Graphics Programs Reference
In-Depth Information
All sharpening methods have their virtues, and you may find that you choose a technique ac-
cording to the content of your photo. Try the following procedure by downloading the photo
tiles.jpg from this topic's Missing CD page at www.missingmanuals.com/cds :
1. Open a photo and make sure the layer you want to sharpen is the active layer .
2. Duplicate the active layer by pressing Ctrl+J/ -J .
If you have a multilayered image and you want to sharpen all the layers, first flatten
the image or use the Stamp Visible command (see the box on Stamp Visible ) so
everything is on one layer.
3. Go to Filter Other High Pass .
Your photo now looks like the victim of a mudslide, buried in featureless gray. Don't
panic—that's what's supposed to happen. You'll restore the color in step 6.
4. In the High Pass dialog box, move the slider until you can barely see the outline
of your subject .
Usually that means picking a setting between roughly 1.5 and 3.5. If you can see col-
ors, your setting is probably too high. (If you can't quite eliminate every trace of color
without totally losing the subject's outline, a little bit of color is OK.) Keep in mind
that the edges you see through the gray are the ones that will get sharpened the most.
Use that as your guide for how much detail to include.
5. Click OK to close the High Pass dialog box .
6. At the top left of the Layers panel, use the unlabeled drop-down menu to set the
new layer's blend mode to Overlay .
Ta-da! Your subject is back again in glowing, sharper color, as shown in Figure 7-25 .
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