Introduction
Welcome
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Exercise files
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1. Keying Workflows
A look at different keying workflows
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Creating an uber key
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The nature of grain and noise
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Green-screen vs. blue-screen keying
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Which keyer is best?
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2. Pre-Processing the Green Screen
Step 1: Analyze the clip
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How to manage grain and noise
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Pre-processing the clip for the keyer
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Screen-correction workflow
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Tips on adjusting the IBKColor node
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How the IBKColor assist works
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Building a clean plate from a clip
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Building a clean plate without an IBK node
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Working with a real clean plate
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Retaining shadows with screen corrections
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Stack IBKColor nodes for cleaner clean plates
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Good (and bad) tracking markers
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Tracking marker removal techniques
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Removing tracking markers with screen correction
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3. Other Types of Keys
Unleashing the power of your luma keys
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How to make even more powerful luma keys
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Keying on hue
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Keying on saturation
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Discovering NUKE's hidden chroma keyer
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Keying with just one channel
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How to create a color difference key
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How to create a texture key
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4. Building the Uber Key
How to cut and paste keys together
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Which math operation to use and when
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Assisting the keyer with additional keys
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Using garbage mattes to save time
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Creating core mattes for solid keys
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5. Spill Suppression
What is spill?
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How spill suppression works
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Spill suppression with the Hue Correct node
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Spill suppression with gizmos
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How to prevent despill artifacts
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How to fix despill artifacts
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Adjusting the spill luminance and color
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Steve Wright's adaptive despill
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6. Compositing Techniques
The classic Premultiply > Merge over
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Improving edges with an AddMix comp
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How to do a soft comp/hard comp
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The processed foreground technique
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Adding edge detail with an additive keyer
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7. Color Correcting
Effects of color correction on pixels and pictures
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The Grade node vs. the ColorCorrect node
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Premultiply and unpremultiply
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How to match grade two clips
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Color match keyed layers workflow
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8. Workflow Examples
Compositing keyer outputs
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The basic uber key composite
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Soft key/hard key with luminance adjusted despill
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Uber key with split soft key and split despill
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Uber key with the additive keyer
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Screen correction with adaptive despill
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Screen correction with a processed background
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9. Sweetening the Comp
How to apply light wrap to your comp
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When to use edge blending
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Adding interactive lighting
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Animating the interactive lighting
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Easy ways to synthesize shadows
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How to QA your comp
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10. Fixing Edge Problems
Sculpting your key edges
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Recoloring the RGB edges
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Replacing discolored edges: Theory
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Replacing discolored edges: Practice
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11. Special Keying Solutions
How to add more hair detail
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The special case of keying blond hair
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Keying for more semitransparency
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Techniques for better motion blur
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How to retain all of the depth of field
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Special keying techniques for smoke
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Extra special keying techniques for fire
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How to key a cloud out of the sky
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Keying reflections off of glass techniques
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How to cope with bad video
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12. Appendix: Keyer Tutorials
About the Keyer Tutorials appendix
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KEYLIGHT: Setting up a basic composite
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KEYLIGHT: Masking, fine-tuning, and spill suppression
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KEYLIGHT: Viewing status and multipass keying
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Primatte: Basic keying and spill suppression
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Primatte: Matte refinement and edge detail
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Primatte: Auto-Compute and advanced spill suppression
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Primatte: New features in Primatte V
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IBK keyer: Keying and compositing
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Ultimatte: Basic setup
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Ultimatte: Overall workflow
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Ultimatte: Matte tools and shadows
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Ultimatte: Spill suppression
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Ex_Files_VFX_Key_Master.zip
(428.3 MB)