In this paper, we describe the design of menus for multi-user digital tabletops. On direct input surfaces, occlusions created by the user's hand decrease interaction performa...
Peter Brandl, Jakob Leitner, Thomas Seifried, Mich...
This paper describes a user interface for video chat that is capable of panning, tilting, and zooming (PTZ) operation using head tracking. The approach is to map a captured 3D pos...
Kota Yamaguchi, Takashi Komuro, Masatoshi Ishikawa
One of the biggest unaddressed challenges for the digital economy is what to do when electronic transactions go wrong. Consumers are frustrated by interminable phone menus, and lo...
Tabletop applications cannot display more than a few dozen on-screen objects. The reason is their limited size: tables cannot become larger than arm's length without giving u...