To understand the basics of why green and blue screens are the most popular choices for chroma keying, we must first understand how a digital keyer works. Image of Spiderwick Chronicles Blue Screen, Creative Commons/Wikimedia Why Are Blue and Green Screens Common for Compositing? Most pro video setups use a green or blue screen background – but why? And what color background is best? Once the solid color background is removed, you can ‘swap’ the background of your footage – a technique that’s used often in news and VFX work. So, while ‘chroma keying’ is the post-production work, shooting on a screen on set is the first part of the process. Chroma keying is the process of shooting video on a solid color background and then digitally removing this background during the editing/post production process. When it comes to digital compositing, how do you know which background color is right for your video project?įor newbies, let’s jump into the basics first.
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