2012
Digital Tutors
Chris Glick
1h55m
English
In this series of tutorials we’ll learn how to use tracker and roto nodes in NUKE to quickly create a solid matte. By using each node for their specific strength, we’ll be able to achieve production-quality results much faster than using just hand keying. We’ll begin this project by learning the basics of using trackers to speed up the rotoscoping process by removing camera jitter, translation, rotation and scaling. We’ll then dive into our main project where we will use a combination of trackers, roto nodes and animation to create a clean mask for our foreground actor's face and hand. We’ll learn many techniques to speed up our rotoscoping workflow and how we can use animation principles to create solid movement.
1. Introduction and project overview
2. Basics of using tracking and rotoscoping together
3. Using multiple trackers to capture rotation and scaling
4. Beginning our human rotoscoping project
5. Testing our roto result over various backgrounds
6. Creating another shape for the rest of our hand
7. Using point consistency to solve edge swim
8. Beginning our roto and tracking of the head
9. Refining our shape and animating our roto to the shot timing
10. Adding keyframes on the next beat of the head movement
11. Refining our keyframes by examining the negative of our mask
12. Finishing our head keyframes
13. Tracking and rotoing the right ear
14. Tracking and rotoing the left ear and making final tweaks
http://www.digitaltutors.com/11/training.php?pid=687

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