From New Scientist [via Boing Boing]:
The holographic images are still rather fuzzy. But just a couple of months after the first demonstration of holographic telepresence, the frame rate has jumped a factor of 30, from one frame every two seconds to an impressive 15 frames per second.
Michael Bove’s group at the MIT Media Lab achieved the feat by hacking the camera sensor from a Kinect gesture-recognition system for Microsoft’s Xbox 360 and crunching data with standard graphics chips.To give their demonstration extra flair, graduate student Edwina Portocarrero dressed up as Princess Leia from Star Wars and recreated the famous holographic projection of a plea for help from the movie.
Kinect used to create holographic video of Princess Leia
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So give it another few years