Questions tagged [chroma-key]

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

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play video containing transparency such that contents of window below can peek through?

I really like the 'flamethrower' effect the presenter adds while making an important point in this video at 7:50 I asked him how he did it; he overlaid it in post-production. I want to be able to do ...
thanks_in_advance's user avatar
2 votes
3 answers
7k 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 ...
Jimmery's user avatar
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1 vote
1 answer
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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?
Jim G.'s user avatar
  • 226
10 votes
5 answers
13k views

Free Chroma key tools [closed]

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 ...
Adam Matan's user avatar
  • 8,390