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Sensor-Based Occluded Face-Part Reconstruction: Eye Tracking and Facial Expressions
Abhijit Karande;Christian Purps;Jonas Deuchler;Daniel Hepperle;Matthias Wölfel
2023 IEEE 2nd International Conference on Cognitive Aspects of Virtual Reality (CVR)
Year: 2023 | Conference Paper |
Tracking facial expressions while wearing a head-mounted display is challenging as relevant features are occluded by the device. For example, camera-based sensors are limited in their ability to access the entire upper facial region due to occlusion and distortion of this specific region by the headset. To overcome these limitations, this research explores the potential of using biosignals from fa...Show More
Streamlining Physiological Observations in Immersive Virtual Reality Studies with the Virtual Reality Scientific Toolkit
Jonas Deuchler;Wladimir Hettmann;Daniel Hepperle;Matthias Wölfel
2023 IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops (VRW)
Year: 2023 | Conference Paper |
Cited by: Papers (5)
The open-source Virtual Reality Scientific Toolkit (VRSTK) facil-itates designing and conducting user studies in immersive virtual reality (VR) environments within the Unity 3D real-time development platform. Features include recording and reviewing scenes, collecting and evaluating user-specific data from sensors or in-Vr questionnaires, and remote and multi-user setups. In this paper, we describ...Show More
When Left Behind in Multi-User Virtual Reality: Clues to Indicate the Absence of Users
2022 International Conference on Cyberworlds (CW)
Year: 2022 | Conference Paper |
Recently, with the increasing popularity of immersive virtual reality, synchronous communication via avatars in virtual worlds has become more popular. In contrast to asynchronous communication—like social media platforms—people expect others to be present during embodied, virtual interactions. However, for a variety of reasons, this is not always the case.While some communication media provide a ...Show More
Asymmetric Normalization in Social Virtual Reality Studies
2022 IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops (VRW)
Year: 2022 | Conference Paper |
Cited by: Papers (2)
We introduce the concept of asymmetric normalization, which refers to decoupling sensory self-perception from the perception of others in a shared virtual environment to present each user with a normalized version of the other users. This concept can be ap-plied to various avatar-related elements such as appearance, location, or non-verbal communication. For example, each participant in a polyadic...Show More
Entering a new Dimension in Virtual Reality Research: An Overview of Existing Toolkits, their Features and Challenges
Matthias Wölfel;Daniel Hepperle;Christian Felix Purps;Jonas Deuchler;Wladimir Hettmann
2021 International Conference on Cyberworlds (CW)
Year: 2021 | Conference Paper |
Cited by: Papers (14)
Virtual reality becomes a medium to be explored for itself, to study human factors and human behavior within these worlds, and to infer possible behavior in the real world. Among many advantages, building test routines in virtual environments remains a challenge due to the lack of established procedures and toolkits. To encourage research in this direction and lower the barrier to entry, it is nec...Show More
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