Push or Pinch? Exploring Slider Control Gestures for Touchless User Interfaces

Waugh, K., McGill, M. and Freeman, E. (2022) Push or Pinch? Exploring Slider Control Gestures for Touchless User Interfaces. In: NordiCHI 2022, Aarhus, Denmark, 8-12 October 2022, p. 37. ISBN 9781450396998 (doi: 10.1145/3546155.3546702)

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Abstract

Touchless gesture interfaces enable user interaction without the need for direct physical contact. Recently there has been increased interest in deploying such interfaces over concerns about touchscreen sterility. Many touchless displays use gestures that mimic pointer-based interactions, with a ‘cursor’ mapped to finger position, that users activate by ‘pushing’ their finger forwards. Mid-air pushing with a virtual cursor is fine for discrete interactions like button activation; however, users have difficulty exerting control over continuous interactions like sliding and scrolling, because it is challenging to keep the hand at a consistent depth when gesturing. We investigate interaction techniques for slider control that use alternative mode switches between (un)pressed states. Our findings show that pinch gestures are preferred by most users and offer a faster alternative for acquiring control of sliders, as pinching has two clearly defined states and avoids the ambiguous use of depth for delineating input states.

Item Type:Conference Proceedings
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Waugh, Mr Kieran and Freeman, Dr Euan and McGill, Dr Mark
Authors: Waugh, K., McGill, M., and Freeman, E.
College/School:College of Science and Engineering > School of Computing Science
ISBN:9781450396998
Copyright Holders:Copyright © 2022 ACM
First Published:First published in NordiCHI 2022: 37
Publisher Policy:Reproduced in accordance with the publisher copyright policy
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