Two handed mid-air gestural HCI: point + command

Authors:
Matthias Schwaller;Simon Brunner;Denis Lalanne
Affiliations:
Department of Informatics, University of Fribourg, Fribourg, Switzerland;Department of Informatics, University of Fribourg, Fribourg, Switzerland;Department of Informatics, University of Fribourg, Fribourg, Switzerland
Venue:
HCI'13 Proceedings of the 15th international conference on Human-Computer Interaction: interaction modalities and techniques - Volume Part IV
Year:
2013

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Abstract

This paper presents work aimed at developing and evaluating various two-handed mid-air gestures to operate a computer accurately and with little effort. The main idea driving the design of these gestures is that one hand is used for pointing, and the other hand for four standard commands: selection, drag & drop, rotation and zoom. Two chosen gesture vocabularies are compared in a user evaluation. The paper further presents a novel evaluation methodology and the application developed to evaluate the four commands first separately and then together. In our user evaluation, we found significant differences for the rotation and zooming gestures. The iconic gesture vocabulary had better performance and was better rated by the users than the technological gesture vocabulary.