VE: Eurographics Workshop on Virtual Environments - Short Papers

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An Adaptive AR Tutor For Cabling a Network Topology
(The Eurographics Association, 2017) Herbert, B. M.; Weerasinghe, A.; Ens, Barrett; Billinghurst, Mark; Tony Huang and Arindam Dey
We present an Augmented Reality (AR) network cabling tutor that provides visual annotations for improving learning in psychomotor tasks. Unlike many existing AR learning systems, our system combines AR with an intelligent tutoring system (ITS) that should enhance learning over existing desktop solutions. We intend to use this prototype as a test-bed for evaluating learning differences between a desktop web-based user interface, a hand-held AR display and a Head Mounted Display (HMD) AR display.
AR Avatar Separated from Lecturer for Individual Communication in One-to-many Communication
(The Eurographics Association, 2020) Kitagishi, Yuki; Tanaka, Yuki; Yonezawa, Tomoko; Kulik, Alexander and Sra, Misha and Kim, Kangsoo and Seo, Byung-Kuk
In this paper, we propose an augmented reality agent separated from the lecturer as his/her avatar to promote individual communication between the lecturer and the audience in parallel with one-to-many communication such as lectures. The proposed agent is expressed by 1-1) a shadow and 1-2) its trajectory drawn by projection mapping to the floor, as well as 2) localized footsteps using the parametric speaker. The agent approaches a particular audience member who seems to need to talk with the lecturer individually. To emphasize that the agent is the lecturer's avatar, the proposed system draws the trajectory from the lecturer's feet to the agent's current position and shakes the shadow's tail like will-o'-the-wisp. During the lecture, the agent approaches the audience member who wants individual communication with the lecturer. After that, the agent talks to the audience member as the lecturer. We expect that the proposed agent will aid in the individual communication between the lecturer and the audience without the audience's hesitation, and will be able to enable multiple and parallel communications with few additional resources required by the lecturer.
An AR Network Cabling Tutoring System for Wiring a Rack
(The Eurographics Association, 2017) Herbert, B. M.; Weerasinghe, A.; Ens, Barrett; Billinghurst, Mark; Wigley, G.; Tony Huang and Arindam Dey
We present a network cabling tutoring system that guides learners through cabling a network topology by overlaying virtual icons and arrows on the ports. The system determines the network state by parsing switch output and does not depend on network protocols being functional. A server provides a web-based user interface and communicates with an external intelligent tutoring system called The Generalized Intelligent Framework for Tutoring. Users use a tablet to view AR annotations, though support for HoloLens HMD will be added soon.
Enrichment of TV Series With Augmented and Mixed Reality Applications on Mobile Devices and on HoloLens
(The Eurographics Association, 2018) Strzebkowski, R.; Gehrmann, T.; Wulf, D.; Huang, Tony and Otsuki, Mai and Servières, Myriam and Dey, Arindam and Sugiura, Yuta and Banakou, Domna and Michael-Grigoriou, Despina
In this demo we will present two related AR/MR projects realized in cooperation with the German public broadcaster ZDF, which consist of an interactive mobile 3D Augmented Reality infotainment/game application as well as a Mixed Reality version of the infotainment app for HoloLens. The aim of the projects was to evaluate the technical, gamification and infotainment potentials for so-called companion apps based on AR/MR technologies for the very successful TV series 'Die Bergretter' (The Mountain Rescuer). Both applications provide rich interactivity with story connectivity to the TV series and give seldom experience of similar content at mobile and HoloLens devices.
Hybrid Robot with Physical and AR Body Presentation
(The Eurographics Association, 2022) Kawaguchi, Ikkaku; Ichikawa, Ayumi; Ihara, Keiichi; Ishibashi, Ryo; Tanokashira, Aoto; Theophilus Teo; Ryota Kondo
The telepresence robots with a movable display are not sufficient to convey nonverbal expressions. Robots with human-like body parts enable rich nonverbal expressions, but their design, implementation, and maintenance require a significant cost. In this study, we propose the hybrid telepresence robot with physical and AR body presentation for conveying nonverbal information. We focused on the head and arms as body parts, and implemented a prototype system that can switch physical and AR presentation for each body part. In this paper, we will explain the proposed system and experiment plan.
Indirect User Guidance by Pedestrians in Virtual Environments
(The Eurographics Association, 2021) Bönsch, Andrea; Güths, Katharina; Ehret, Jonathan; Kuhlen, Torsten W.; Maiero, Jens and Weier, Martin and Zielasko, Daniel
Scene exploration allows users to acquire scene knowledge on entering an unknown virtual environment. To support users in this endeavor, aided wayfinding strategies intentionally influence the user's wayfinding decisions through, e.g., signs or virtual guides. Our focus, however, is an unaided wayfinding strategy, in which we use virtual pedestrians as social cues to indirectly and subtly guide users through virtual environments during scene exploration. We shortly outline the required pedestrians' behavior and results of a first feasibility study indicating the potential of the general approach.
Production of Instructional Videos Using a Virtual Presentation Room on a Mobile Head-mounted Display
(The Eurographics Association, 2019) Yano, Kojiro; Kakehi, Yasuaki and Hiyama, Atsushi
Instructional videos are frequently used in education and it is important for teachers to produce the materials with minimal time and efforts. In this article, I report SlidesGo, a "virtual presentation room" software for a mobile head-mounted display. It allows a user to record a slide presentation video with an avatar in a virtual environment as well as to record head orientations during a presentation. and produce a heatmap to characterize the visual attention of the speaker during the recording. Instructional video productions using a mobile head-mounted display is far more time and cost efficient and give more insights into the teacher's non-verbal behaviour than those in a physical studio.
Programming in the Metaverse Era: VR Empowering the Educational Effects of Tangibles
(The Eurographics Association, 2022) Ebihara, Kohta; Matsuoka, Johei; Hattori, Kiyohiko; Theophilus Teo; Ryota Kondo
In this presentation, we propose a new tangible programming interface utilizing Virtual Reality technologies, aiming to improve upon existing methods. Existing tangible programming methods have three major areas which can be improved upon. Limited set of commands, shape and textures not being employed much, and requiring specialized equipment. With VR, all three can be improved, with extra benefits of remote access capabilities and more. We will in the future, perform a through proof of concept experiment, as well as implement multiplayer focused features, and features to visualize debug sequences.
A Projection-Based Augmented Reality Setup for Blended Museum Experiences
(The Eurographics Association, 2017) Schmidt, S.; Steinicke, F.; Tony Huang and Arindam Dey
Most traditional museums still rely on physical artifacts since their authenticity and uniqueness foster an emotional engagement with the objects themselves and the stories they are supposed to tell the visitor. However, the context of the exhibition space makes it difficult to vividly present information that are closely related to the origin of the artifact. In this regard, we propose a 3D projection-based augmented reality setup, which keeps the focus on a physical exhibit and at the same time allows visitors to seamlessly switch to virtual representations of the exhibit's original appearance and context.
Sign Language Learning System with Concurrent Shared Avatar Hand in a Virtual Environment: Psychological Evaluation
(The Eurographics Association, 2022) Katsumata, Yasunobu; Ishimoto, Hiroki; Inoue, Yasuyuki; Kitazaki, Michiteru; Theophilus Teo; Ryota Kondo
We aimed to develop a sign language learning system using virtual reality to improve learning motivation. Hand movements for twenty words consisted of three letters were recorded with a hand motion capture system (model hand). In the learning system, the participant was asked to mimic the model hand movement while looking at both the model hand and the ''own hand'' in a head mounted display (HMD) with the hand motion capture. The ''own hand'' avatar was either of the real own hand or the shared hand motion, which was made by averaging the participant's hand and the model hand movements. The model hand was presented either in the opposite or same direction as the participant. Participants rated the usability of the system in 2 x 2 (own/shared hand x opposite/same direction) experimental blocked design. We found that the shared hand avatar and the same direction presentation were better than the own hand and the opposite direction presentation, respectively. Thus, the proposed shared hand avatar system with the HMD and hand motion capture could improve sign language learning.
Spatialized AR Polyrhythmic Metronome Using Bose Frames Eyewear
(The Eurographics Association, 2020) Pinkl, James; Cohen, Michael; Kulik, Alexander and Sra, Misha and Kim, Kangsoo and Seo, Byung-Kuk
Polyrhythms, combinations of contrasting but mathematically related rhythms, are challenging to play, even for skilled musicians. This project entails the development of an augmented reality metronome application with an auditorily spatialized, polyphonic soundscape. Audio objects within the scene are metronomes set at polyrhythmic tempos. User control is through a pair of Bose Frames eyewear and the touch screen of a phablet hosting the application. Audio output of the scene is spatialized using the Google Resonance SDK. Options for reverb, rhythmic animation of the sound sources, and visualization of the tempo are also featured.
Tactile Telepresence for Isolated Patients
(The Eurographics Association, 2020) Mostofa, Nafisa; Avendano, Indira; McMahan, Ryan P.; Welch, Gregory F.; Kulik, Alexander and Sra, Misha and Kim, Kangsoo and Seo, Byung-Kuk
For isolated patients, for example COVID-19 patients in an intensive care unit, conventional televideo tools can provide a degree of visual telepresence, but at best approximate a ''through a window'' metaphor-visitors such as loved ones cannot touch the patient. We present preliminary work aimed at providing an isolated patient and remote visitors with visual interactions that are augmented by touch-a perception of being touched for the isolated patient, and a perception of touching for the visitors.
Towards the Gamification of VR Authoring Environments
(The Eurographics Association, 2022) Horst, Robin; Schmitt, Marcel; Leipe, Andreas; Naraghi-Taghi-Off, Ramtin; Dörner, Ralf; Theophilus Teo; Ryota Kondo
The creation of content for educational Virtual Reality (VR) environments is still challenging - particularly for non-experts in the field of VR, resulting in a lack of motivation. Gamification is a tool that has shown motivational benefits in different fields, however, it remains unclear if and how it can be applied to VR authoring. In this paper, we investigate the use of established lightweight gamification mechanics within a VR authoring tool and conclude (based on user study) that our gamification improved the software quality by pragmatic qualities.

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