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Green Screen: A History

Green Screen: A History Practically all movies use special effects involving CGI and green screen compositing nowadays. But how did this technology evolve into what it is today? Black Screen The Williams Process or 'travelling matte' captured subjects against a pure black background. The film is then copied onto high contrast negatives producing black and white silhouettes. Most famous usage: The Invisible Man (1933) 1918 Blue Screen Invented by C Dodge Dunning, this process used coloured lights making the background blue and subjects yellow. The colours were then split with dyes and filters to create travelling 1925 Yellow Screen mattes. This was updated to the three strip technicolor process in 1940 by Larry Butler. This won him an Academy Award. First used: King Kong (1933) Also known as the Sodium Vapour Process, this process was invented by Petro Vlahos. Subjects stood in front of a white screen lit by orange sodium vapour lights. They were photographed by a three strip technicolor camera with a prism inside to create the effect. Used by: Walt Disney in the 60s & 70s Late 1950s Blue Screen Returns Vlahos was asked to improve the blue screen process for 65 mm film. In 6 months he solved all of the previous fine detail processes and it remained popular for the next 40 years. Most famous usage: Ben Hur (1959) Later 19508 Green Screen Takes Over 1990s Green which was cheaper and lighter than blue took over in the late 90s as movies began to receive digital post production. Source: Filmmaker 1Q Sponsored by Meadows Farm Studios www.meadowsfarmstudios.co.uk

Green Screen: A History

shared by jt14972 on Apr 07
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Practically all movies use special effects involving CGI and green screen compositing nowadays. But how did this technology evolve into what it is today?

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