From the course: After Effects CS5 Essential Training

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Refining the matte

Refining the matte

Now this is a lot more along the lines of the typical green screen job that you will be faced with. And I've already gone ahead and keyed this out for you, but I just want to show you some of things that contribute to a bad green screen. So, in case you have some kind of say in the production workflow, you can tell the production crew what to look out for so that could get a better key. Oftentimes, when people are a working on a film set, they are pros with lights they are pros with cameras, but they are not really sure of what we need in postproduction to get the best results. And so being able to know some of these tips to be able to pass those down the line so that when you get this footage it looks better. Well it really pays to know some of things. So, I am going to apply Keylight to this and again I am going to click the Eyedropper and click the green. Now you'll notice they we're having some issues here. We have some light green here and some darker green here and typically for…

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