Advanced Chroma Keying In Fusion: A Complete Walkthrough

January 10, 2025

Learn to key and composite a complex green screen shot from start to finish with these advanced techniques in DaVinci Resolve Fusion.


Series

Chroma Keying Part 8 Finale: Combining techniques to tackle an advanced shot – a full walkthrough

In this Insight, we apply everything we have learned in this chroma-keying Insight series for one grand finale: an advanced-level keying shot that illustrates a complete professional workflow.

These techniques include:

  • Applying denoise
  • Creating and using a clean plate
  • Creating a hard garbage matte from a soft key
  • Adaptive despill
  • Tracking
  • Many more!

An advanced approach is not set in stone

People often ask me to share my complete keying workflow as I use it in professional projects.

Here’s the dilemma: it can be different for every shot.

Some shots require endless fiddling around a few problematic edges; others have a terrible green spill or a new background that is so different from the set lighting that we need to do some relighting.

Occasionally, you’ll get lucky, and a shot will work with just a basic key, despill, and color correction.

However, in this series of Insights, we have explored a range of common techniques that can help in many situations.

So, in this final Insight, I am working through an intermediate-to-advanced-level shot from the Blender Tears of Steel open movie, applying everything that could help the shot.

The benefit of digesting everything I demonstrate in this Insight is that you’ll see how all these techniques work together, plus a handful of extra tips and tricks to improve the results of each technique as we go along.

You can download the same footage and give it a try for yourself.

Key takeaways from this Insight

By the end of this Insight, you should understand how to:

  • Gauge how much work goes into keying a complex shot
  • Choose the relevant techniques from this series for any given shot
  • Set up an advanced-level workflow

Download the footage and follow along

In Part 1 of this series, I shared the download link for the footage I’m using so you can follow along and practice. After logging in, any active Mixing Light member has access to the download.

If you need more details on any of the techniques I used in this Insight, dive into the previous Insights in the series, which tackle specific problems and solutions:

Questions or comments? Leave a comment!

Did you try to work on this shot? How was your experience and outcome? Did you take a different path compared to my solution in some places? For now, this was the final tutorial in this series. Let us know if there is anything missing you want us to cover in the future.

– Bernd


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Chapters

  • 00:00 – Introduction to chroma keying in resolve
  • 01:32 – Color management and ACES workflow
  • 05:42 – Setting up the shot and keying techniques
  • 06:40 – Noise reduction, tracking and hair masking
  • 13:18 – Transform tracking for fake parallax
  • 15:08 – Building the clean plate
  • 18:22 – Garbage and solid mattes
  • 25:19 – MaskPaint to remove tracking markers
  • 29:13 – Post-processing for finer noise detail
  • 32:28 – Annotating the node graph
  • 34:00 – Despill the green and refill with channel boolean
  • 39:40 – Color correct background plate
  • 41:20 – Lens blur on the background
  • 43:24 – Adaptive spill map
  • 46:13 – Light wrapping background highlights
  • 50:34 – Adding film grain
  • 52:14 – Recapping the node graph and compositing pipeline

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