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Michel Pahud
Publications by Michel Pahud (bibliography)
Hinckley, Ken, Yatani, Koji, Pahud, Michel, Coddington, Nicole, Rodenhouse, Jenny, Wilson, Andy, Benko, Hrvoje and Buxton, Bill (2010): Manual deskterity: an exploration of simultaneous pen + touch direct input. In: Proceedings of ACM CHI 2010 Conference on Human Factors in Computing Systems 2010. pp. 2793-2802.
Manual Deskterity is a prototype digital drafting table that supports both pen and touch input. We explore a division of labor between pen and touch that flows from natural human skill and differentiation of roles of the hands. We also explore the simultaneous use of pen and touch to support novel compound gestures.
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Pahud, Michel, Inkpen, Kori, Benko, Hrvoje, Tang, John C. and Buxton, Bill (2010): Three's company: understanding communication channels in three-way distributed collaboration. In: Proceedings of ACM CSCW10 Conference on Computer-Supported Cooperative Work 2010. pp. 271-280.
We explore the design of a system for three-way collaboration over a shared visual workspace, specifically in how to support three channels of communication: person, reference, and task-space. In two studies, we explore the implications of extending designs intended for dyadic collaboration to three-person groups, and the role of each communication channel. Our studies illustrate the utility of multiple configurations of users around a distributed workspace, and explore the subtleties of traditional notions of identity, awareness, spatial metaphor, and corporeal embodiments as they relate to three-way collaboration.
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Hinckley, Ken, Yatani, Koji, Pahud, Michel, Coddington, Nicole, Rodenhouse, Jenny, Wilson, Andy, Benko, Hrvoje and Buxton, Bill (2010): Pen + touch = new tools. In: Proceedings of the 2010 ACM Symposium on User Interface Software and Technology 2010. pp. 27-36.
We describe techniques for direct pen+touch input. We observe people's manual behaviors with physical paper and notebooks. These serve as the foundation for a prototype Microsoft Surface application, centered on note-taking and scrapbooking of materials. Based on our explorations we advocate a division of labor between pen and touch: the pen writes, touch manipulates, and the combination of pen + touch yields new tools. This articulates how our system interprets unimodal pen, unimodal touch, and multimodal pen+touch inputs, respectively. For example, the user can hold a photo and drag off with the pen to create and place a copy; hold a photo and cross it in a freeform path with the pen to slice it in two; or hold selected photos and tap one with the pen to staple them all together. Touch thus unifies object selection with mode switching of the pen, while the muscular tension of holding touch serves as the "glue" that phrases together all the inputs into a unitary multimodal gesture. This helps the UI designer to avoid encumbrances such as physical buttons, persistent modes, or widgets that detract from the user's focus on the workspace.
© All rights reserved Hinckley et al. and/or their publisher
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