From the course: Nuke New Features Consolidated

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Keylight: Refining the key

Keylight: Refining the key - Nuke Tutorial

From the course: Nuke New Features Consolidated

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Keylight: Refining the key

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- [Instructor] And now, we'll take a look at a couple of more screen controls right here for adjusting our matte. Let's set the viewer back to Screen Matte, because again, this is the key that's being created by Keylight. Screen Gain is a contrast adjustment, as I turn that up, I'm clearing out a lot of the noise, but I'm also destroying edge detail, look-y here, okay? I'll reset that back to default. Screen Balance is adjusting the internal Keylight algorithm for the two secondary channels in the key. If it's a green screen, the two secondary channels would be red and blue. A blue screen, the two secondaries would be red and green. So it's adjusting the balance between the other two in pulling the original key. This particular example doesn't have any problem, but I'm going to go back to the final result and I'm going to slide in a little thing here that's going to introduce this color swatch in front of the boy. And this will give the keyer a problem. Now, let's go back and look at…

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