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Sven Kratz, Michael Rohs
Unobtrusive Tabletops: Linking Personal Devices with Regular Tables
Workshop on Multitouch and Surface Computing at CHI '09, Boston, MA, USA, April 4, 2009. (bib)

In this paper we argue that for wide deployment, interactive surfaces should be embedded in real environments as unobtrusively as possible. Rather than deploying dedicated interactive furniture, in environments such as pubs, cafÃ©s, or homes it is often more acceptable to augment existing tables with interactive functionality. One example is the use of robust camera-projector systems in real-world settings in combination with spatially tracked touch-enabled personal devices. This retains the normal usage of tabletop surfaces, solves privacy issues, and allows for storage of media items on the personal devices. Moreover, user input can easily be tracked with high precision and low latency and can be attributed to individual users.