Also called *green-screen*, chroma-key is a video-production technique that assists in replacing parts of a video with something else.

learn more… | top users | synonyms

1
vote
2answers
1k views

User Generated Chroma Key Composite Videos with FFMPEG / AVCONV

I want to create a system where a user can upload two videos to a website, one of which has blue screen in the background, and the website uses AVCONV (or similar) to create a composite video of the ...
1
vote
1answer
750 views

Windows 7: How do I make a green screen for my webcam?

I just got a Google+ invite. When I join a Google+ Hangout, I'd like to do it with a green screen so that I can loop a video in the background. How should I do this? Do I need a special webcam?
7
votes
5answers
4k views

Free Chroma key tools

I want to create an educational introductory video, where the tutor stands and explain a subject, and the background is an illustration of that subject. This is done using a technique called Chroma ...