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mask within a mask

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Kelly Schaefermask within a mask
by on Aug 11, 2014 at 2:24:35 pm

Hi all;

I have some green screen footage and the key dropped out a blue green shirt. I know, shoulda woulda coulda shot it on blue screen. Anyway, so now I am rotoscoping out the shirt. I also need to key out the background,the part that falls off the green screen,using a mask around the subject, so I have a rotoscope within a mask. I need to use that mask to drop out the background, but it won't work. The rotoscope either drops out the rest of the frame or,if I invert, just the shirt. How do I get my rotoscope to keep the shirt from keying out, and make my scene mask key out the background? Good news is I have time - no tight deadline, imagine that!


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James HuenergardtRe: mask within a mask
by on Aug 11, 2014 at 3:57:02 pm

What you need to do is use a couple of layers.

On one layer, you have your background KEYED out using Keylight or whatever.
On a layer just above that, you do your ROTO work on the shirt.

That should work well for you.

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Kelly SchaeferRe: mask within a mask
by on Aug 11, 2014 at 8:14:12 pm

Thanks James, it worked!


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