Pico projectors are an easy way to increase the screen real estate of your mobile phone, but what if you'd rather not carry one around in your pocket? A team of creative researchers may have come up with an elegant solution to your problem that can work with any smart phone and external display: virtual projection.
The system works by using a central server that constantly takes screenshots of the external display and compares them with the images from the phone's camera to track its location. It then replicates what's on the handset's screen, while allowing you to add multiple image windows and position and rotate them as you see fit. Additionally, multiple users can collaborate and virtually project pictures or videos onscreen at the same time.
See it in action for yourself in the video below:
Virtual Projection is a joint research project of the University of Munich (LMU), the University of Calgary and Columbia University by Dominikus Baur, Sebastian Boring, and Steven Feiner. It will be presented at the CHI 2012 conference held in May in Austin, TX, USA.
Virtual Projection leverages the idea of bringing optical projection to digital surfaces, thus making it just as easy to temporarily transfer information from a phone to a larger display. As virtual projections are only simulated, we can overcome some of the restrictions of their real-world inspiration: (1) We can freely adjust distortion and transformation depending on the application's needs. (2) We can fix virtual projections to the display and create multiple ones at the same time.
Engadget
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