Join Lee Lanier for an in-depth discussion in this video Keying with Keylight, part of VFX Techniques: Crowd Replication with After Effects.
We have imported a number of image sequences in our work to help Set Dress this otherwise empty warehouse.…We applied various effects and also motion tracking to make sure the integration was working for us.…We're now ready to move on to our original goal which was to fill this warehouse with a big crowd.…So we are going to start with out first piece of green screen footage to help populate this scene.…I'm going up to File > Import file and grab the first green screen piece of footage.…This is under the Footage Folder, under Crowd 1A. I'll pick the first frame and bring that in.…
Take a look at this, I'll put it on top of the layer, and what we have here is a small…group of actors staying in front of a green screen, but there is no dolly on this, it's just static.…So our first task will be to remove the green screen itself and the second task will be…to eventually motion track it, so it looks like these people are in the correct place.…Now, the green is in limited area.…So our first job will be to mask this to whittle it down.…
- Setting up your project
- Removing camera jitter
- Motion tracking CG renders
- Creating light effects
- Keying with Keylight
- Solving bad matte edges
- Rotoscoping green screen footage
- Color grading to match elements
- Relighting the scene
Skill Level Intermediate
1. Getting Started
Reviewing image sequences4m 13s
2. Tracking and Integrating Renders
3. Working with Greenscreen
4. Color Grading and Rendering
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