Select the high frequency layer and change the blending mode to “Linear Light”. Now you should have one layer with a blur (low frequency) and a layer above it that looks mostly gray (high frequency). ![]() These will be your settings every time, no need to change them. For blending choose Subtract and for Scale:2, Offset:128. Here you will want to se the Layer: to the low frequency layer. Next choose your high frequency layer and go to Image, Apply Image. (The point here is to use it on your own images). ![]() Here is the image before the blur, it has a little already, but we will add more. Tip: Hold down Ctrl/Cmd+Double click the pin to set the blur amount to 0. Choose a radius that blurs out the skin texture, but don’t go too far as to make the face unrecognizable. Set the blur amount to zero on the bottom pin. One of these copies will be for your low frequency (skin) and one will be for your high frequency (texture).įirst apply a Gaussian Blur to the lower (low frequency) layer. If you are not starting from the beginning, add a Stamp Visible layer over all layers by typing CTRL+ALT+OPTN+E. To get your image set up for frequency separation you will have to make 2 copies of your background layer. Getting Started with Frequency Separation If you want to work with texture, choose the high frequency layer, if you want to work with skin choose the low frequency layer. It sounds quite complex but in practice it is quite simple. When retouching you can focus on just the texture or the skin beneath it. ![]() Frequency separation works because it allows you to separate the texture of an image from the tone and color. ![]() Frequency separation helps make retouching a portrait easier in Photoshop.
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