In the next few movies we're going to further enhance the impact of this image using a combination of Gaussian Blur and High Pass. While these steps don't have anything to do specifically with the Shadow/Highlights command they will further impact the shadows and highlights inside the image and you'll get a sense of how to work with multiple Smart Filters along with the filter mask here inside Photoshop. So let's start things off with very traditional Gaussian Blur effect. I'm going to go up to the Filter menu, choose Blur, and then choose Gaussian Blur or if you loaded dekeKeys you can use my keyboard shortcut Shift+F6.
I'm going to take that Gaussian Blur value up very high to 15 pixels and essentially what I'm trying to do is blur way pretty much all of the edges inside of this image. Then go ahead and click OK in order to apply that a fact. Now so far we are not doing much to increase the impact of the image at all. In fact, we are just making the image appears as if we've taken off our glasses. What we need to do is adjust the Blend mode for this specific filter by double-clicking on this little slider icons to the right of the words Gaussian Blur here inside Layers panel and that'll bring up the Blending Options dialog box.
I'm going to click on the fellow's face there in order to center the portion of the image so we can see inside of the dialog box and then I'll zoom out little bit as well so we can see is eyes and nose. I'm to change the mode from Normal to the first of the contrast modes which is Overlay, and you can see that restores all of the detail and clarity of the image, but we get a little bit of an edge bounce as well. Now I'll go ahead and click OK in order to accept that effect. Now just so you have a sense of the effect of this filter I'll turn Gaussian Blur off. This is the way the image look before.
If I turn the filter back on, this is the way it looks now. The problem is the Overlay Blend mode not only goes ahead and increases the contrast of the luminance levels inside the image, it also increases the saturation of the color values. To compensate we need to take the saturation levels down and we can do that using Shadows/Highlights. So I'm going to double-click on Shadows/Highlights once again and most likely, you'll get an alert message which is telling you that as you work inside Shadows/Highlights you're not going to see the effects of any filters applied on top up that filter.
Meaning we won't see Gaussian Blur. Just go head and click OK in order to bring up the dialog box. Notice that we're seeing shadows highlights by itself. Then drop down to the Color Correction value and let's take it all the way down to -100 which is as low as it can go. Notice that; that doesn't entirely get rid of the saturation values. In other words, we're not creating a grayscale image, but we are diminishing the saturation levels pretty significantly. Now click OK and Photoshop will go ahead and show you the results of both Shadows/Highlights and Gaussian Blur working together.
So just so you have a sense of what just happened I'll press Ctrl+Z or Cmd+Z on a Mac. These are the saturation values that are evident if we don't reduce the Color Correction value inside shadow highlights and this is what we get by taking the saturation values down before Gaussian Blur is applied. I also wanted you to see what we pulled off over the course of this movie. So I'll press the F12 key in order to revert the image to its original appearance with just shadows highlights applied. So this is the image with shadows highlights by itself and if I press Ctrl+Z or Cmd+Z on a Mac, this is the new version of the image with that bounce of luminance and contrast created using Gaussian Blur combined along with the Overlay Blend mode.
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