(2) Also called "chroma key," it is a technique for superimposing ... which is a single, solid color, typically blue or green. When both images are combined, the background pixel takes precedence ...

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 ...

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 ...