CHAPTER 3
Refining Mattes
Regardless of the method used to pull a matte, there are a variety of operations that can be applied to refine the quality of any matte. In this chapter several operations are explored that, among other things, reduce grain noise, soften the edges, and expand or contract the matte size to get a better composite.
3.1 The Matte Monitor
Before we begin, this is a good time to introduce the matte monitor, which you can make with your own color curve tool. Many of the various matte extraction processes result in a raw matte that has to be scaled up to full density. When scaling raw mattes up to full density there can be stray pixels in both the white and black regions of the matte that are hard to see, but will suddenly ...
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