Join Steve Wright for an in-depth discussion in this video KEYLIGHT: Masking, fine-tuning, and spill suppression, part of VFX Keying: Master Course.
- [Male Narrator] You can add holdout and…garbage mattes to Keylight,…as well as crop the green screen.…You can play along too by getting these two images…out of the Keylight media folder.…The crop feature in Keylight is mainly used…when you have a situation like this,…where the green screen doesn't fill the entire frame.…So let's take a look at how it's used.…With this selected, we'll go to the keyer tab…add the Keylight node, and it hooks into the source input,…and hook up the background input.…
Now, unfold the crops menu, and here we set…the left, right, top, and bottom margins of the crop,…the color of the crop, and how we're gonna do the crop.…I'll start by setting the edge color to a bright red.…That'll make it easier to follow.…I move the left slider here…to define the left edge of the crop,…and the right slider to move the right edge of the crop.…And of course we have a bottom and a top slider.…The idea is to set the edge color to match…the color of the green screen.…And we can do that by turning on the eyedropper,…
Author
Released
10/3/2016Note: This course was created by Steve Wright, author of the seminal book, Digital Compositing for Film and Video. We are proud to host this course in our library.
- Creating an uber key
- Keying green-screen vs. blue-screen footage
- Preprocessing footage
- Building a clean plate
- Making luma keys
- Keying on hue and saturation
- Pasting keys together
- Grain management
- Saving time with garbage mattes
- Using spill suppression
- Improving edges
- Color correcting keys
- Sweetening the comp
- Alternative compositing workflows
- Fixing edge problems
- Using KEYLIGHT, Primatte, Ultimatte, and other tools
Skill Level Intermediate
Duration
Views
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Introduction
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Welcome3m 57s
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Exercise files1m 19s
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1. Keying Workflows
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Creating an uber key2m 58s
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Which keyer is best?7m 15s
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2. Pre-Processing the Green Screen
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Step 1: Analyze the clip13m 34s
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Screen-correction workflow11m 45s
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3. Other Types of Keys
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Keying on hue9m 34s
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Keying on saturation6m 6s
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Keying with just one channel14m 7s
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How to create a texture key7m 34s
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4. Building the Uber Key
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5. Spill Suppression
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What is spill?4m 15s
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How spill suppression works5m 33s
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Spill suppression with gizmos10m 30s
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How to fix despill artifacts4m 26s
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6. Compositing Techniques
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7. Color Correcting
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How to match grade two clips4m 15s
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8. Workflow Examples
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Compositing keyer outputs3m 54s
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The basic uber key composite7m 43s
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9. Sweetening the Comp
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When to use edge blending5m 18s
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Adding interactive lighting3m 59s
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How to QA your comp6m 34s
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10. Fixing Edge Problems
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Sculpting your key edges9m 6s
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Recoloring the RGB edges7m 6s
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11. Special Keying Solutions
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How to add more hair detail11m 15s
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How to cope with bad video12m 3s
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12. Appendix: Keyer Tutorials
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Ultimatte: Basic setup3m 24s
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Ultimatte: Overall workflow5m 19s
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Ultimatte: Spill suppression4m 11s
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Video: KEYLIGHT: Masking, fine-tuning, and spill suppression