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Dynamic visualization of large numbers of off-screen objects on mobile devices: an experimental comparison of wedge and overview+detail
Authors: Burigat S., Chittaro L., Vianello A.
Published in: Proceedings of MOBILE HCI 2012: 14th International Conference on Human-Computer Interaction with Mobile Devices and Services, ACM Press, New York, September 2012, pp. 93-102.
Abstract: Overview+Detail and Wedge have been proposed in the literature as effective approaches to resolve the off-screen objects problem on mobile devices. However, they have been studied with a small number of off-screen objects and (in most studies) with static scenarios, in which users did not have to perform any navigation activity. In this paper, we propose improvements to Wedge and Overview+Detail which are specifically aimed at simplifying their use in dynamic scenarios that involve large numbers of off-screen objects. We compare the effectiveness of the two approaches in the considered scenario with a user study, whose results show that Overview+Detail allows users to be faster in searching for off-screen objects and more accurate in estimating their location.
Copyright: © ACM Press 2012. The Authors retain the right to post their own author-versions of preprints and revisions, including versions covered by ACM copyright but not versions downloaded from the ACM Digital Library, in a personal collection on their own or thier employer's server; such copies must be limited to noncommercial distributions and personal use by others and the ACM copyright notice must be attached.