Chroma key - Wikipedia

Green screens came out in 1940, but the first computer came out in 1984. What kind of technology/software did they use to overlay green screens with different backgrounds and shots? - Quora

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Green screens came out in 1940, but the first computer came out in 1984. What kind of technology/software did they use to overlay green screens with different backgrounds and shots? - Quora

What software is used for green screens (ChromaKey)? - Quora

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Chroma key - Wikipedia, den frie encyklopædi

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