research-article

Impact of softness on users’ perception of curvature for future soft curvature-changing UIs

Authors:

Céline CoutrixAuthors Info & Claims

CHI '23: Proceedings of the 2023 CHI Conference on Human Factors in Computing Systems

Article No.: 747, Pages 1 - 19

https://doi.org/10.1145/3544548.3581179

Published: 19 April 2023 Publication History

Abstract

Soft (compliant) curvature-changing UIs provide haptic feedback through changes in softness and curvature. Different softness can impact the deformation of UIs when worn and touched, and thus impact the users’ perception of the curvature. To investigate how softness impacts users’ perception of curvature, we measured participants’ curvature perception accuracy and precision in different softness conditions. We found that participants perceived the curviest surfaces with similar precision in all different softness conditions. Participants lost half the precision of the rigid material when touching the flattest surfaces with the softest material. Participants perceived all curvatures with similar accuracy in all softness conditions. The results of our experiment lay the foundation for soft curvature perception and provide guidelines for the future design of curvature- and softness-changing UIs.

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Cited By

Fan ZSanson ARames TCoutrix C(2024)Design and Perception of a Soft Shape Change Beneath a SmartwatchProceedings of the ACM on Human-Computer Interaction10.1145/36764958:MHCI(1-23)Online publication date: 24-Sep-2024
https://dl.acm.org/doi/10.1145/3676495
Fan ZSanson ARames TCoutrix C(2024)Design and Perception of a Soft Shape Change Beneath a SmartwatchProceedings of the 35th Conference on l'Interaction Humain-Machine10.1145/3649792.3649800(1-14)Online publication date: 25-Mar-2024
https://dl.acm.org/doi/10.1145/3649792.3649800
Park CChoi S(2024)Augmenting Perceived Length of Handheld Controllers: Effects of Object Handle PropertiesProceedings of the 2024 CHI Conference on Human Factors in Computing Systems10.1145/3613904.3642251(1-11)Online publication date: 11-May-2024
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Index Terms

Impact of softness on users’ perception of curvature for future soft curvature-changing UIs

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cover image ACM Conferences

CHI '23: Proceedings of the 2023 CHI Conference on Human Factors in Computing Systems

April 2023

14911 pages

ISBN:9781450394215

DOI:10.1145/3544548

Editors:
Albrecht Schmidt
LMU Munich, Germany60028717
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Kaisa Väänänen
Tampere University, Finland60011170
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Tesh Goyal
Google Research, USA60006191
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Per Ola Kristensson
University of Cambridge, UK60031101
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Anicia Peters
University of Namibia, Namibia60072704
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Stefanie Mueller
Massachusetts Institute of Technology, USA60022195
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Julie R. Williamson
University of Glasgow, UK60001490
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Max L. Wilson
University of Nottingham, UK60015138

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Cited By

Fan ZSanson ARames TCoutrix C(2024)Design and Perception of a Soft Shape Change Beneath a SmartwatchProceedings of the ACM on Human-Computer Interaction10.1145/36764958:MHCI(1-23)Online publication date: 24-Sep-2024
https://dl.acm.org/doi/10.1145/3676495
Fan ZSanson ARames TCoutrix C(2024)Design and Perception of a Soft Shape Change Beneath a SmartwatchProceedings of the 35th Conference on l'Interaction Humain-Machine10.1145/3649792.3649800(1-14)Online publication date: 25-Mar-2024
https://dl.acm.org/doi/10.1145/3649792.3649800
Park CChoi S(2024)Augmenting Perceived Length of Handheld Controllers: Effects of Object Handle PropertiesProceedings of the 2024 CHI Conference on Human Factors in Computing Systems10.1145/3613904.3642251(1-11)Online publication date: 11-May-2024
https://dl.acm.org/doi/10.1145/3613904.3642251
Steer CSauvé KJain ALawal OProulx MJicol CAlexander J(2024)Squishy, Yet Satisfying: Exploring Deformable Shapes' Cross-Modal Correspondences with Colours and EmotionsProceedings of the 2024 CHI Conference on Human Factors in Computing Systems10.1145/3613904.3641952(1-20)Online publication date: 11-May-2024
https://dl.acm.org/doi/10.1145/3613904.3641952
Yu JPerera PPerera RValashani MWithana A(2024)Fabricating Customizable 3-D Printed Pressure Sensors by Tuning Infill CharacteristicsIEEE Sensors Journal10.1109/JSEN.2024.335833024:6(7604-7613)Online publication date: 15-Mar-2024
https://doi.org/10.1109/JSEN.2024.3358330

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