Tuesday, November 16, 2010

Green Screen Technique

By Phil Guye

Green screen technique, means the blending of video or photographic pictures taken in two unique places, with one acting as a background and presenting a sense of the talent undertaking in that area. This procedure entails removal of one color to bring in another picture which can serve as a background for the subject. The phrase Green screen technique is used since the green color is popularly used as backdrop because the digital video cameras include picture sensors that happen to be responsive to this color than other colors. This supplies the cleanest mask, in addition to the other facility of reduced light needed to glow green which is also simply because of the picture sensors' higher sensitivity to this color. Green screen technique is found in many science fiction and horror movies which call for a lot of "effects" to produce the false impression of transporting us to the times that the story is coping with.

Some critical factors that ought to be taken into account while using this Green screen Technique include correct illumination, cameras of high quality which could make magic via the green screen. Note that if you're using lighting effects in a non-professional approach, your product will end up with various tones and shadows on the screen.

Green screen technique is a boon to the cameramen, while he needs to worry no more about a background, since the screen itself is a transient backdrop, which can be used to have fun with colors and fashions. Actually it provides an excellent overall flexibility to photography enthusiasts, to bring their creative imagination in creating wonderful backdrops and move you to a mythical place and time in a most effective means.

Green screen technique is popular with expert filmmakers and photographers. Apart from being great for movie makers, especially who're dealing with science fiction and horror films, which require lot of effects, this technique is also used for still pictures in print media, and on internet. For portrait photography, this method is best. It can also serve as an aid for classroom spreading of technical information, and photography hobbyists may use this method to try out their creativity. You could substitute the green screen with a solid colored, flat sheet, but because green is an essential color in the background, the sheet should also invariably be green. After filming, in the post production stage you could eliminate the green background, by means of special software program and make a new picture which is married to the subject you've filmed, which provides an excellent feel of being in several milieu or times altogether.

Green Screen technique is becoming thoroughly utilized in commercial photography and film making today, and with a number of software programs you can bring your creativity into full play with this aid.

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