- [Voiceover] You can get a real head start on…grading two plates to color match by…matching their black and white points.…Not only does this set the contrast ratio,…but also adjusts color.…All of this can be done with four clicks in a grade node.…Here's how ya do it.…Here's our set up.…We have this match image here, and we have…this match target there, so I want…this image to match that image.…The bad image is low contrast and very…warm in color and the one I want to match…to is higher contrast and a lot cooler.…
The lighting has changed over the…time of the day between these shots.…This happens all the time, so we have to make…these two clips look good enough…that they could cut back to back.…So we'll start by selecting the…match image and add a grade node.…The first thing I want to do is to set its black point,…so I'm gonna cruise in here to this window,…this looks like a nice candidate for a black point,…and sample this region to set the black point.…That means these code values which are not zero,…you can see down below, look at this,…
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
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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: How to match grade two clips