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vendredi 25 décembre 2009

Green Screen Hollywood - What It's All About

By Phillip Guye

Hollywood manages to transport moviegoers to different places be it real or normal. With today's sophisticated film making technologies, anyone can have a look at ancient Rome's grand coliseums, walk on the surface of Jupiter, and visit dimensions that was once limited to only our imaginations. Also, creatures such as monsters, angels, and beasts are brought to life with the aid of green screen Hollywood technology. But what precisely is green screen or "Chroma Key" technology? How does it work?

Green screen technology is the mixing of 2 pictures together. A solid background color is utilised so that another image can be transposed in front of the main picture. More frequently than not, green is the color used for this reason although blue is also generally used. Green is more favored among filmmakers because image sensors in cameras are sensitive to it. Green camera channels have less noise and can make the most clean masks. Also, the color green is commonly used as it doesn't have to be illuminated much, in comparison to other colors. This makes the green screen the ideal background of different productions from weather reports to giant budget Hollywood films.

However, there are a couple of things to keep in mind when using green screen Hollywood technology. Good production equipment like lights and quality cameras should be used when using Chroma Key technology screens. Bad lighting can cause unpleasant shadows and wrong shades on the screen. it is crucial to have all the right gear when filming something that needs the Chroma Key strategy.

Green screen Hollywood technology is also used to resolve plenty of filmmakers and photographers' issues. One important use of the chroma key screen is that it permits the user to get rid of the necessity to find an honest to goodness background. Green screens permit filmmakers and photographers to be flexible. With green chroma key screen technology, any image can be added and used as the final background. This is how many Hollywood personalities finish up in far flung regions of the universe or in ancient cities that do not exist anymore in this era.

Green screen Hollywood technology is principally utilised by executives. Aside from being a common tool used in movies, it is also used for magazine shoots, television advertisements, and studio photography. This is how shocking pictures and visible glasses are made available to anyone who would want something special for movies and photographs. When used the proper way, green screens can help produce great photographs only the imagination can cook up. This is exactly why the green screen is one of the most trustworthy and useful film making and photography tool there is.

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