[http://www.blogcdn.com/www.engadget.com/media/2011/09/md09fo1g3-d-fernsehen-ohne-brilletcm63-94278.jpg](http://www.engadget.com/2011/09/15/fraunhofers-stan-four-cameras-three-dimensions-no-glasses/)
There are some [glasses-free](http://www.engadget.com/2011/01/04/hands-on-with-toshibas-4k-glasses-free-3dtv-prototype/) [3D TVs](http://www.engadget.com/2010/09/03/philips-dimenco-3d-tv-of-the-glasses-free-future-hopefully-our/) around, but their limited viewing angles and poor picture quality aren't very inspiring -- so [Fraunhofer's](http://www.engadget.com/tag/Fraunhofer/) latest project is a welcome endeavor. It's developed STAN (STereoscopic ANalyzer), a system that lets broadcasters easily use four cameras instead of the usual two, for 3D recording. 3D needs a minimum of two lenses to register depth and keeping multiple shooters in sync is tough and expensive. That's led to the industry relying on two, which is why glasses-free ([autostereoscopic](http://www.engadget.com/2010/07/28/sonys-360-degree-raymodeler-3d-display-brings-its-glasses-free/)) 3D TVs get such a poor picture; more cameras means more viewing angles. STAN co-ordinates the setup of the four cameras and then uses a feature detector to identify common elements in the pictures and merges them into a 3D image. Four cameras provide much more depth, which means more viewing angles, which means that if STAN gets picked up, [these guys](http://www.engadget.com/2010/07/29/espn-3d-schedules-13-college-football-broadcasts-this-season-va/) can throw away the sunglasses, even for live broadcasts.
Fraunhofer’s STAN: four cameras, three dimensions, no glasses originally appeared on Engadget on Thu, 15 Sep 2011 15:46:00 EDT. Please see our terms for use of feeds.
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