BiTouch and BiPad: Designing Bimanual Interaction for Hand-held Tablets

Julie Wagner 1, 2 Stéphane Huot 1, 2 W.E. Mackay 1, 2
1 IN-SITU - Situated interaction
LRI - Laboratoire de Recherche en Informatique, UP11 - Université Paris-Sud - Paris 11, Inria Saclay - Ile de France, CNRS - Centre National de la Recherche Scientifique : UMR8623
Abstract : Despite the demonstrated benefits of bimanual interaction, most tablets use just one hand for interaction, to free the other for support. In a preliminary study, we identified five holds that permit simultaneous support and interaction, and noted that users frequently change position to combat fatigue. We then designed the BiTouch design space, which introduces a support function in the kinematic chain model for interacting with hand-held tablets, and developed BiPad, a toolkit for creating bimanual tablet interaction with the thumb or the fingers of the supporting hand. We ran a controlled experiment to explore how tablet orientation and hand position affect three novel techniques: bimanual taps, gestures and chords. Bimanual taps outperformed our one-handed control condition in both landscape and portrait orientations; bimanual chords and gestures in portrait mode only; and thumbs outperformed fingers, but were more tiring and less stable. Together, BiTouch and BiPad offer new opportunities for designing bimanual interaction on hand-held tablets.
Type de document :
Communication dans un congrès
CHI'12 - 30th International Conference on Human Factors in Computing Systems - 2012, May 2012, Austin, United States. ACM Press, 2012
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Dernière modification le : jeudi 9 novembre 2017 - 16:42:26
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Julie Wagner, Stéphane Huot, W.E. Mackay. BiTouch and BiPad: Designing Bimanual Interaction for Hand-held Tablets. CHI'12 - 30th International Conference on Human Factors in Computing Systems - 2012, May 2012, Austin, United States. ACM Press, 2012. 〈hal-00663972〉

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