Frequency Separation (8 and 16 bits)
In this video we are going to see how to edit photos using the frequency separation technique. Using this technique we separate the tones of the textures of the images and thus treat them separately.
We will also see the difference when working on 16-bit and 8-bit photos. The difference is in the way the image textures are obtained.
In 16-bit photos the following parameters are used:
- Layer: the tone layer
- Invert: checked
- Merge: Add
- Scale: 2
- Offset: 0
In 8-bit photos the parameters would be:
- Layer: the tone layer
- Invert: unchecked
- Merge: Subtract
- Scale: 2
- Offset: 128
The rest of the technique would be identical for both images.
Frequency separation retouching
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Take a look at the before and after retouching applying the tutorial you just saw. Move the center bar with your mouse to scroll the effect. (Photos should appear below, otherwise refresh the page -F5)
