CHAPTER 5 |
|
|
|
Keying |
|
Professional compositors often find it necessary to remove bluescreen or greenscreen from a live-action plate. Fortunately, a host of tools have been developed for such a task. The tools are generally called chroma keyers, as they target specific colors. You can use chroma keyers in a wide variety of ways to generate alpha mattes and thus impart transparency to a bitmap or image sequence that carried no alpha channel to begin with.
This chapter includes the following critical information:
• Chroma key basics
• Simple Nuke keyers
• Advanced Nuke keyers
Chroma Keying
Chroma keying is a critical part of professional ...
Get Digital Compositing with Nuke now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
