Point-and-Shake: Selecting from Levitating Object Displays

Freeman, E. , Williamson, J., Subramanian, S. and Brewster, S. (2018) Point-and-Shake: Selecting from Levitating Object Displays. In: 2018 CHI Conference on Human Factors in Computing Systems, Montréal, QC, Canada, 21-26 Apr 2018, p. 18. ISBN 9781450356206 (doi:10.1145/3173574.3173592)

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Abstract

Acoustic levitation enables a radical new type of human-computer interface composed of small levitating objects. For the first time, we investigate the selection of such objects, an important part of interaction with a levitating object display. We present Point-and-Shake, a mid-air pointing interaction for selecting levitating objects, with feedback given through object movement. We describe the implementation of this technique and present two user studies that evaluate it. The first study found that users could accurately (96%) and quickly (4.1s) select objects by pointing at them. The second study found that users were able to accurately (95%) and quickly (3s) select occluded objects. These results show that Point-and-Shake is an effective way of initiating interaction with levitating object displays.

Item Type:Conference Proceedings
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Brewster, Professor Stephen and Williamson, Dr Julie and Freeman, Dr Euan
Authors: Freeman, E., Williamson, J., Subramanian, S., and Brewster, S.
Subjects:T Technology > T Technology (General)
College/School:College of Science and Engineering > School of Computing Science
ISBN:9781450356206
Copyright Holders:Copyright © 2018 The Authors
First Published:First published in 2018 CHI Conference on Human Factors in Computing Systems: 18
Publisher Policy:Reproduced in accordance with the publisher copyright policy
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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
702161LevitateStephen BrewsterEuropean Commission (EC)737087COM - COMPUTING SCIENCE