Graphics Programs Reference
In-Depth Information
6. Masks and Channels
Lesson overview
In this lesson, you'll learn how to do the following:
Create a mask to remove a subject from a background.
Refine a mask to include complex edges.
Create a quick mask to make changes to a selected area.
Edit a mask using the Properties panel.
Manipulate an image using Puppet Warp.
Save a selection as an alpha channel.
View a mask using the Channels panel.
Load a channel as a selection.
Isolate a channel to make specific image changes.
This lesson will take about an hour to complete. Download the
Lesson06 project files from the Lesson & Update Files tab on your
Account page at www.peachpit.com , if you haven't already done so.
As you work on this lesson, you'll preserve the start files. If you
need to restore the start files, download them from your Account
page.
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