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May 8, 2021 Conor R. Foy, John J. Dudley, Aakar Gupta, Hrvoje Benko, Per Ola Kristensson
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Understanding, Detecting and Mitigating the Effects of Coactivations in Ten-Finger Mid-Air Typing in Virtual Reality

In this paper we examine the features that discriminate intentional activations from coactivations. Based on this analysis, we demonstrate three alternative coactivation detection strategies with high discrimination power. Finally, we integrate coactivation detection into a probabilistic decoder and demonstrate its ability to further reduce uncorrected character error rates by approximately 10% relative and 0.9% absolute.
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May 8, 2021 Sunggeun Ahn, Stephanie Santosa, Mark Parent, Daniel Wigdor, Tovi Grossman, Marcello Giordano
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StickyPie: A Gaze-Based, Scale-Invariant Marking Menu Optimized for AR/VR

This work explores the design of marking menus for gaze-based AR/VR menu selection by expert and novice users. It first identifies and explains the challenges inherent in ocular motor control and current eye tracking hardware, including overshooting, incorrect selections, and false activations.
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May 8, 2021 Zhen Li, Joannes Chan, Joshua Walton, Hrvoje Benko, Daniel Wigdor, Michael Glueck
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Armstrong: An Empirical Examination of Pointing at Non-Dominant Arm-Anchored UIs in Virtual Reality

Results demonstrated that targets appearing closer to the skin, located around the wrist, or placed on the medial side of the forearm could be selected more quickly than targets farther away from the skin, located around the elbow, or on the lateral side of the forearm. Based on these results, we developed Armstrong guidelines, demonstrated through a Unity plugin to enable designers to create performance-optimized arm-anchored 3D UI layouts.
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May 8, 2021 Mackenzie Leake, Frances Lai, Tovi Grossman, Daniel Wigdor, Ben Lafreniere
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PatchProv: Supporting Improvisational Design Practices for Modern Quilting

To investigate how this type of design process can be supported, and to address challenges faced by practitioners, this paper presents PatchProv, a system for supporting improvisational quilt design.
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May 8, 2021 Michal Luria, Nate Foulds
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Hashtag-Forget: Using Social Media Ephemerality to Support Evolving Identities

In an 8-day qualitative diary study, participants reported when they posted on social media, and responded to questions about the type of content they shared, their motivation, and the content’s ideal duration. We discuss our findings about short-term and long-term ephemerality as part of the social media experience, and the potential impact on the evolving identities of teenagers and young adults.
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April 16, 2021 Carine Rognon, Taylor Bunge, Meiyuzi Gao, Chip Conor, Benjamin Stephens-Fripp, Casey Brown, Ali Israr
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An Online Survey on the Perception of Mediated Social Touch Interaction and Device Design

Mediated social touch enables physical interactions, despite the distance, by transmitting the haptic cues that constitute social touch through devices. As this technology is fairly new, the users’ needs and their expectations on a device design and its features are unclear, as well as who would use this technology, and in which conditions.
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March 17, 2021 Benjamin Lucas, Ben Kozary
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Chromatic-Luminance and True-Texture Analysis for Image Mining in the Social Sciences

Specifically: we focus here on the basics of teaching computers to ‘think like people’ in making decisions about what visual content is most interesting or important to human viewers.
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December 21, 2020 May Yen, Francesco Colella, Harri Kytomaa, Boyd Allin, Alex Ockfen
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Contact Burn Injuries Part I: The influence of object thermal mass

This paper is the first of a two-part series that discusses a numerical methodology that relies on the concept of cumulative equivalent exposure to evaluate contact burn injury thresholds.
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December 21, 2020 May Yen, Francesco Colella, Harri Kytomaa, Boyd Allin, Alex Ockfen
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Contact Burn Injuries Part II: The influence of object shape, size, contact resistance, and applied heat flux

This paper is the second of a two-part series that discusses a numerical methodology that relies on the concept of cumulative equivalent exposure to evaluate contact burn injury thresholds. In Part I, the effect of a finite thermal mass is analyzed for an infinite plate of several finite thicknesses. In Part II, the sensitivities to object shape, size, thickness, contact resistance and applied heat flux are considered.
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November 9, 2020 Aakar Gupta, Majed Samad, Kenrick Kin, Per Ola Kristensson, Hrvoje Benko
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Investigating Remote Tactile Feedback for Mid-Air Text-Entry in Virtual Reality

In this paper, we investigate the utility of remote tactile feedback for freehand text-entry on a mid-air Qwerty keyboard in VR. To that end, we use insights from prior work to design a virtual keyboard along with different forms of tactile feedback, both spatial and non-spatial, for fingers and for wrists.
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