Read the whole story here: http://www.wired.com/gadgetlab/2009/12/3d-movies/" onclick="window.open(this.href);return false;Wired Explains: How 3-D Movie Projection Works
by Brian X. Chen
Every few years you’ve probably watched a mainstream movie through a pair of glasses that make creatures, people and explosions pop out of the screen. And if you’ve bought into the massive hype, you were probably lining up this past weekend for James Cameron’s Avatar, which is screening in 3-D.
You might wonder, why can’t more movies be shown in 3-D? It would just take some post-production video rendering and a pair of stereoscopic glasses, right?
Actually, 3-D projection is a lot more complicated — and expensive — than one would think. In anticipation of Avatar, Wired.com paid a visit to Dolby Laboratories in San Francisco to learn about the history of 3-D movie technology leading up to its current state.
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Theaters projecting 3-D movies with the anaglyph method had to install silver screens for an ideal viewing experience. That’s because the more reflective screen helped keep the two different light signals separated.
Still sucks *** compared to polarized/shutter solution.3-D movie technology has come a long way. Anaglyph imaging has improved: Glasses now are typically red and cyan, which, when combined, can make use of all three primary colors, resulting in more realistic color perception
And what they have been using this red/cyan combo for hundreds of years wtf!???
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The writer talks about many stereosolutions reald,dolby (infitec) etc, and then assumes it's anaglyph.... Just incredible...