The movies that we watch today do have many special effects and this could be accredited to the new technology on the block which is recognized as Chroma key. In technical terms, green and blue colors are a part of the Chroma keying effects.
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Blue and green screen movie magic chroma key technique
1. Blue and Green Screen Movie Magic- Chroma Key Technique
The movies that we watch today do have many special effects and this could be accredited to the
new technology on the block which is recognized as Chroma key. In technical terms, green and
blue colors are a part of the Chroma keying effects. In simpler terms, it is a separation overlay
technique. Whatever term you can remember, the meaning remains the same. The core concept
that relates it is that the background, which most likely is green in color or even blue, can easily
be replaced with a picture or image that one needs using. The birth of this technique happened
when it was strongly felt that there should be absolute control over the way shooting of
photographs takes place and make the entire process convenient. This technology almost
eliminates the necessity of shooting in actual location since it can be easily created. With
Chroma Key Studio, this is very much possible! There are many occasions when shooting at the
real location becomes difficult and it is in this case that you can take assistance of green screen
technique. Supposedly you want to place a background like ocean or sea water, or as if you were
flying, etc. All of these could be done even if you have physically not been present at such a
location.
How it works?
It initiates its work with a foreground, which means that subject is shot and in the backdrop is
placed a green or blue sheet to make the process to be carried out later, easy. Are you pondering
over the thought why only these two specific colors are utilized? The main reason behind it is
that these really do not match the human skin color. This helps when the replacement procedure
is to be conducted and the subject remains in place without facing any damage. This is when just
the background needs to be altered. So probably anything in green or blue can be replaced with
the images of your choice. Mostly, analog broadcast make use of the hue blue, since this is
preferred for videos and clips that need to be on the darker side. Both the hues have the ability to
work in VFX setting and it is one’s personal choice to pick a color for usage. Green however
remains to be an ideal choice, since it is a color that is sensitive to the sensors of a camera. For
video industry, it is green which works favorably.