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Introduction
This is the final result of this episode, a portrait of a woman with a more even and soft skin tone, yet the texture of her pores remains intact. This is the advantage of frequency separation compared to regular blurring. Let's get started. Hello, welcome back to the complete Adobe Photoshop series from Cerdas Inovasi Digital. Frequency separation is a skin retouching technique used by professionals. The photo is split into two layers, low frequency containing color and light, and high frequency containing texture. We can improve one without damaging the other.
Step 1: Two layer copies
Open the portrait of the woman if you're ready. Press Ctrl J twice. Name the middle layer low, and the top layer high. Disable the eye icon of the high layer first.
Step 2: Low Layer
Select the low layer, then filter, blur, Gaussian blur. Increase the radius until the pore details disappear but the face shape is still visible, around 8 pixels. This layer now contains only color and light.
Step 3: High Layer with Apply Image
Enable and select the high layer. Select image, apply image. Set the layer to low, blending mode subtract, scale 2, and offset 128, then okay. The high layer now turns gray containing only texture. Change the blend mode of the high layer to linear light.
Step 4: Blend mode Linear Light
The photo looks exactly as original, because the combination of color from low and texture from high reconstructs the photo. If it looks exactly the same, the separation is correct.
Step 5: Smoothing colors in Low
Select the low layer. With a feathered 20-pixel brush, select the areas of cheeks, forehead, and chin, without eyes, eyebrows, and lips. Apply a stronger Gaussian blur, around 18 pixels. Uneven color and shadow areas become soft, while the pores in the high layer remain intact.
Step 6: Cleaning texture in High
Deselect, select the high layer, then use the spot healing brush on small blemishes. Since this layer only contains texture, the fixes do not leave color spots. Select low and high, press Ctrl G, and name the group Frequency Separation.
Step 7: Group and compare
Turn off and on the group to compare. Save PSD and export JPG. Done. We have separated the photo into low and high layers, using apply image and linear light, smoothed the skin color on the low layer, and cleaned the texture on the high layer. In the next episode, we will shape the facial lighting with dodge and burn. Need to edit product photos for marketplace, retouch photos, design posters, or social media content? Cerdas Inovasi Digital provides photo editing and graphic design services, as well as opens Photoshop courses from beginner to advanced. Want to master the entire series? 102 episodes from the interface to the final project? All episodes, complete with PDF step-by-step guides, source photos, and layered PSD files, are available for premium tutorial subscribers. Subscribe starting at Rp69.000 per month, save 28% with the 12-month package, or pay once Rp999.000 for lifetime access. Want a single class only? Buy single classes with lifetime access. Subscribe now at the premium page cerdasinovasidigital.com Contact us via WhatsApp, or visit cerdasinovasidigital.com Thank you for watching, see you in the next episode. Thank you for watching, see you in the next episode.
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Cerdas Inovasi Digital Team
Software developers, BIM & 3D engineers, and AI practitioners
52 video classes1,276 episodes
We build software, BIM models, games and AI automations for clients every day, and turn that hands-on work into step-by-step classes: every step is shown on screen and comes with a PDF guide you can keep.
