UNDERSTANDING GREEN SCREEN AND CHROMA KEY
Green Screen: Technically, this term refers to the colored background you want to make transparent and remove from your shot. This is usually a single colored backdrop, which can be any color, but is usually bright green because it is the color furthest away from human skin tones. (Blue screens were frequently used in the early days with film, and might still be used in certain cases.) Sometimes the term is used as a fit-all for the entire process of keying Chroma Key: This popular term goes hand-in-hand with green screen . It’s the actual technique of layering, or compositing two images based on color hues. Every color has a chroma range, hence where the terminology comes from. Keying: This term is used to describe the process of removing the green screen background in post-production using video editing software. When the green screen background has been keyed, it will be fully transparent. Then you can fill in that transparent area with a differen...