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I'm using a sequence of operations to smooth the skin of the body. What I'm doing is this:

  • high-pass
  • surface blur
  • invert
  • blend mode: linear light

At this point, what I usually do is to create a black mask and paint with white using the brush. Would it be possible, instead, to create a layer mask with high-pass filter? I tried doing it but I'm not seeing anything happening. Can someone tell me the procedure I should follow?

  • Are you saying you want to generate the skin softening mask, rather than painting it by hand? – a_henderson Dec 8 '14 at 22:56
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The high pass filter is not something that can generate a mask of the skin tones within an image, hence why you wouldn't see much success trying to use it for this purpose.

One possible solution would be to use PhotoShops SelectColor Range... option.

I think in CS6 onwards there's an option in the Select drop-down box of "Skin Tones"

Screen shot of Color Range Dialogue in PhotoShop

This can be used to generate a selection of the skin tones, then you could use that selection as the mask for your skin soften effect.

In my example image it did a reasonable job of selecting skin tones:

enter image description here

The mask would probably still require cleaning up a bit by hand, as the Color Range function is naturally going to pick up some areas of similar colour that are not actually skin.

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