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Re: Green Screen Dancing Edge Pixels (After Effects CS6)

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Steve Bentley
Re: Green Screen Dancing Edge Pixels (After Effects CS6)
on Mar 20, 2018 at 9:10:55 pm

That screen is probably a little too emerald to be used as a true green screen (real ones are a little more neon/glow-in-the-dark kind of green)
But there's always a way. What you might be seeing is the compression on the footage. We had some HD footage in the early days of HD on blue screen whos edge was very very ratty. That was pure codec problems.
What codec was used to capture and have to got that original footage or are you working with a compressed version of the original?

We had a client send us some bluescreen footage - the screen was a made of demin - sort blue I guess - but guess what the talent was wearing? That's the only screen we've never been able to pull a decent matte from in 38 years of work.

Next time try getting some green kino flos or similar to light the screen with. The lights you use to light the talent will wash out the screen soon enough so if you can light the screen with the same color as it already is the keys are stellar.
And don't be afraid of green spill - its actually important because it lets you put some of the new background's color in as though it's whats being spilled on the actor.

Can you post a little of the running footage and we can give it a whirl? Doing a comp on a still won't reveal the dancing edge problem.



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