Browsing by Author "Forlines, Clifton"

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    Exploring True Multi-User Multimodal Interaction over a Digital Table
    (2007-08-21) Tse, Edward; Greenberg, Saul; Shen, Chia; Forlines, Clifton; Kodama, Ryo
    True multi-user, multimodal interaction over a digital table lets co-located people simultaneously gesture and speak commands to control an application. We explore this design space through a case study, where we implemented an application that supports the KJ creativity method as used by industrial designers. Four key design issues emerged that have a significant impact on how people would use such a multi-user multimodal system. First, parallel work is affected by the design of multimodal commands. Second, individual mode switches can be confusing to collaborators, especially if speech commands are used. Third, establishing personal and group territories can hinder particular tasks that require artefact neutrality. Finally, timing needs to be considered when designing joint multimodal commands. We also describe our model view controller architecture for true multi-user multimodal interaction.
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    ItemOpen Access
    MULTIMODAL MULTIPLAYER TABLETOP GAMING
    (2006-02-23) Tse, Edward; Greenberg, Saul; Shen, Chia; Forlines, Clifton
    There is a large disparity between the rich physical interfaces of co-located arcade games and the generic input devices seen in most home console systems. In this paper we argue that a digital table is a conducive form factor for general co-located home gaming as it affords: (a) seating in collaboratively relevant positions that give all equal opportunity to reach into the surface and share a common view, (b) rich whole handed gesture input normally only seen when handling physical objects, (c) the ability to monitor how others use space and access objects on the surface, and (d) the ability to communicate to each other and interact atop the surface via gestures and verbal utterances. Our thesis is that multimodal gesture and speech input benefits collaborative interaction over such a digital table. To investigate this thesis, we designed a multimodal, multiplayer gaming environment that allows players to interact directly atop a digital table via speech and rich whole hand gestures. We transform two commercial single player computer games, representing a strategy and simulation game genre, to work within this setting.