Green screens are used to add backgrounds to your favorite movies and TV shows, but why are they green? Here's an explanation ...

CHICAGO (CBS) -- Many donned green apparel Friday in celebration of an early St. Patrick's Day – but in the TV news industry, wearing green has some longstanding pitfalls. Chroma key, or green ...

Green screens, or chroma key, to give the effect its real name, relies on the background using a colour not present in the main subject of the shot. This can then be detected electronically or in ...

(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 ...

The technique is also known as chroma key compositing, and it’s generally used to merge two images or videos together based on color hues. Usually you see an actor filmed in front of a green ...

The easiest way to avoid shadows from subject to background is to move the subject away from the background, therefore ...