Chapter 6. Masks and Channels

Masks and Channels

Adobe Photoshop uses masks to isolate and manipulate specific parts of an image. A mask is like a stencil. The cutout portion of the mask can be altered, but the area surrounding the cutout is protected from change. You can create a temporary mask for one-time use, or you can save masks for repeated use.

In this lesson, you’ll learn how to do the following:

  • Refine a selection using a quick mask.

  • Save a selection as a channel mask.

  • View a mask using the Channels palette.

  • Load a saved mask and apply effects.

  • Paint in a mask to modify a selection.

  • Make an intricate selection using the Extract command.

  • Create and use a gradient ...

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