From Touchpad to Smart Lens: A Comparative Study on Smartphone Interaction with Public Displays

Matthias Baldauf, Peter Fröhlich, Jasmin Buchta and Theresa Stürmer
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Matthias Baldauf: FTW Telecommunications Research Center Vienna, Vienna, Austria
Peter Fröhlich: FTW Telecommunications Research Center Vienna, Vienna, Austria
Jasmin Buchta: FTW Telecommunications Research Center Vienna, Vienna, Austria
Theresa Stürmer: FTW Telecommunications Research Center Vienna, Vienna, Austria

International Journal of Mobile Human Computer Interaction (IJMHCI), 2013, vol. 5, issue 2, 1-20

Abstract: Today’s smartphones provide the technical means to serve as interfaces for public displays in various ways. Even though recent research has identified several new approaches for mobile-display interaction, inter-technique comparisons of respective methods are scarce. The authors conducted an experimental user study on four currently relevant mobile-display interaction techniques (‘Touchpad’, ‘Pointer’, ‘Mini Video’, and ‘Smart Lens’) and learned that their suitability strongly depends on the task and use case at hand. The study results indicate that mobile-display interactions based on a traditional touchpad metaphor are time-consuming but highly accurate in standard target acquisition tasks. The direct interaction techniques Mini Video and Smart Lens had comparably good completion times, and especially Mini Video appeared to be best suited for complex visual manipulation tasks like drawing. Smartphone-based pointing turned out to be generally inferior to the other alternatives. Examples for the application of these differentiated results to real-world use cases are provided.

Date: 2013
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International Journal of Mobile Human Computer Interaction (IJMHCI) is currently edited by Joanna Lumsden

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