- A histogram is a computer display that…helps you understand the overall…exposure information within an image.…It can also detect if there's a color balance issue…as you take a look at the different channels.…Here we go, with our histogram for the current opened image,…and you'll see that it skews a little bit to the left.…This side indicates the darker values…and the right side indicates the brighter values.…You'll notice on the histogram here…that I can remove it, of course,…and if it's not visible, just make sure…to click on "Add" and bring the histogram back.…
The histogram itself is pretty straightforward.…As you start to make adjustments to the image,…for example, brightening up that image,…you'll notice that the midtones move to the right,…and this better exposes the image.…Now in this case I've gone a bit far,…and you start to see that there's…some clipping in the highlights.…That's what this spike indicates here.…Let's click an auto value, and it's better exposed.…Remember, you can open these up to see more controls,…
Author
Released
7/22/2015- Applying and removing effects
- Reading the histogram
- Working nondestructively
- Making primary color and exposure adjustments
- Reusing image adjustments
- Enhancing images with advanced adjustments
- Recovering shadows and highlights
- Creating and manipulating black-and-white images
- Sharpening
- Styling photos
- Adding and combining filters
Skill Level Intermediate
Duration
Views
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Learning Photos for OS X
with Derrick Story2h 22m Beginner
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Introduction
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Welcome1m 16s
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Using the exercise files1m 56s
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1. How to Approach Color Correction in Photos for OS X
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Performing a triage5m 8s
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Working in full-screen mode2m 58s
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2. Nondestructive Workflows in Photos for OS X
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Renaming versions3m 23s
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3. An Overview of the Editing Workspace
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Adding adjustment tools2m 10s
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Reading the histogram4m 18s
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4. Controlling Exposure and Tonality
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Fixing exposure3m 26s
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5. Controlling Color and Casts
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6. Creating Dynamic Black-and-White Images
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Stylizing with grain effects1m 39s
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7. Finishing Images with Detailed Adjustments
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8. The Role of Filters and Color Correction
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Adding a filter to an image2m 37s
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Conclusion
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Next steps1m 12s
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Video: Reading the histogram