We can touch things, and our senses tell us when our hands are touching something. But most computer input devices cannot detect when the user touches or releases the device or so...
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...
A novel touch screen technology is presented. TouchLight uses simple image processing techniques to combine the output of two video cameras placed behind a semi-transparent plane ...
Narrow key pitch of compact input devices confuses finger pressure at a key touch pad. To make keys more distinguishable and to improve user-friendliness of such input devices, w...