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Keying red screen

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Aaron Barton
Keying red screen
on Jun 29, 2011 at 7:45:54 pm

Hey everybody,

So I've got some footage that I need to key. The actor was wearing a green jumpsuit so it was shot with a red screen instead of the usual green or blue. What would be the best way to key this?

Thanks,


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Michael Szalapski
Re: Keying red screen
on Jun 29, 2011 at 7:55:13 pm

Just like any other key.

- The Great Szalam
(The 'Great' stands for 'Not So Great, in fact, Extremely Humble')

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Walter Soyka
Re: Keying red screen
on Jun 29, 2011 at 8:02:26 pm

[Michael Szalapski] "Just like any other key."

Michael, as usual, is right on.

I'd add the caveat that keying red may be just a little more work than green. Video cameras are more sensitive to green than they are to red, so your red background may be a bit noisier than you might otherwise expect -- but all the same techniques will apply.

Check out Adobe's Keying introduction and resources [link] for some great information, and some good links about Keylight.

Walter Soyka
Principal & Designer at Keen Live
Motion Graphics, Widescreen Events, Presentation Design, and Consulting
RenderBreak Blog - What I'm thinking when my workstation's thinking
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Michael Szalapski
Re: Keying red screen
on Jun 29, 2011 at 9:46:13 pm

It's possible you could key the green suit and get a reverse key too. :)

- The Great Szalam
(The 'Great' stands for 'Not So Great, in fact, Extremely Humble')

No trees were harmed in the creation of this message, but several thousand electrons were mildly inconvenienced.


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