- #How to prepare an image to be used in separation studio how to
- #How to prepare an image to be used in separation studio skin
- #How to prepare an image to be used in separation studio software
#How to prepare an image to be used in separation studio how to
Scale and Offset are two basic parameters as they tell Photoshop how to work. Don’t worry, it’s perfectly normal!īasically, you’re asking Photoshop to merge the two layers of frequencies you created, subtracting one from the other. The preview of your photo will result in something very strange: a gray image with some details in evidence. In the dialog box, enter the settings you see in the image below: Here, we’ll be able to combine the information of the low frequency layer with the high frequency layer we’re working on. Now select Image -> Apply Image and a new window will open. To do so, first we reactivate the visibility of the top layer we had hidden in the previous step. The preview will show your image completely blurred: don’t worry, this is normal because we’ll act selectively only afterwards.Īt this point, we need to prepare the high frequency layer. I suggest you stay in the range between 6 and 10. This will bring up a dialog box where you can set the intensity of the filter. Now let’s apply a Gaussian Blur filter to our low frequency layer. Make sure you have it selected, taking care to remove the visibility of the top layer (the high frequency layer – you can press on the eye icon on the left of the layer name). Let’s start with the low frequency layer. Once the two layers are created, we have to set them properly. To do this, simply select the two layers you just created and press Ctrl + G or ⌘ + G.Īs you can see, in my example I’ve named the group of layers “Frequency Separation” to keep things clear and organized. If the frequency separation adjustments are part of a more complex workflow with many other layers of adjustment, I suggest you use the “Group from layers” function to group them into a folder. You can rename them according to the corrections you want to apply, or more simply, as I normally do, as “High frequencies” and “Low frequencies”. This operation must be done twice as we have two frequency layers to handle.Īt this point, we rename the two layers as needed. Alternatively, right-click on the background layer and press “Duplicate Layer”. To do this we just use Ctrl + J or ⌘ + J on the background layer. Therefore, we’ll cover the steps for retouching in Photoshop using frequency separation.įrequency separation is basically done in three steps:įirst, let’s duplicate our background layer (which is the image we want to modify) and create two independent layers.
#How to prepare an image to be used in separation studio software
There are many software applications that allow you to apply the frequency separation technique, but the most popular is undoubtedly Adobe Photoshop. This image was created by superimposing the High Frequencies (fine detail) of a picture of Albert Einstein onto the Low Frequencies (volume information) of a picture of Marilyn Monroe. How is this possible? Through frequency separation! The closer you get to the screen, the more the image of Albert Einstein replaces that of Marilyn. If you look at this image from a distance (try to move 5 meters away from the screen), you’ll see without too much difficulty the image of Marilyn Monroe. everything you see in the image when you look at it from further away.Īn example that’s often done, and that I also love to do to explain this concept, is the famous optical illusion “Marilyn Einstein” created by MIT.
The low frequencies are those that instead enclose volume information, such as tonal transitions, lights, and shadows.
#How to prepare an image to be used in separation studio skin
The high frequencies are those with very fine details – in portraits, for example, the hair, skin pores, small imperfections… everything you see when you look at the image very close up. In essence, it’s possible to break down our image into spatial frequencies: a technical and complicated word to say that we can make divisions according to the level of detail contained within different areas, and then act selectively on these zones.Īlthough more formally we should consider three levels of frequency, we can easily think of dividing our image into high frequencies and low frequencies. There are many ways to analyze these mutual relationships, and one of the most used is frequency separation. But when they’re put together and related to each other, not only do they allow us to see our final image, but they allow us to make considerations about how they relate to each other. If taken individually the pixels can’t tell us much… in fact, they’re only colored squares. And each pixel is associated with fundamental information to describe our image. Each of our digital images consists of its most fundamental elements: pixels.
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