The key to keying is using multiple keys. Chroma or green screen keying in After Effects 2024 is actually a rather easy and straight forward process and if the footage is somewhat decent, meaning it's evenly lit but MOST importantly was shot with a high shutter speed, getting a clean mask to composite your keyed footage into a new background or CGI environment in Blender is just a matter of following a few simple steps.
Start by masking out the unnecessary elements with a garbage mask to remove C-stands and whatnot. Then split the keying into several keys, minimum two, but preferably three or more keys using the Keylight effect. Then trim the mask using a simple choker and clean it using the Key Cleaner effect. This will result in a actually somewhat good key. You can then improve the mask even more by using the amazing Refine Soft Matte or Refine Hard Matte effects which removes the dark edges around the actor. Then remove the green spill using the Advanced Spill Suppressor.
This method works with both well lit footage and more tricky and complex keys and hair. And using the new and improved multi-frame rendering in After Effects 2024, playback and rendering works a lot better. Hope this help! 😊
See how I combined the footage with CG elements in Blender 3.0:
[ Ссылка ]
Timestamps:
💡 00:00 Intro to video
💡 00:15 tiedtke.
💡 00:21 Overview
💡 00:55 Garbage Matte
💡 01:31 Remove Green Tint
💡 03:27 Keylight - Light Green / Highlights
💡 05:19 Keylight - Dark Green / Shadows
💡 06:39 Simple Choker / Key Cleaner
💡 08:38 Refine Hard Matte
💡 10:00 Advanced Spill Suppressor
💡 11:00 Adding CG Shadows
💡 12:30 Extra Tips
💡 13:17 Rendering
💡 13:50 Outro
Thanks for watching, if you like the video feel free to like and subscribe for more tutorials on #aftereffects #editing and #3d
Follow my journey to become a Layout, Modeler and Lighting 3D artist working in the industry.
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I've worked 8+ years as a Director of Photography in Sweden, working on projects ranging from feature films to commercials and music videos. Currently studying at Visual Magic in Skellefteå, Sweden. Years active in the 3D industry is about 1 year. Focusing on 3D modeling, layout and lighting which is my passion.
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