A green background screen, also known as a green screen or a chroma key, is a technique used in film, television, and video production to replace the background of a shot with a different image or video.
The process involves filming the subject against a solid green background, which is then
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replaced with a different image or video using post-production software.
The reason for using green as the background color is that it is a color that is not commonly found in human skin tones or clothing, making it easier to distinguish the subject from the background.
In post-production, software can isolate the green background and remove it, leaving only the subject to be combined with a new background.
Green screens are commonly used in filmmaking and television production for a variety of purposes, such as placing actors in a different location, creating special effects, or adding computer-generated imagery (CGI)
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