Visualisation bifocale sur supports mobiles : une étude empirique

Abstract : Interactive visualization on mobile devices addresses the problem of large information spaces and small displays. Focusing on 1D/temporal information structures, the paper empirically investigates bifocal display on mobile devices by considering the output visualization and the input modalities for one-dimensional navigation. The intuitive layout of a detailed view in the center (focus) and perspective/distorted panels on either side (context) is particularly suitable for maximizing the utilization of the available display area in landscape mode. We provide a first experiment of a bifocal display on a mobile device. The results of a first qualitative experiment confirm the users’ preference for a coherent display where two levels of details are concurrently visible on the phone’s screen for tasks that involve exploration of the entire set. The second quantitative experiment focuses on navigational tasks with the bifocal display and compares the traditional touch-based flick and two variants of it, namely tilt+flick and dynamic-peephole+flick. The results show that the combined modality dynamic-peephole+flick outperforms the combined modality tilt+flick when the target is very far from the focus area.
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Sébastien Pelurson, Laurence Nigay. Visualisation bifocale sur supports mobiles : une étude empirique. 27ème conférence francophone sur l'Interaction Homme-Machine., Oct 2015, Toulouse, France. pp.a20, ⟨10.1145/2820619.2820639⟩. ⟨hal-01218771⟩

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