Adjusting Levels with a Histogram
Lesson 34 from: Adobe Photoshop: The Complete Guide BootcampBen Willmore
Adjusting Levels with a Histogram
Lesson 34 from: Adobe Photoshop: The Complete Guide BootcampBen Willmore
Lessons
Introduction To Adobe Photoshop
04:05 2Bridge vs. Lightroom
06:39 3Tour of Photoshop Interface
18:21 4Overview of Bridge Workspace
07:42 5Overview of Lightroom Workspace
11:21 6Lightroom Preferences - Saving Documents
08:19 7How To Use Camera Raw in Adobe Photoshop 2020
05:10 8Overview of Basic Adjustment Sliders
13:09Developing Raw Images
30:33 10Editing with the Effects and HLS Tabs
09:12 11How to Save Images
03:37 12Using the Transform Tool
04:48 13Making Selections in Adobe Photoshop 2020
06:03 14Selection Tools
05:55 15Combining Selection Tools
07:37 16Using Automated Selection Tools
17:34 17Quick Mask Mode
05:07 18Select Menu Essentials
21:28 19Using Layers in Adobe Photoshop 2020
13:00 20Align Active Layers
07:29 21Creating a New Layer
06:15 22Creating a Clipping Mask
03:02 23Using Effects on Layers
11:24 24Using Adjustment Layers
16:44 25Using the Shape Tool
04:39 26Create a Layer Mask Using the Selection Tool
04:39 27Masking Multiple Images Together
15:15 28Using Layer Masks to Remove People
10:50 29Using Layer Masks to Replace Sky
10:04 30Adding Texture to Images
09:11 31Layering to Create Realistic Depth
05:35 32Adjustment Layers in Adobe Photoshop 2020
05:29 33Optimizing Grayscale with Levels
10:59 34Adjusting Levels with a Histogram
03:37 35Understanding Curves
06:18 36Editing an Image Using Curves
18:41 37Editing with Shadows/Highlights Adjustment
07:19 38Dodge and Burn Using Quick Mask Mode
07:14 39Editing with Blending Modes
08:04 40Color Theory
05:59 41Curves for Color
16:52 42Hue and Saturation Adjustments
08:59 43Isolating Colors Using Hue/Saturation Adjustment
13:33 44Match Colors Using Numbers
16:59 45Adjusting Skin Tones
05:25 46Retouching Essentials In Adobe Camera Raw
10:52 47Retouching with the Spot Healing Brush
07:53 48Retouching with the Clone Stamp
06:51 49Retouching with the Healing Brush
04:34 50Retouching Using Multiple Retouching Tools
13:07 51Extending an Edge with Content Aware
03:42 52Clone Between Documents
13:19 53Crop Tool
10:07 54Frame Tool
02:59 55Eye Dropper and Color Sampler Tools
08:14 56Paint Brush Tools
13:33 57History Brush Tool
06:27 58Eraser and Gradient Tools
03:06 59Brush Flow and Opacity Settings
04:17 60Blur and Shape Tools
11:06 61Dissolve Mode
09:24 62Multiply Mode
15:29 63Screen Mode
14:08 64Hard Light Mode
14:54 65Hue, Saturation, and Color Modes
11:31 66Smart Filters
11:32 67High Pass Filter
13:40 68Blur Filter
05:59 69Filter Gallery
07:42 70Adaptive Wide Angle Filter
04:43 71Combing Filters and Features
04:45 72Select and Mask
20:04 73Manually Select and Mask
08:08 74Creating a Clean Background
21:19 75Changing the Background
13:34 76Smart Object Overview
08:37 77Nested Smart Objects
09:55 78Scale and Warp Smart Objects
09:08 79Replace Contents
06:55 80Raw Smart Objects
10:20 81Multiple Instances of a Smart Object
12:59 82Creating a Mockup Using Smart Objects
05:42 83Panoramas
13:15 84HDR
11:20 85Focus Stacking
04:02 86Time-lapse
11:18 87Light Painting Composite
08:05 88Remove Moire Patterns
06:11 89Remove Similar Objects At Once
09:52 90Remove Objects Across an Entire Image
05:46 91Replace a Repeating Pattern
06:50 92Clone from Multiple Areas Using the Clone Source Panel
10:27 93Remove an Object with a Complex Background
07:49 94Frequency Separation to Remove Staining and Blemishes
12:27 95Warping
11:03 96Liquify
14:02 97Puppet Warp
12:52 98Displacement Map
10:36 99Polar Coordinates
07:19 100Organize Your Layers
11:02 101Layer Styles: Bevel and Emboss
02:59 102Layer Style: Knockout Deep
12:34 103Blending Options: Blend if
13:18 104Blending Options: Colorize Black and White Image
06:27 105Layer Comps
08:30 106Black-Only Shadows
06:07 107Create a Content Aware Fill Action
08:46 108Create a Desaturate Edges Action
07:42 109Create an Antique Color Action
13:52 110Create a Contour Map Action
10:20 111Faux Sunset Action
07:20 112Photo Credit Action
05:54 113Create Sharable Actions
07:31 114Common Troubleshooting Issues Part 1
10:23 115Common Troubleshooting Issues Part 2
07:57 116Image Compatibility with Lightroom
03:29 117Scratch Disk Is Full
06:02 118Preview Thumbnail
02:10Lesson Info
Adjusting Levels with a Histogram
Let's say this is a scanned photograph. You have an old photo of you. You put it on a flatbed scanner, hit the scan button, and here it is in photo shop. Well, if I come in here and choose levels, you should be aware of the bar chart that's in there. That bar chart is called a hist. A gram in all history Graham does is it tells you which brightness levels are found in your picture, in which ones are not. So. If I zoom up on this, if you compare that bar chart to the bar that's down below, that has those brightness levels in it. If you were to pick any shade from that bar and goes straight up until you hit the bar chart, if there's a bar on the bar chart than that shade is found somewhere within your picture. If on the other hand, you choose a shade, you go straight up and there's nothing in the bar chart at all. Then that is not found in your picture. It's not even a single speck of it is in your picture. So what that tells me with this particular hissed a gram is it's empty over here ...
on the left side, and that means the darker shade in the entire picture is right here. And if I go straight down from it, it's exactly that bright. Well, doesn't this slider here for serious to black? And if I pull it over, let's say, just by chance to right there, wouldn't that force the shade that has found directly below two black? That's what it does. And if that happened to be the darkest shade in our photo now the darker shade is black on the opposite side of the history. Graham, you notice a gap over here, which indicates the shades down here are nowhere to be found in the image. There's nothing near white in this photograph, but if I pull this slider in until it touches the history Graham, then that's gonna force whatever is directly below this toe white. And now the brightest area of her picture is white, and therefore, if I were to click OK and open levels again, I'd see an updated, hissed a gram and updated. One would span the entire width because they forced the darkest area to black in the bread hysteria. White zoom out. Look at her picture. There's a preview check box here. If I turn it off, you'll see before turn it back on and you'll see after then. After doing that, If the image is a little too dark or too bright, I could grab the middle slider and brighten it up or darken it up. Then, if I have that printer I described earlier where I'm printing on really cheap paper using ink, and I find that the darkest part of the image I lose the detail and the lightest I could get, I should say the darkest I can get where I can still see detail. Let's just say it was 90% brightness. Well, I could pull this in until it points at 90% and therefore the darkest part of my picture is not gonna be black. It's gonna be what this points at, and you can use the numbers that are in here to figure out exactly what setting you're using its fans from zero, which means no light whatsoever 2 to 55 which is a much light as you can possibly get. And that's because a normal image has 256 brightness levels, and if you count, zero is a number. That's 256. So you could figure out if this is 100% of the light to 55 then what would be 1% of this number? Well, 10% of it will lead 25.51% would be 2. So if you want to convert, you can take whatever percentage you want and multiply it by 2.55 to figure out what it would be in this numbering system.
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Ratings and Reviews
Noel Ice
I am an avid reader of photoshop books, and an avid watcher of photoshop tutorials. I have attended (internet) several hundred of presentations. In the course of this endeavor, I have found my own favorite photoshop websites and instructors. Creative Live is probably the bargain out there as well as among the top three internet course sites. I have to say with great enthusiasm that the best Photoshop instructor is Ben Willmore. There are many great ones, but truly, he is the best I have come across, and, as indicated above, I have watched literally 100s of tutorials on Photoshop. I have seen all of Ben's courses, I think, and among them, this one is the best by far, and that is saying a lot, because that makes this course the best course on Photoshop to be found anywhere. I am going back and watching it twice. Not only is it comprehensive, but Ben is so familiar with his subject that he is able to explain it like no other. This is crème de la crème of Photoshop classes. I have been wanting to write this review for some time because I have been so thoroughly impressed with everything about this class!
ford smith
Highly recommended if you want to take your Photoshop skills to the next level. Ben Willmore is clear, concise, and professional. He also has a good speaking voice that is not distracting but also keeps you engaged. Lastly, I would recommend that as you become more advanced, increasing the speed of the video (one of the options given on the menu)...especially if you've gone through the course once before and maybe want to watch it again. The double speed is very efficient as you become more advanced in Photoshop. Thanks for the help Ben!
a Creativelive Student
Wow. I cannot communicate the value of this course!! The true value in this course is how the instructor identifies workflows you'll need before you'll ever realize it, repeats important information without it becoming annoying, and explains the "why" behind the techniques so well that even if you forget the exact method, you can figure it out via the principles learned. Excellent value, excellent material, excellent instructor!!!
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