Realising that the oft-promised 'paperless office' may never actually come to fruition,
researchers at Fujitsu are working on a backup plan that gives printed
documents similar tablet-like touchscreen functionality.
Using a tabletop
projector, webcam, and other sensors, the system can precisely detect finger
movements and motion in 3D, allowing a user to interact with a printed page and
digitize text or pictures by simply tapping or dragging out selection boxes.
The projector creates UI elements that are perfectly matched to a user's finger
motions, but it can also facilitate additional content like animations or
videos on the page. One thing's for certain, staying up all night to cram for a
college final would be a heck of a lot easier with an enhanced textbook. [Source]
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