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Masking areas of the picture with chroma key and luma key

Masking areas of the picture with chroma key and luma key: Digital Media Foundations
Masking areas of the picture with chroma key and luma key: Digital Media Foundations

Now that you know what an alpha channel is, you probably realized that you've been making adjustments to the opacity of pixels using this channel for ages. There are automatic ways of doing this too, and two of the most common are chroma key and luma key. These two approaches to adjusting alpha channels are so well-established, they've become a staple in production and post production for films and TV. Learn the principles behind these powerful compositing tools in this video.

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Skill Level Beginner
2h 14m
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80,506
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