KEYING & DESPILL12 Videos

Advanced Keying Breakdown: Introduction

Click timecodes to jump to sections of the video: 2:50 ALPHA 4:49 DESPILL 7:27 MERGE OPERATION View blog post here: Advanced Keying Breakdown Series: Introduction Introduction into my extensive keying tutorial set, I am going to cover many of the topics I mention here, and go pretty in depth. Stay tuned. -Tony Lyons

Advanced Keying Breakdown: MERGING 3.1 – Premulting, Overs, Addmix, & CCs

Explaining Premultiplicaiton and unpremultiplication. Breakdowns of Over and Addmix, and tricks to gamma the alpha before overing. Also at the end talking about the importance of unpremulting before color corrections (wrong and right ways to CC). This tutorial uses basic colors with a transition to teach these merging techniques and the math behind them. The […]

Advanced Keying Breakdown: 4.1 – Template

Introducing the Advanced Keying Template. This is using the building blocks of my previous tutorials in this series and showing you how to put all those pieces together correctly in order to get the best results. 0:00 – Introduction 4:30 – CC and transform after key 6:49 – CC and transform before key 12:03 – […]

Advanced Keying Breakdown: ALPHA 1.1: pre-processing GS

Click time code to skip to sections: 0:00 Intro 1:12 Denoising 5:56 Colorspaces 13:11 White Balancing 21:28 Saturation 25:33 Evening out the GS 35:21 Outro Recap View Blog post at: Advanced Keying Breakdown – ALPHA 1.1: pre-processing the GS Going into detail about things you can do to “prep” your footage for a GreenScreen. These are […]

Advanced Keying Breakdown: ALPHA 1.2 Types of Keys

I go over some different types of keys commonly needed for pulling a good key. 0:00 Intro 0:23 Garbage Matte (roto) 5:56 Hold Out Matte (roto) 9:17 Core Key 14:47 Edge Key 17:55 Gray Matting/Soft Keying

Advanced Keying Breakdown: ALPHA 1.3 Channel Math

0:00 Intro, RGB channels 6:00 Luminance 8:37 Adding all channels 11:39 Adobe After Effects Matte technique 16:21 Channel math summary 20:02 Combining Mattes with Keymix 23:20 Isolated mask Post-Grading

Advanced Keying Breakdown: ALPHA 1.3b Bonus: Eroding And Feathering Mattes

Talking about some eroding and feathering techniques for hold out mattes and core keys

Advanced Keying Breakdown: ALPHA 1.4 IBK Stacked Technique

Teaching what I know about the IBK keyer and how I use it by stacking IBK colours and focusing on the “cleanplate” 0:00 Intro 0:45 Comparison 1 greenscreen example 3:54 Comparison 2 bluescreen example 4:31 Comparison 3 hair example 5:53 Comparison 4 shadows and markers example 7:09 Step by Step process, example 1 greenscreen 17:12 […]

Advanced Keying Breakdown: DESPILL 2.1 Initial Concepts

Going over some initial concepts of what despilling is, and how to use it effectively. 0:00 intro 0:40 What is Despill? 3:40 Separating Despill and Alpha 7:33 Core Despill and Edge Despill

Advanced Keying Breakdown: DESPILL 2.2 – Despill Techniques

Going over Despill Techniques and concepts. 0:00 Keylight for despilling 6:00 Adding luminance back 11:45 Using BG luminance 15:51 Despill matte desaturate fix (finding max of each channel) 18:42 Hue correct for despilling 23:03 Comp example with different despills 28:46 Combining despills 31:10 Bonus: Alpha gamma before over 34:01 Comparison, final thoughts