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Squish this: force input on soft surfaces for visual targeting tasks

  • Today's typical input device is flat, rigid and made of glass. However, advances in sensing technology and interaction design suggest thinking about input on other surface, including soft materials. While touching rigid and soft materials might feel similar, they clearly feel different when pressure is applied to them. Yet, to date, studies only investigated force input on rigid surfaces. We present a first systematic evaluation of the effects of compliance on force input. Results of a visual targeting task for three levels of softness indicate that high force levels appear more demanding for soft surfaces, but that performance is otherwise similar. Performance remained very high (∼ 5% for 20 force levels) regardless of the compliance, suggesting force input was underestimated so far. We infer implications for the design of force input on soft surfaces and conclude that interaction models used on rigid surfaces might be used on soft surfaces.

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Document Type:Conference Proceeding
conferenceobject_Type:Beitrag in Tagungsband
Conference Place:Yokohama <JPN>
Conference Date:08.05.2021-13.05.2021
Author:Bruno FruchardORCiD, Paul StrohmeierORCiD, Roland BennewitzORCiD, Jürgen SteimleORCiD
Parent Title (English):CHI '21: CHI Conference on Human Factors in Computing Systems, Yokohama
Publisher:ACM Digital Library
Year of first Publication:2021
Release Date:2022/08/05
Tag:Pressure input
Force input; Soft surfaces; User study
Groups:Interaktive Oberflächen
DDC classes:500 Naturwissenschaften und Mathematik / 530 Physik
Open Access:Open Access
Signature:INM 2021/153
Licence (German):License LogoCreative Commons - CC BY - Namensnennung 4.0 International