Chroma Key Filter
OBS (Open Broadcaster Software) is free and open source software for video recording and live streaming. Stream to Twitch, and many other providers or record your own videos with high quality H264 / AAC encoding.
Using a Green Screen – Open Source for Digital Communication & Learning Objects
Chroma keying basic
Green Screen filter - Teleprompter for Video
Comparing the Top 5 Chroma Key Software For Live Streaming in 2021
American Express
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Chroma Key Filter (Green Screen / Blue Screen) : Video Mill : User's Guide
How To Use The Chroma Key Filter On Snapchat
javascript - How to accurately filter RGB value for chroma-key effect - Stack Overflow