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Black & White meets the Channel Mixer

From: Photoshop CC One-on-One: Intermediate

Video: Black & White meets the Channel Mixer

In this movie, I want to give your sense for how you can combine black and that changes the entire layer mask back to white, and we are once

Black & White meets the Channel Mixer

In this movie, I want to give your sense for how you can combine black and white along with a channel mixer in order to take advantage of the best of both features. So here we're looking at that infrared effect that we created a few movies back using the channel mixer. And as you may recall, we had posterization problems and I didn't even address all of them. If you look closely in the upper left-hand corner of the image you'll see that there's more posterization in the background and we have some weird highlight details along the top of the younger woman's hair. So I'm going to go ahead and zoom out, and I'm also going to throw away this layer of Gaussian blur, because we're not going to need it. We're going to mask those posterized areas away. So I'll right click on the word smart filters and choose clear smart filters. And then, given that we no longer need the smart object, I'll right click inside the image window with the rectangular marquee tool, and I'll choose Rasterize Smart Object.

And the reason that's a good idea is because smart objects add to file size, so if you don't need them, don't use them. Now I'm going to turn off that Channel Mixer layer and click on it, so that it'll create the black and white layer on top of it. And you can either choose black and white from the black white icon at the bottom of the layers panel or if you have the custom shortcut, press ctrl+shift b or Cmd+shift b on the Mac. And I'm going to call this guy alt bmw mix and click okay. We could start with the preset infrared which does get us someplace actually, however it doesn't give us the cool effect we were seeing a moment ago and we've got the posterization again and very plainly so in the background woman's face so I'm going to customize things using the target adjustment tool.

And I'll start by dragging underneath the younger woman's eye. And that ends up in my case highlighting yellows and I'm going to take that yellows value down to 130. Then I'll click above the eye which should highlight the reds. And indeed it does. And I'm going to brighten those reds to a tune of 60. And the only reason I'm working with round values here is so you can easily follow along if you want to. Then I'll drag inside the woman's jacket and that in my case highlights the blues and I'll take that blues value up to 50 as you can see here. And then from here on, I'll just adjust the slider triangles. Now notice if I crank up the magentas value, I'm brightening up this background woman's hair as well as portions of her jacket.

We don't want to go as high as 300, that looks pretty ridiculous, so I'm going to take this value down to 70. The greens don't really resonate too much. You can see a little bit of action in the down left corner here, but not too much is going on, so I'm just going to match that same yellows value, which is 130. And then finally we've got cyans, and I'll show you where the cyans are located in this image. It's the earring. So if I crank up the cyan value, we're seeing the ring around that earring, and if I crank it down, it's turning darker. For now I'm going to take it to, let's say, about 100. So these are the settings I'm going with, red's 60, yellow's 130, green's 130, cyan's 100, blue's 50 and finally magenta's 70. All right, I'll go ahead and hide the properties panel and zoom out from my image, once again. And let's take a look at how we might merge these two layers together.

Now if I turn on this channel mixer layer, it's going to make a big, huge difference. Whereas turning off the black and white layer does nothing and that's because black and white doesn't have anything to work from after this point. It's just taking a black and white image, and making it black and white. But what we can do now is we can mask through the channel mixer layer. So I'm going to click on that layer to make it active and then I'm going to drop down to the Add Layer Mask icon, and click on it, so we have a layer mask that we can paint inside of. All right, let's start with the upper left corner of the image. I'll select a brush tool and I'm going to right click inside my image here to show you that I have the hardness now set to 0% and I might take this size value up to 200 pixels to start with. You want to make sure that your foreground color is black, as it is in my case, and you want to paint away those areas of posterization, including those strange halos coming off the girl's hair.

And I'm going to paint inside the background woman's face as well because that's pretty heavily posterized. And I might paint down into this region of the image. Scroll down here so I can see more of that out of focus background and paint it away. And I might paint inside of this region a little bit as well. I've got some details up here I need to take care of so I'll go ahead and paint those regions away. So in other words, we're using the channel mixer layer where we need it and we're painting it away where it's essentially causing problems for the image. I'm also going to paint inside the young woman's face, her chin, her nose, and up into her forehead as well, but I want to try to leave the eye alone. In fact, I might have painted over portions of the eye here. I'm going to press the x key and reduce the size of my brush and paint back in on that eye, because notice without the channel mixer layer, if I turn it off, she's got an awfully dark circle around that eye. So I'll go ahead and turn channel mixer back on. It's a little too bright right there at that location, so I'll press the X key to switch back to black and paint that back in. And then finally we want the earring to brighten up, so I'll go ahead and paint over it as well. All right now at this point I'll just press the M key to switch back to the rectangular Marquee. And, I want to reduce what's known as the density of this layer mask. That is to say, rather than having the black portions of the layer mask absolutely hide the contents of this layer, I'd like them to mostly hide the layer. And you get to the density value by double clicking on the layer mask thumbnail, here inside the layers panel, that brings up the properties panel. And notice if I reduce the density value to zero, that changes the entire layer mask back to white, and we are once again seeing the effects of the channel mixer layer across the entire image.

And if we change the density value back to 100% then all of our black brush strokes are returned to black and they're absolutely hiding the effects of this layer. I want to to split the difference a little bit so I'm going to click inside that value and press Shift+Down Arrow three times to reduce the density to 70%, which turns the blacks of the layer mass to dark gray. And it does so temporarily, so you can always come back and change your mind later. All right, now I'm going to hide the properties panel. And the final thing I want to do is, I want to brighten up that earring a little bit. And I'm going to do that by clicking on the thumbnail for the ALT B&W mix layer and I'm going to increase that cyan's value dramatically. In fact, I'm going to take it up to 260 in order to compensate for what's been going on with the channel mixer layer. Alright, that takes care of it. Now press the F key a couple of times in order to switch to the full-screen mode and zoom out a little bit as well. And just so you can see the difference here, this is the original infrared version of the image with the dark earring, probably and overly bright face and all that posterization in the background. And this is the new smoother version of the image, thanks to a combination of black and white, and channel mixer working together

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This video is part of

Image for Photoshop CC One-on-One: Intermediate
Photoshop CC One-on-One: Intermediate

123 video lessons · 14096 viewers

Deke McClelland
Author

 
Expand all | Collapse all
  1. 2m 4s
    1. Welcome to One-on-One
      2m 4s
  2. 1h 1m
    1. The best of Photoshop automation
      35s
    2. Content-Aware Fill and Color Adaptation (CC 2014) UPDATED
      7m 44s
    3. Combining two layers with a layer mask (CC 2014) UPDATED
      5m 37s
    4. Content-aware healing (CC 2014) UPDATED
      10m 17s
    5. Introducing the Patch tool
      3m 43s
    6. Using Content-Aware Patch UPDATED
      7m 17s
    7. Retouching with Content-Aware Patch UPDATED
      3m 45s
    8. Using the Content-Aware Move tool UPDATED
      7m 41s
    9. Using Content-Aware Extend
      2m 4s
    10. The Content-Aware Scale command
      6m 35s
    11. Scaling in multiple passes
      2m 22s
    12. Protecting skin tones
      3m 31s
  3. 32m 55s
    1. Editing the histogram
      1m 50s
    2. The new automatic Levels adjustment
      4m 33s
    3. Customizing a Levels adjustment
      4m 53s
    4. Understanding the Gamma value
      2m 7s
    5. Opening up the shadows
      2m 48s
    6. Previewing clipped pixels
      3m 40s
    7. Retouching with Output Levels
      4m 25s
    8. Making channel-by-channel adjustments
      2m 19s
    9. Faking a gray card in post
      2m 51s
    10. Assigning shortcuts to adjustment layers
      3m 29s
  4. 57m 43s
    1. How sharpening works
      1m 38s
    2. Introducing the Smart Sharpen filter
      6m 56s
    3. Understanding the Radius value
      5m 20s
    4. Gauging the best sharpening settings
      5m 45s
    5. Addressing color artifacts and clipping
      5m 49s
    6. The Remove and Reduce Noise options
      4m 22s
    7. The Shadows/Highlights options
      7m 36s
    8. Correcting for camera shake
      6m 47s
    9. Sharpening with the Emboss filter
      5m 45s
    10. Sharpening with the High Pass filter
      4m 44s
    11. Painting in sharpness
      3m 1s
  5. 1h 12m
    1. Vector-based type
      1m 35s
    2. Creating and editing point text UPDATED
      8m 8s
    3. Font and type style tricks UPDATED
      7m 58s
    4. Type size and color tricks UPDATED
      6m 42s
    5. Kerning and tracking characters UPDATED
      8m 9s
    6. Creating and editing area text UPDATED
      3m 50s
    7. Selecting and formatting paragraphs UPDATED
      6m 50s
    8. Setting text inside a custom path UPDATED
      5m 34s
    9. Creating text along a path
      6m 12s
    10. Adjusting baseline shift
      4m 45s
    11. Creating and stylizing a logo
      6m 49s
    12. Masking text into image elements UPDATED
      6m 14s
  6. 1h 9m
    1. The other vector-based layer
      1m 39s
    2. Dotted borders and corner roundness
      8m 14s
    3. Drawing and aligning custom shapes
      3m 55s
    4. Creating your own repeatable custom shape
      5m 43s
    5. Selecting and modifying path outlines (CC 2014) UPDATED
      6m 5s
    6. Isolating selected layers (CC 2014) UPDATED
      6m 39s
    7. Combining simple shapes to make complex ones UPDATED
      6m 31s
    8. Cropping, adjusting, and merging shapes UPDATED
      8m 49s
    9. Creating a soft, synthetic sparkle
      6m 22s
    10. Saving a resolution-independent PDF file
      6m 42s
    11. Turning a small image into a huge one
      8m 38s
  7. 1h 14m
    1. Depth, contour, and texture
      1m 28s
    2. Imparting depth with a layer effect
      9m 9s
    3. The power of the drop shadow
      7m 37s
    4. Modifying a layer and its effects
      6m 21s
    5. Saving custom default settings
      4m 12s
    6. Creating a custom contour
      8m 5s
    7. Introducing Bevel and Emboss
      8m 8s
    8. Multiple effects and multiple layers
      7m 45s
    9. Global Light and rasterizing effects
      8m 5s
    10. Gloss and surface contour
      6m 4s
    11. Adding texture to Bevel and Emboss
      7m 21s
  8. 34m 48s
    1. Styles store settings
      1m 38s
    2. Creating and applying a paragraph style
      3m 41s
    3. Redefining a style and styling a word
      5m 38s
    4. Creating and styling a placeholder style
      5m 43s
    5. Applying and creating layer styles
      5m 45s
    6. Loading and customizing layer styles
      5m 42s
    7. Merging and saving layer styles
      6m 41s
  9. 56m 48s
    1. Meet the transformations
      1m 55s
    2. Transformations and Smart Objects
      5m 46s
    3. Adjusting the interpolation setting
      5m 10s
    4. Rotating a layer with Free Transform
      5m 22s
    5. Scale, duplicate, and repeat
      4m 30s
    6. Creating a synthetic star field
      5m 20s
    7. Warping a logo with Arc and Flag
      5m 34s
    8. Distort, perspective, and skew
      4m 15s
    9. Using transformations to draw and correct
      7m 0s
    10. Bolstering text with layer effects
      5m 43s
    11. Adding highlights with Lens Flare
      6m 13s
  10. 43m 36s
    1. Removing the weight that the camera adds
      1m 7s
    2. The Warp and Reconstruct tools
      6m 44s
    3. Brush size, hardness, and opacity
      4m 29s
    4. The Pucker, Bloat, Push, and Twirl tools
      7m 12s
    5. Saving and reapplying Liquify settings
      4m 9s
    6. Lifting and slimming details
      9m 42s
    7. Warping legs, arms, and fabric
      5m 33s
    8. Improving a model's posture
      4m 40s
  11. 58m 46s
    1. Shoot in color, convert to black and white
      1m 55s
    2. Three ways to grayscale
      5m 36s
    3. Mixing a custom black-and-white image
      7m 31s
    4. Simulating an infrared photograph
      6m 39s
    5. Creating a sienna-infused sepia tone
      5m 38s
    6. Creating a hyper-saturated image
      5m 26s
    7. Introducing the Black & White command
      3m 16s
    8. Customizing the Black & White settings
      4m 50s
    9. Black & White meets the Channel Mixer UPDATED
      7m 29s
    10. Infusing an image with tint and color
      5m 9s
    11. Grayscale and Split Tone in Camera Raw
      5m 17s
  12. 41m 34s
    1. The many ways to print
      1m 41s
    2. Using the test document UPDATED
      3m 18s
    3. Print, position, and size
      5m 57s
    4. Description and printing marks
      3m 3s
    5. Establishing a bleed
      3m 44s
    6. Getting reliable color
      5m 54s
    7. Special printing options
      5m 1s
    8. Previewing an image at print size
      4m 16s
    9. Creating contact sheets
      4m 49s
    10. Creating a multipage PDF
      3m 51s
  13. 31m 9s
    1. Making Internet imagery
      1m 6s
    2. Introducing Save for Web UPDATED
      4m 39s
    3. Creating the perfect JPEG image
      5m 14s
    4. Creating a high-contrast GIF image
      6m 23s
    5. The two varieties of PNG
      3m 57s
    6. Downsampling for the web
      5m 59s
    7. Adding copyright and contact info
      3m 51s
  14. 1m 3s
    1. Until next time
      1m 3s

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