How to Work with Light and Dark Edges in Photoshop - Start doing this...
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Start doing this effect on your images using Photoshop by following several procedures:
1st step is duplicate the layer holding the image
2nd step - apply the conventional unsharp mask
3rd step - set the layer blending mode to “Darken” or “Lighten”.
However, you must understand that this only works for 8 bit per channel images – those that can be put into layers but it could function also on 16 bit per channel pictures with Optipix plug-in that allows direct selection of dark or light edges.
If you are not sure about which edge halo to use, there are general rules regarding such:
1. On light background tones, light edges don’t show up well and vice versa on dark ones.
2. The halo should lie on the background, not on the foreground. This technique helps the feature stand out without having to change its brightness values.
Sometimes the following rules are in conflict. It is necessary, then, to try several combinations to decide which is best. You can try both edges, light edges only, dark edges only. You can experiment since different regions of your image may call for different answers.
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