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In this course, Photoshop senior product manager Bryan O'Neil Hughes takes you on an insider's tour of the key photo-enhancement features in Adobe Photoshop CS6, providing details on how they work, background into their evolution, and insights into how to use them more effectively.
The course begins with an exploration of Photoshop features that make changes to an entire image: the Crop tool, the Auto button that's present in many adjustment dialog boxes, and the Curves panel options. Next, Bryan explores sharpness and blur. Each has its place in a photograph, and Bryan details how the sharpening and blur features work and how to get the most out of them.
The course also looks at adjusting specific areas of an image with the Dodge, Burn, and Sponge tools, and at the growing array of content-aware features in Photoshop, showing how they work and what to do when they don't work. The course concludes with a tour of the powerful Liquify filter, features for correcting lens distortion, and the world of presets that allow you to apply settings with a single click.
We've talked a lot about different ways of using Content-Aware technology in Photoshop, but the original Content-Aware technology is called Content-Aware Scale. And what it allows you to do is change the proportions of your image while preserving the Content. This could be used for cropping without losing Image Content on the edges or it could be used to change the Layout of your photo. Maybe you want to take a regular photo and turn it into a Web Banner, but you want to preserve the content in it. And I think there aren't a lot of people who use Content-Aware Scale, mainly, because they don't know about it.
But the other problem with Content-Aware Scale is you need to know a little bit about how it works and some steps to assure success. So in this video I want to show you just how it works. Here I have an image and what I want to do with it is I want to change the proportions and the first thing we want to do is give ourselves a larger Canvas Size. Now I could just change this to the proportions that I want, but for the sake of demonstration I am going to make the whole canvas a lot larger. So now I've plenty of space to work with and what I want to do is select the Image itself.
Now I can draw a rectangle around it, but in this case because there's such a clearly defined white area, I am just going to select that and get the inverse of it. And now we're going to come into Content-Aware Scale and we can see that we can dramatically change the proportions of the image, and in this case we're adding to the sides of the image. We could also pull the top up and add sky to this, or we could pull the bottom down and that pavement and it's just doing that automatically.
Now you might notice as we start to stretch it, the car starts to look a little bit funny. It's a lot easier to synthesize repeating patterns like the sky and the ground and the grass, than it is something very complex like the car. So what you want to do if you've subject matter like that that needs to be preserved? Before for you come in here make a selection and save it, and then once you're in here, you can choose to protect that, and I've named my selection Car, so that now if I rescale this, everything moves, except for the car If I make this taller, I'm going to add Pixels to the bottom and the top, the sky and the ground, but the car stays frozen.
So that gives you a sense of just how powerful this can be, you can really change your image, but protect your content. If you've people in the image, you can click on this little button right here and that's going to protect skin tones. I recommend saving a selection, it gives you a lot more fidelity and a lot more control. And one other surprise area that works really well, let's say I've got a blogpost where I'm writing about software or maybe I'm putting something that has a screen capture on the book, but I don't have room to use the orientation of the screen capture.
So, you see a screen capture of exactly what we have here, and I want to make it narrower, or maybe I want to make it a little taller. I want to change the proportions of it. I hit Cmd+A to select the whole thing, I come into Edit, go down to Content-Aware Scale, and I can just pull that image in, or I can pull the image up. And the way that it works is it's just looking for areas that are the same, and so when I'm making it smaller, it's able to just get rid of them. But if I were to stretch it and make it larger, it's going to look at the neighboring pixels and just add them there.
So whether you're altering your photograph or you just want to change the size of some content, Content-Aware Scale can be very powerful for changing your composition.
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