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196 results on '"Eyal Ofek"'

1. A mechatronic shape display based on auxetic materials

Author

Anthony Steed, Eyal Ofek, Mike Sinclair, and Mar Gonzalez-Franco

Subjects
Science
Abstract

Though shape-changing devices are promising for future haptic displays, existing designs fail to provide smooth surfaces for the user during tactile exploration. Here, the authors utilize flexible auxetic structures to realize shape displays with smooth surfaces and different Gaussian curvatures.

Published
2021
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46. Quantifying the Effects of Working in VR for One Week

Author

Verena Biener, Snehanjali Kalamkar, Negar Nouri, Eyal Ofek, Michel Pahud, John J. Dudley, Jinghui Hu, Per Ola Kristensson, Maheshya Weerasinghe, Klen Copic Pucihar, Matjaz Kljun, Stephan Streuber, and Jens Grubert

Subjects
FOS: Computer and information sciences, User-Computer Interface, I.3.7, Signal Processing, Computer Graphics, Virtual Reality, Computer Science - Human-Computer Interaction, Humans, Computer Vision and Pattern Recognition, Computer Graphics and Computer-Aided Design, Software, Human-Computer Interaction (cs.HC)
Abstract

Virtual Reality (VR) provides new possibilities for modern knowledge work. However, the potential advantages of virtual work environments can only be used if it is feasible to work in them for an extended period of time. Until now, there are limited studies of long-term effects when working in VR. This paper addresses the need for understanding such long-term effects. Specifically, we report on a comparative study (n=16), in which participants were working in VR for an entire week -- for five days, eight hours each day -- as well as in a baseline physical desktop environment. This study aims to quantify the effects of exchanging a desktop-based work environment with a VR-based environment. Hence, during this study, we do not present the participants with the best possible VR system but rather a setup delivering a comparable experience to working in the physical desktop environment. The study reveals that, as expected, VR results in significantly worse ratings across most measures. Among other results, we found concerning levels of simulator sickness, below average usability ratings and two participants dropped out on the first day using VR, due to migraine, nausea and anxiety. Nevertheless, there is some indication that participants gradually overcame negative first impressions and initial discomfort. Overall, this study helps lay the groundwork for subsequent research, by clearly highlighting current shortcomings and identifying opportunities for improving the experience of working in VR., 11 pages

Published
2022

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