From the course: Inkjet Printing for Photographers
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Understanding the histogram - Photoshop Tutorial
From the course: Inkjet Printing for Photographers
Understanding the histogram
So this image here has a bunch of pixels in it, and each one is colored a shade of gray. If I zoom in here, we can actually see individual pixels. Now, some of these pixels might be the same color. There might be a black pixel here and a black pixel there. But because they are spread all over, it's difficult for us to see how many of each there might be. Well, why do we care? you might be thinking. It just looks like the image. We care because a good print has certain characteristics. Among those, it has blacks that are truly black, it has whites that are truly white, and if we don't have those things, we're going to get a weaker print. But, you might be thinking, I can see those on screen. There is some, some black right there. The thing is, black and white are actually specific quantifiable phenomena. The tone might look black onscreen; it might not actually be true black. It might simply look black because of the way your monitor is adjusted, or it might look black to you because…
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Contents
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Printing and your workflow3m 3s
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Printing black-and-white photos6m 49s
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Understanding the histogram7m 37s
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Understanding what localized adjustments are used for2m 38s
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Explaining the histogram with a practical example6m 51s
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Making a localized adjustment in a practical example5m 30s
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Evaluating a localized adjustment in a practical example2m 29s
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Refining a localized adjustment for effect13m 36s
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Making a gradient adjustment6m 47s
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Paying attention to viewing conditions4m 49s
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Summing up1m 50s
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