The use of Computer technology has given a new dimension to almost every field of computer application. The same goes with video effects and creation of imaginary backgrounds. Video Green Screen is one such effect like Chroma key. Here we can create a pure green background and replace it with whatever type of background that is suitable and give way to a new dimension of imagination.
Video Green Screen is a technique where a green background is created and the subject that has to be shot is placed in front of it. Later while editing the green background color is removed and made transparent, this transparent background is then replaced with any other background suitable for the scene and Presto!! The whole scene is transformed into something amazingly different.
A very common example of Video Green Screen is the weather forecast telecasts that we usually see on the television screens daily and always wonder how such an effect could be created. It's the same technique that has been used here too. The anchor is shot separately with a green background, and then the green background is removed using special video editing software and replaced with an animated video of world map showing different weather conditions worldwide.
Digital photo green screen is a technique to merge reality and illusion. It allows us to make possible the impossible. We can unleash our creative instincts to transform a digitally photographed image into something unbelievable by just altering the background and superimposing it with another backdrop. The effects of this technique can make the world believe the unbelievable.