An everyday LCD screen has been modified to “see ... sensors between a panel’s pixels so that it can act as a touch-screen interface. But such displays have poor vision, like a camera ...

But it may also be the key to cheaply transforming regular LCD screens into touch- and gesture ... software to turn an ordinary LCD into a touch screen display. The system takes advantage of ...

Researchers at the University of Washington's aptly named Ubiquitous Computing Lab can turn any LCD monitor ... full-hand touch, five-finger touch, hovering above the screen, pushing, and pulling.