Niklas Elmqvist, Ph.D.


  
I-Workspaces
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Synopsis: Interaction workspaces for identity tracking in camera-based multitouch tabletops.

Details

  • Start date: July, 2009

The ability to distinguish between individual users in collaborative visualization is important for avoiding interference and facilitating cooperation. However, identification can be difficult on camera-based tabletops, where we typically cannot distinguish which tracked touch points belong to which user. Additional mechanisms are needed, such as video input, capacitance, or social and software protocols. We propose a model for the identification process on tabletop displays, and then use this model to suggest a software-based mechanism called interaction workspaces for supporting user identification. An interaction workspace is a movable and resizable region on the full visual space that belongs to a particular user, and inside which only that user is assumed to interact.

People

Publications

  • K. Kim, T. Kulkarni, N. Elmqvist. Interaction Workspaces: Identity Tracking for Multi-user Collaboration on Camera-based Multi-touch Tabletops. In Proceedings of the Workshop on Collaborative Visualization on Interactive Surfaces, pp. -, 2009. (workshop) [PDF] [Website]

Media

Interaction workspace for two collaborators working on a map-based task.