Ever since I posted mine Soda mural tutorialI received a lot of questions about the process of using the color channels of footage as an alpha channel. This can definitely be a confusing technique, especially if you are new to compositing. I thought it would be a good idea to make a short tutorial that specifically covers this process.
- Channel matt in baking soda
- Luma matt in the mixer
A duct mat in blender
I did the same tutorial in both Baking soda and mixerWhatever you're more comfortable with compositing, you're covered. Both videos are below.
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