-Computer Interaction · Computer Science 2024-07-10 Wei Lyu , Yaqin Cao , Yi Ding , Jingyu Li , Kai Tian , Hui Zhang

This paper presents the results of real-world testing of human-vehicle interactions with an autonomous vehicle equipped with internal and external Human Machine Interfaces (HMIs) in a crosswalk scenario. The internal and external HMIs were…

Human-Computer Interaction · Computer Science 2023-07-25 R. Izquierdo , S. Martín , J. Alonso , I. Parra , M. A. , D. Fernández-Llorca

Policymakers advocate for the use of external Human-Machine Interfaces (eHMIs) to allow autonomous vehicles (AVs) to communicate their intentions or status. Nonetheless, scalability concerns in complex traffic scenarios arise, such as…

Human-Computer Interaction · Computer Science 2024-03-19 Tram Thi Minh Tran , Callum Parker , Marius Hoggenmuller , Yiyuan Wang , Martin Tomitsch

External human-machine interface (eHMI) is considered as a new explicit communication method for pedestrian-AV interactions, particularly in encounter scenarios. Pedestrians without prior negotiation experience with eHMI may misinterpret…

Human-Computer Interaction · Computer Science 2025-04-17 Hailong Liu , Takatsugu Hirayama

Interactions between pedestrians and automated vehicles (AVs) will increase significantly with the popularity of AV. However, pedestrians often have not enough trust on the AVs , particularly when they are confused about an AV's intention…

Human-Computer Interaction · Computer Science 2022-06-08 Hailong Liu , Takatsugu Hirayama , Luis Yoichi Morales , Hiroshi Murase

Wearable augmented reality (AR) offers new ways for supporting the interaction between autonomous vehicles (AVs) and pedestrians due to its ability to integrate timely and contextually relevant data into the user's field of view. This…

Human-Computer Interaction · Computer Science 2024-03-13 Tram Thi Minh Tran , Callum Parker , Yiyuan Wang , Martin Tomitsch

Interacting with pedestrians understandably and efficiently is one of the toughest challenges faced by autonomous vehicles (AVs) due to the limitations of current algorithms and external human-machine interfaces (eHMIs). In this paper, we…

Human-Computer Interaction · Computer Science 2024-02-23 Xiang Chang , Zihe Chen , Xiaoyan Dong , Yuxin Cai , Tingmin Yan , Haolin Cai , Zherui Zhou , Guyue Zhou , Jiangtao Gong

Compared to a manual driving vehicle (MV), an automated driving vehicle lacks a way to communicate with the pedestrian through the driver when it interacts with the pedestrian because the driver usually does not participate in driving…

Human-Computer Interaction · Computer Science 2022-06-08 Hailong Liu , Takatsugu Hirayama , Masaya Watanabe

In this article, we report on the design and evaluation of an external human-machine interface (eHMI) for a real autonomous vehicle (AV), developed to operate as a shared transport pod in a pedestrianized urban space. We present insights…

Human-Computer Interaction · Computer Science 2024-06-19 Marius Hoggenmueller , Martin Tomitsch , Stewart Worrall

Autonomous vehicles (AVs) may use external interfaces, such as LED light bands, to communicate with pedestrians safely and intuitively. While previous research has demonstrated the effectiveness of these interfaces in simple traffic…

Human-Computer Interaction · Computer Science 2024-03-12 Tram Thi Minh Tran , Callum Parker , Martin Tomitsch

Completely unmanned autonomous vehicles have been anticipated for a while. Initially, these are expected to drive only under certain conditions on some roads, and advanced functionality is required to cope with the ever-increasing…

Human-Computer Interaction · Computer Science 2020-07-23 Walter Morales Alvarez , Miguel Ángel de Miguel , Fernando García , Cristina Olaverri-Monreal

With automated vehicles (AVs), the absence of a human operator could necessitate external Human-Machine Interfaces (eHMIs) to communicate with other road users. Existing research primarily focuses on pedestrian-AV interactions, with limited…

Human-Computer Interaction · Computer Science 2026-01-28 Mark Colley , Simon Kopp , Debargha Dey , Pascal Jansen , Enrico Rukzio

Recent research has increasingly focused on how autonomous vehicles (AVs) communicate with pedestrians in complex traffic situations involving multiple vehicles and pedestrians. VR is emerging as an effective tool to simulate these…

Human-Computer Interaction · Computer Science 2024-10-22 Tram Thi Minh Tran , Callum Parker

Autonomous Vehicles (AV) will transform transportation, but also the interaction between vehicles and pedestrians. In the absence of a driver, it is not clear how an AV can communicate its intention to pedestrians. One option is to use…

Artificial Intelligence · Computer Science 2020-10-13 Henry Chen , Robin Cohen , Kerstin Dautenhahn , Edith Law , Krzysztof Czarnecki

As autonomous vehicles (AVs) inch closer to reality, a central requirement for acceptance will be earning the trust of humans in everyday driving situations. In particular, the interaction between AVs and pedestrians is of high importance,…

Robotics · Computer Science 2019-02-05 Nitin R. Kapania , Vijay Govindarajan , Francesco Borrelli , J. Christian Gerdes
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