A CDE Definition
(1) See color key.
(2) A computer terminal that displays green characters on a dark background. Widely used in the early days of mainframes and minicomputers, as well as in the days of DOS, the character-based green screen gave way to the graphics-based interfaces of Windows and Mac.
From Green Screen to the Web
(1) (Color Key) See prepress proof.
(2) Also called "chroma key," it is a technique for superimposing one video image onto another. Widely used to place an interesting scene behind people such as a news reporter on TV, it is also used for creating special effects such as floating a car on the ocean.
The Blue or Green Screen
The foreground image is shot in front of a backdrop, which is a single, solid color, typically blue or green. When both images are combined, the background pixel takes precedence wherever a pixel of the solid color is found in the foreground image. If the foreground image is a person and the backdrop is blue, no articles of blue clothing can be worn or the background image will bleed through in those locations.
Green Screen Color Key
Before/After Your Search Term
Terms By Topic
Click any of the following categories for a list of fundamental terms.