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Almost every photo can benefit from some enhancement, from exposure adjustments to cropping. In this course, author Rich Harrington shows how to improve photos using iPhoto. The course describes how to crop and straighten photos; remove red eye; improve exposure, color, and contrast; and refine images by retouching blemishes, removing noise, and adding special effects like vignettes.
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While using the white eyedropper is a great way to automatically measure and fix the white balance for color cast, sometimes you'll need to do it by hand. This could be because you don't actually have something that's white, or clicking on a white object makes the object looked artificial. Let's tweak this a bit. With the image open here, I'm going to drag the Temperature slider, and notice, as we go to the left, it gets cooler. Dragging to the right, it gets much warmer. So, sometimes this is a subjective decision.
I like a bit warmer here, with a little bit of Saturation. Tinting, on the other hand, will compensate, and you notice that you can add in magenta, or in this case, green to sort of neutralize things. Oftentimes Temperature and Tint will work together so you can properly restore an image. Let's take a look here. This one is pretty tough. Very poor lighting, and some harsh shadows. His eyes are closed, because he is under direct bright sunlight.
Using the Temperature slider here, I could drag, and you see that things change quite a bit. A little bit of tinting can also help, putting in too much green, or neutralizing the cast a bit. Remember, you will have to find a balance. This particular image is JPEG, so it gets really tough to rescue. But if we look at where it started versus where it ended up, while it's not a great exposure, it's certainly a lot better than where it came from, and that's where tweaking manually can help you.
Here's one more photo, and in this case, it's difficult. I could take the eyedropper, and click on something like the water there, but it really doesn't feel right to me. Let's zoom in here to 200%, and I'm going to adjust the Temperature until the rocks feel right. That's looking a little bit better. One for 100%. I like the way the water feels there. It's bluer. The rocks have a nice reddish tint. We'll zoom back out, and that feels a lot better. Using the Tint slider, I can further manipulate it if I need to, although I think, in that case, that's just about right.
I'll round that out with a little more Saturation, some Definition, and a little bit of Contrast, and look at the before versus the after. Tweaking the color Temperature went a long way to making the blue ocean blue, and the red rocks red. This is fine, but it's kind of a brown blah mess. Taking the time to tweak a few sliders really brought the image to life.
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