Blue was originally used for the film industry as making the separations required a film that would only respond to the screen colour, and film that responded only to blue and higher frequencies (ultraviolet, etc.) was far eas… See more

The biggest challenge when setting up a blue screen or green screen is even lighting and the avoidance of shadow because it is best to have as narrow a colour range as possible being replaced. A shadow would present itse… See more

There are several different quality- and speed-optimised techniques for implementing colour keying in software.
In most versions, a function f(r, g, b) → α is applied to every pixel in the image. α (alpha) ha… See more

• Compositing
• DaVinci Resolve
• Drew Carey's Green Screen Show
• Federal Standard 1037C… See more