From the course: Photoshop Masking and Compositing: Fundamentals
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The channel is the origin of masking - Photoshop Tutorial
From the course: Photoshop Masking and Compositing: Fundamentals
The channel is the origin of masking
As most of you know Photoshop provides a Layers panel which is where you create and modify layers. Photoshop also offers a Masks panel, so you might naturally think that's where you create and modify masks, not so. In fact, the Masks panel is nothing more than a set of minor support options that we won't visit until Chapter 9. You create and modify masks in the Channels panel. Why? Because masks are channels, let me explain. Photoshop is in its hard a grayscale image editor. So rather than seeing a full-color image the way you and I do, Photoshop sees no fewer than three grayscale images working together, but ultimately unique. The fact that Photoshop blends the images on-the-fly to produce a full-color composite is strictly a favor to you. These grayscale images are called Channels. Imagine a river of full-color information one that Photoshop separates into its component parts. The red light goes down the red stream, the green light down the green stream, and the blue light down the…
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Contents
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The Masks and Channels panels4m 48s
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How color channels work7m 7s
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Viewing channels in color3m 24s
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How RGB works4m 12s
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Single-channel grayscale5m 12s
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Mixing a custom "fourth" channel5m 15s
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The other three-channel mode: Lab5m 45s
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A practical application of Lab4m 55s
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The final color mode: CMYK7m 6s
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Introducing the Multichannel mode5m 56s
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Creating a unique multichannel effect5m 18s
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The channel is the origin of masking1m 54s
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