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Hello Mi Fans!
A green screen is more commonly referred to in the TV business as a Chroma key. It is a vertical wall or section that is converted green, sometimes by paint, sometimes with a sheet. The green screen is useful in the visual effects of the VFX technique where two images or video streams are layered.
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The green screen lets you drop in whatever background images you want behind the actors and foreground. It used in film production and also in news and weather reports to relatively simply place the desired background behind the subject, actor, presenter. When a background isn’t available like a fictional, alien, historic, futuristic or even just hard-to-access location green screen comes to the rescue!
After the footage shotthe compositors take over:
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With Chroma key technology to work, there must be a big contrast between what you want to show and the colour you’re using to make it show. Bright green is not a colour that is commonly worn by many on-air talent so that is why the industry commonly chooses a green. Technically, any colour could be used. In some TV stations around the country, a blue wall is used. That is very limiting on a wardrobe.
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To select a good colour, pick one that's not going to be found on anything else in the scene. Consumer video software with Chroma key capability however, Adobe Premiere for example, will allow you an option to select any colour to be removed. A vibrant, almost neon green is the standard choice because it’s strong and usually a distinctly different colour from anything on the subject the actor’s clothes, eyes, hair and accessories.
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All The Techie Team Mods & Super Mod for Guidance me.
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