February 21, 2010

Making The Impossible Possible With The Green Screen!

by Phillip Guye

Green screen is now the most popular technique utilized in the making of motion pictures. How often have folks been impressed by the awesome action as the super heroes do their thing in such vibrant locations on the big screen? Many have wondered how the heroes can leap from tall buildings without getting harmed, or how a heroine is able to travel to different places in the blink of an eye. Well, this could all be attained by filming in a local studio with a green backdrop and then applying a background of virtually any place that the director imagines.

All this really is made achievable by using the green screen. An actor could get to worlds that he or she has in no way been to, bringing them to situations and areas that you can only imagine. This is possible with the help of the green screen technology that's equally hassle-free and cost reductive. This method is already common with television.

Among the best illustrations where this technique is employed on television is with the weather forecast section of the news. The television usually presents someone standing in front of an animated globe, talking about the various weather conditions around the world as clouds and raindrops are created on screen. In reality, there is simply a green screen right behind the forecaster and the animation is included with the background. This method is done in all of the television networks.

This technique is extremely simple. All that is required is a camera, a green screen and a video editing software. The person has to ensure that the green screen's color hue is constant all throughout without a small break in the tone. The surface should be really even while taping; or else it will be very difficult to revise that particular segment. Another crucial issue when using this method is that the subject should include a small amount of the same green color. However, one must note that just a very small portion of the subject can be green or in identical shades. When the subject contains a small portion of green, it's possible to hide or reduce the impact of the edges that may show up if the edges are uneven or not standard. The portion of the subject shaded in green must be nominal or else, it'll looks as if there's a hole or an empty space within the subject when it's edited.

Once the green screen is set-up, the next step is to shoot the subject. To achieve excellence by using this method, the subject must have a well identified outline since it'll be easier to trace and cut the subject away and superimpose it onto the new background. There must be absolutely no loose edges on the subject and the lighting must be perfect. The camera must focus on the subject and not necessarily on the backdrop. This is very important as the subject might not look clear when it comes time with regard to editing. This method gives the best results when filmed outdoors.

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