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Eye Tracking Performance in Mobile Mixed Reality

Eye Tracking Performance in Mobile Mixed Reality

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IEEE Conference on Virtual Reality and 3D user Interfaces (VR)

作者： Awasthi, Satyam Ross, Vivian Lim, Sydney Beyeler, Michael Hollerer, Tobias Univ Calif Santa Barbara Santa Barbara CA 93106 USA

ISBN: (纸本)9798350374490;9798350374506

Implementing and evaluating eye tracking across multiple platforms and use cases can be challenging due to the lack of standardized metrics and measurements. Additionally, existing calibration methods and accuracy measurements often do not account for the common scenarios of walking and scanning in mobile AR settings. We conducted user studies evaluating eye tracking on the Magic Leap One, the Meta Quest Pro, and the HoloLens 2. Our results reveal that the degree to which locomotion influenced eye tracking performance depended on the headset, with the HoloLens 2, which features a retractable visor, displaying the greatest decrease in accuracy during locomotion.

关键词： human-centered computing human computer interaction (HCI) Interaction paradigms Mixed / augmented reality human-centered computing human computer interaction (HCI) HCI design and evaluation methods user studies human-centered computing Ubiquitous and mobile computing Ubiquitous and mobile devices Mobile devices

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Inducing Emotional Stress From The Intensive Care Context Using Storytelling In VR 29

Inducing Emotional Stress From The Intensive Care Context Us...

引用

IEEE Conference on Virtual Reality and 3D user Interfaces (IEEE VR)

作者： Weiss, Sebastian Busse, Steffen Heuten, Wilko OFFIS Inst Informat Technol Oldenburg Germany Carl von Ossietzky Univ Oldenburg Oldenburg Germany

ISBN: (纸本)9781665496179

Nurses in intensive care units are exposed to permanent stress. Emotional stress contributes to psycho-physiological exhaustion symptoms such as chronic sleep disturbances, restlessness or burnout, which negatively affects the quality of care and interaction with patients. A promising method for learning coping strategies to deal with stress is Stress Inoculation Training, which involves practicing stressors in a controlled environment at increasing intensity. In this work, using virtual reality, the stressor of having to comply with the patient's or family's wishes, even if one does not agree with them, was selected. The stressor was defined based on a literature review and interviews with experts which was then implemented in three intensity levels. In a Wizard-of-Oz trial, participants interacted with virtual characters using natural speech. The stress response of the induced stress was measured using objective (heart rate, time between R peaks, skin conductance, and respiratory rate) and subjective measures (Perceived Stress Questionnaire and a 7-point Likert item). While objective results do not show significant differences between intensity levels, a significant increase is detected in the subjective measures. We show that emotional stress can be induced by increasing the intensity of a stressor in VR using virtual characters.

关键词： human-centered computing user studies human-centered computing Virtual Reality human-centered computing HCI theory, concepts and models

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Press the red button: A user study comparing notification placement with augmented and non-augmented tasks in AR 21

Press the red button: A user study comparing notification pl...

引用

21st IEEE International Symposium on Mixed and Augmented Reality (ISMAR)

作者： Plabst, Lucas Oberdoerfer, Sebastian Ortega, Francisco Niebling, Florian Univ Wurzburg HCI Grp Wurzburg Germany Colorado State Univ Comp Sci NUILAB Ft Collins CO 80523 USA Hsch Fulda Fulda Germany

ISBN: (数字)9781665453653

ISBN: (纸本)9781665453653

Visual notifications are omnipresent in applications ranging from smart phones to Virtual Reality (VR) and Augmented Reality (AR) systems. However notifications can cause disruptive effects on task performance and different notification placements have been shown to have an influence on response times, as well as e.g. on user perceived intrusiveness and disruptiveness. We investigated the effects and impacts of four visual notification types in AR environments where a card game task was performed in AR or the real world. In a user study, we interrupted the execution of the main task with one of the AR notification types.

关键词： human-centered computing user studies human-centered computing Mixed / augmented reality

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Balancing Realities by Improving Cross-Reality Interactions

Balancing Realities by Improving Cross-Reality Interactions

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IEEE Conference on Virtual Reality and 3D user Interfaces (IEEE VR)

作者： Gottsacker, Matt Univ Cent Florida Orlando FL 32816 USA

ISBN: (纸本)9781665484022

Virtual reality (VR) devices have a demonstrated capability to make users feel present in a virtual world. Research has shown that, at times, users desire a less immersive system that provides them awareness of and the ability to interact with elements from the real world and with a variety of devices. Understanding such cross-reality interactions is an under-explored research area that will become increasingly important as immersive devices become more ubiquitous. In this extended abstract, I provide an overview of my previous PhD research on facilitating cross-reality interactions between VR users and nearby non-VR interrupters. I discuss planned future research to investigate the social norms that are complicated by these interactions and design solutions that lead to meaningful interactions. These topics and questions will be discussed at the IEEE VR 2022 Doctoral Consortium.

关键词： human-centered computing human computer interaction (HCI) HCI design and evaluation methods user studies human-centered computing human computer interaction (HCI) Interaction paradigms Virtual reality

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Star Tag: a superhuman sport to promote physical activity 26

Star Tag: a superhuman sport to promote physical activity

引用

26th IEEE Conference on Virtual Reality and 3D user Interfaces (VR)

作者： Numan, Nels Kolster, Ayla Hoogerwerf, Niels Kreynen, Bernd Romeijnders, Jeanique Huala, Tomas Heinsohn Salamon, Nestor Z. Balint, J. Timothy Lukosch, Stephan Bidarra, Rafael Delft Univ Technol Delft Netherlands

ISBN: (纸本)9781728113777

Superhuman sports (SHS) is a field where technological augmentations of human abilities and environment are combined to play a new and exciting sport. SHS make use of artificial senses or virtual reality to create a new experience that involves physical fitness and skills. Star Tag aims to combine these aspects with an engaging audience experience. This augmented reality game uses the Microsoft HoloLens, making it possible to move through a mixed reality space effectively. Star Tag is a competitive multiplayer game where players need to conquer all planets from their opponent to win the game. Players need to move around in a physical space from virtual planet to virtual planet in order to navigate the game-space and reach the planets. The audience is involved with the game via their phones, through which they can support the players. Through playtesting and conducting a survey, the results show that Star Tag is a superhuman sport that motivates people to be physically active.

关键词： human-centered computing Mixed/augmented reality human-centered computing user studies human-centered computing user interface design Software and its engineering Interactive games

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Superhuman sports in mixed reality: the multi-player game League of Lasers 26

Superhuman sports in mixed reality: the multi-player game Le...

引用

26th IEEE Conference on Virtual Reality and 3D user Interfaces (VR)

作者： Miedema, Nico Arjen Vermeer, Jop Lukosch, Stephan Bidarra, Rafael Delft Univ Technol Delft Netherlands

ISBN: (纸本)9781728113777

In recent years, many promising developments have taken place around augmented, virtual and mixed-reality technology. One could wonder whether these technologies can be combined to yield a mix of video games and sports, involving physical activities previously deemed impossible: creating a superhuman sport. This work investigates how mixed-reality can be used to create a fun, intuitive and engaging superhuman sport. To this end, the game League of Lasers was developed, in which two teams compete in a mix between football and Pong, using the physical movement of the players as main means to interact within mixed-reality. An evaluation of League of Lasers with a user study with 32 participants showed that League of Lasers is perceived as a fun and immersive skill-based game.

关键词： human-centered computing Mixed / augmented reality human-centered computing user studies human-centered computing user interface design Software and its engineering Interactive games

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Smart choices for Deviceless and Device-based Manipulation in Immersive Virtual Reality 25

Smart choices for Deviceless and Device-based Manipulation i...

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25th IEEE Conference on Virtual Reality and 3D user Interfaces (IEEE VR)

作者： Caputo, Fabio M. Mendes, Daniel Bonetti, Alessia Saletti, Giacomo Giachetti, Andrea Univ Verona Verona Italy INESC ID Lisboa Lisbon Portugal

ISBN: (纸本)9781538633656

The choice of a suitable method for object manipulation is one of the most critical aspects of virtual environment design. It has been shown that different environments or applications might benefit from direct manipulation approaches, while others might be more usable with indirect ones, exploiting, for example, three dimensional virtual widgets. When it comes to mid-air interactions, the success of a manipulation technique is not only defined by the kind of application but also by the hardware setup, especially when specific restrictions exist. In this paper we present an experimental evaluation of different techniques and hardware for mid-air object manipulation in immersive virtual environments (IVE). We compared task performances using both deviceless and device-based tracking solutions, combined with direct and widget-based approaches. We also tested, in the case of freehand manipulation, the effects of different visual feedback, comparing the use of a realistic virtual hand rendering with a simple cursor-like visualization.

关键词： human-centered computing Interaction techniques human-centered computing user studies human-centered computing HCI design and evaluation methods human-centered computing Virtual reality

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