Extending interactions into hoverspace using reflected light

Authors:
Dmitry Pyryeskin;Mark Hancock;Jesse Hoey
Affiliations:
University of Waterloo, Waterloo, Ontario, Canada;University of Waterloo, Waterloo, Ontario, Canada;University of Waterloo, Waterloo, Ontario, Canada
Venue:
Proceedings of the ACM International Conference on Interactive Tabletops and Surfaces
Year:
2011

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Abstract

Multi-touch tables are becoming increasingly popular and much research is dedicated to developing suitable interaction paradigms. There also exist multiple techniques aimed at extending interactions into the hoverspace---the space directly above a multi-touch table. We propose a novel hover-space method that does not require any additional hardware or modification of existing vision-based multi-touch tables. Our prototype system was developed on a Diffused Surface Illumination (DSI) vision-based multi-touch set up, and uses light reflected from a person's palm to estimate its position in 3D space above the table.