Communications of the ACM
Digital Tabletop System With Views on Demand
PiVOT uses two view zones to provide individual users with personalized views, while presenting an unaffected and unobstructed shared view to all users.
Credit: Bristol University
Scientists presented a tabletop system that supports mixed-focus collaborative tasks during the 25th ACM UIST 2012 symposium.
Personalized view-overlays for tabletops (PiVOT) uses two view zones to provide individual users with personalized views, while presenting an unaffected and unobstructed shared view to all users. The system supports multiple personalized views, which can be in the same spatial location and yet be visible only to the users it belongs to. "For example, when looking at a city map, if I want to see traffic information I can lean forward and see the traffic-overlay while other people can, at the same time, lean forward and see the elevation information for a particular street," says Bristol professor Sriram Subramanian. "Everyone else who is not leaning forward will continue to see the undistorted city map. Their view will not interfere with mine, even if it is on the same spatial location."
Bristol researchers led the development of PiVOT, which also allows the creation of personal views that can be either two-dimensional or auto-stereoscopic three-dimensional images. The team used an arrangement of liquid crystals to create the tabletop system.
From Bristol University
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Abstracts Copyright © 2012 Information Inc., Bethesda, Maryland, USA
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