Join Jan Kabili for an in-depth discussion in this video Fine-tuning a color channel selection, part of Photoshop CS5: Selections in Depth.
Another way to make a selection is to use information that's already in the…image in the form of a color channel.…When you are working with an image like this, that has fine detail in the foliage…or hair you can sometimes get a good selection using the Refine Edge or Refine…Mask dialog boxes, as I have shown how to do in other movies.…But even with those improvements to the selection and masking technology in…Photoshop CS5, the channel technique that I am going to show you here can…sometimes get you the best, and fastest selection.…
Here, for example, I'd like to select the sky from in between all of the detail…of the foliage, so that I can replace that area with a less bland sky that I…have on the layer below.…To do that, I am going to go to the Channels panel, and I am going to click on…each one of the Red, Green, and Blue channels, one at a time, to view it here in…the document window.…Notice that each of these is a grayscale channel, and as I go through these, I…am looking for the channel that has the most contrast.…
- Understanding the when and why of making selections
- Combining and transforming selections
- Selecting fine detail with Refine Edge
- Capturing soft and hard edges in one selection
- Understanding the relationship of selections to masks
- Removing color fringe around selections
- Using the Marquee and Lasso tools
- Working with the Color Range command
- Selecting with the Pen tool and paths
- Making easy selections with the Quick Selection tool
- Working with Refine Mask
- Sharing selections between images
Skill Level Intermediate
Photoshop CS5 One-on-One: Advancedwith Deke McClelland26h 24m Intermediate
Photoshop CS5: Creative Compositingwith Chris Orwig4h 41m Intermediate
1. Why Make Selections?
2. Selection Basics
3. Modifying Selections
4. Refining Selections
5. Geometric Selection Methods
6. Drawing Selection Methods
7. Tonal and Color Selection Methods
8. Using Image Properties to Select
9. Saving Selections
10. Working in Quick Mask Mode
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