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Sometimes a shadow can be used to create a visual effect. Areas of the blue screen or green screen with a shadow on them can be replaced with a darker version of the desired background video image, making it look like the person is casting a shadow on them. Any spill of the chroma key colour will make the result look unnatural.
Live-action shooting for compositing is variously called "chroma key", "blue screen", "green screen" and other names. Today, most compositing is achieved through digital image manipulation. Pre- digital compositing techniques, however, go back as far as the trick films of Georges Méliès in the late 19th century, and some are still in use.
The current version is the fourth generation of the Primatte technology and has features such as ‘Auto-Compute’ that automatically detects the backing screen color, eliminates it and does clean-up on the foreground and backing screen area noise. It is available on the Microsoft Windows, Red Hat Linux, SGI IRIX and the Apple Macintosh platforms.
Green screen compositing, or more generally chroma key compositing, is a technique for combining two still images or video frames. Green screen may also refer to: Green-screen display, a monochrome CRT computer display; GreenScreen Interactive Software, a publisher of video games
Chroma keying, commonly done with a green screen, allows a subject to appear composited against the background. As digital video editing advanced, visual effects became possible, and is part of the standard toolkit, usually found in prosumer and professional grade software.
Chroma, a canceled 2014 video game by Harmonix; Chroma and Chroma Prime, ... Chroma key, a post-production technique for compositing two images or video streams;
First use of a green screen for digital chroma key compositing in a feature film. Babylon 5: 1993 First television series to use CGI as the primary method for its visual effects. First TV use of virtual sets. The Incredible Crash Dummies: First fully CGI-animated TV special. Jurassic Park: First photorealistic CGI creatures. [35]
Chroma key or blue-screen compositing, a technique for combining two still images or video frames; Blue screen of death, ...
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