June 25, 2004
Multi-viewpoint TV
Technology Review: Fragments Boost 3D TV
In January 2001, CBS spiced up its coverage of the Super Bowl with a special effect that allowed the broadcaster to freeze a replay, arbitrarily change the viewpoint and continue the replay. Researchers around the world are looking to take this technology further by enabling viewpoint changes as the action, including live-action, unfolds, and by letting viewers controlled viewpoint.
The formidable technical challenge in presenting real-time, free-viewpoint three-dimensional video is the enormous amount of information contained in the stream of video information.
Researchers from Swiss Federal Institute of Technology (ETH) in Zürich have devised a way to process three-dimensional video in real-time that reduces the amount of data to the manageable level of 3 megabits per second.
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