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Digital Compositing with Nuke by Lee Lanier

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CHAPTER 6

 

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Manipulating Channels and Matching Artifacts

Any given node within Nuke affects specific channels. You do not have to limit yourself to the channels carried by an imported bitmap or image sequence. You can add, delete, copy, merge, and shuffle channels. You can work with common channels, such as RGB and alpha, or work with more esoteric ones like Depth and Motion. When manipulating specific channels, you can apply various Nuke filter nodes. While filter nodes designed for color manipulation are discussed in Chapter 3, ones specific to artifact matching or artifact removal are discussed in this chapter. (Various artifacts, ...

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