4Refining Mattes
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Regardless of the method used to pull a matte, there are a variety of operations that can be applied to refine its quality. In this chapter several techniques are described that remove noise, soften edges, expand or contract the matte size, and sculpt the edges to get a better composite.
4.1 Gamma Slamming
Before we begin refining mattes there is a very important technique that I would like to share with all of you keyers out there. As we saw in the last two chapters every matte you pull, including with the keyers, invariably has to be scaled up in the whites and down in the blacks to achieve ...
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