What is Chroma Key?

Chroma Key is a technique of modifications in which two images are composed together to create a single finished picture. This adjustment technique is sometimes referred to as a blue or green screen that refers to the background used to shoot the object of the image that will be exposed to the Chroma Key process. This editing technique is widely used in film and television to create a number of special effects and the basic concept is known to many film fans. While the film crew could potentially travel to the place, let the actors go along the road and the movie from the inside and around the car, it is time consuming and sometimes very difficult. Instead, the actors and the car are placed on the sound phase surrounded by a classic green background and then the scenesa is filmed.

In the editor of the room, the computer directs the computer to select the green background and "cover it" of the image, allowing the editor to overlap the segment over the landscape shotsmelting past. In the finished picture, it looks like the actors actually ride the road when they speak. The same technique can be used to create weather maps for the background on weather reports, place actors in exotic locations without actually visiting them, and perform many other tricks of special effects.

Blue and green screens are classically used for Chrome Key because they are as far from the tones of human skin as you can get. The actors are also careful about carrying clothes that are similar to the background tone to prevent the part of yourself to adjust it in the editing room. Without evenly lit background, the image created by the Chroma Key process may have a picture.

Sometimes Chroma Key technique is used to create special effects such as invisibility, with the actor wearing clothing and make -up, which closer the tone of the background of Chroma Key to disappear in the finished image. Chroma Key can be used to see that actors are in dangerous, crowded or fantastic situations with eagletsAzně reduced costs on the manufacturer and with less stress for cast and crew.