Join Tim Grey for an in-depth discussion in this video Selecting by luminosity, part of Photoshop: Selections (2011).
When optimizing a photographic image, you'll often find that you want to apply …an adjustment to the dark shadow or bright highlight areas of an image. …In many cases, a selection that identifies the brightest or darkest areas …of an image can prove quite useful. In this lesson, we'll take a look at how …you can create a selection, based on luminosity values within an image. …Now this technique is certainly destructive to pixels, so the first thing …we need to do, is to create a copy of our background image layer. …To do so we can simply click on the thumbnail for our background layer, and …drag it to the create new layer button, the blank sheet of paper icon at the …bottom of the Layers panel. This will create a background copy layer …that we can work with, without being concerned about any harm being done to …the original background image. Because of what we're going to do to this …layer, I want to reduce the opacity. You'll see why that's important in just a …moment, but the important thing is to reduce the opacity for our background …
- Adding, subtracting, and intersecting
- Saving and loading selections
- Using Deselect, Reselect, and Hide
- Selection tools
- Advanced selection techniques
- Refining selections
- Selection projects
Skill Level Advanced
Photoshop CS5: Selections in Depthwith Jan Kabili3h 45m Intermediate
Photoshop Masking and Compositing: Fundamentalswith Deke McClelland11h 36m Intermediate
1. Basic Concepts
2. Selection Tools
3. Advanced Selection Techniques
4. Refining Selections
5. Selection Projects
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