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Photoshop CS3 Sharpening Images

Adding depth of field


From:

Photoshop CS3 Sharpening Images

with Deke McClelland

Video: Adding depth of field

In this project, we are going to talk about how to add depth of field to an image. So that we bring more of the image on to the focal plane. So notice what we have in the case of this image right here, which is called a Man with columns.PSD. It's found inside the 07_For_Effect folder and this image comes to us from photographer Tom Young, once again of iStockphoto.com. And notice that we have this gentleman in the foreground, who is in sharp focus, and his background is out of focus. It's very separated from him.
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  1. 50m 30s
    1. Why every image needs sharpening
      2m 38s
    2. Understanding the effects of sharpening
      5m 26s
    3. Understanding the mechanics of sharpening
      4m 19s
    4. Understanding sharpening and gradual transitions
      3m 21s
    5. Understanding sharpening and noise reduction
      4m 0s
    6. Understanding amount and radius
      7m 50s
    7. Measuring your screen resolution
      6m 19s
    8. Using reliable zoom ratios
      5m 30s
    9. Calculating the actual print size
      4m 54s
    10. Gauging the ideal sharpening settings
      6m 13s
  2. 59m 31s
    1. Everyone knows you sharpen last (and everyone is wrong)
      1m 8s
    2. Understanding the conventional sharpening workflow
      5m 4s
    3. Flattening and saving to TIFF
      6m 39s
    4. Downsampling (and why you shouldn't upsample)
      6m 8s
    5. Understanding last-step sharpening
      6m 44s
    6. Recognizing problems with the conventional workflow
      9m 38s
    7. Erasing sharpening with the history brush
      4m 30s
    8. Using alternative sharpening workflows
      2m 37s
    9. Sharpening a scanned photograph shot on film
      2m 45s
    10. Sharpening a digital photograph
      3m 6s
    11. Sharpening specific details
      3m 43s
    12. Finding broad workflow conclusions
      2m 49s
    13. Learning that technique trumps timing
      4m 40s
  3. 1h 27m
    1. Comparing and contrasting neighboring pixels
      1m 6s
    2. Using the Gaussian Blur filter
      4m 25s
    3. Using Gaussian luminance distribution
      4m 47s
    4. Using the Unsharp Mask filter
      4m 54s
    5. Understanding the history of Unsharp Mask
      3m 51s
    6. Building your own USM with Gaussian Blur
      7m 35s
    7. Using the Smart Sharpen filter
      7m 35s
    8. Compensating for camera shake
      8m 50s
    9. Building your own Smart Sharpen with Lens Blur
      6m 59s
    10. Using directional sharpening with Emboss
      9m 13s
    11. Using Smart Sharpen extras
      8m 56s
    12. Using Convolution Kernels for more accuracy
      7m 8s
    13. Using the High Pass filter
      7m 32s
    14. Using Luminance Sharpening
      5m 5s
  4. 2h 14m
    1. Smoothing filters, smart objects, and masks
      1m 25s
    2. Using the Median filter and Dust and Scratches
      7m 7s
    3. Using Smart Blur and Surface Blur
      6m 12s
    4. Using the Despeckle filter
      8m 17s
    5. Softening flesh tones selectively
      10m 15s
    6. Using the Reduce Noise filter
      7m 27s
    7. Combining smoothing and sharpening
      8m 24s
    8. Making an image into a smart object
      9m 24s
    9. Applying editable smart filters
      6m 8s
    10. Combining two smart filters
      8m 5s
    11. Assigning a filter mask
      5m 59s
    12. Nesting one smart object inside another
      10m 32s
    13. Employing a static High Pass layer
      8m 59s
    14. Matching static pixel-level edits
      4m 37s
    15. Avoiding clipping with luminance blending
      9m 7s
    16. Sharpening and smoothing
      6m 36s
    17. Making an edge mask
      8m 14s
    18. Making a non-edge mask
      7m 17s
  5. 1h 33m
    1. Sharpening with Adobe Camera Raw
      1m 29s
    2. Introducing Camera Raw (4.1 or later)
      8m 13s
    3. Understanding why to sharpen for source
      5m 14s
    4. Using Camera Raw’s sharpening control
      5m 52s
    5. Previewing limitations and tricks
      6m 45s
    6. Why downsampling doesn’t work
      3m 12s
    7. Reducing chromatic aberration
      7m 30s
    8. Using the Defringe option
      3m 32s
    9. Understanding high frequency, low radius
      5m 21s
    10. Raising the Detail value
      3m 6s
    11. Using on-the-fly edge masking
      5m 41s
    12. Sharpening a low-frequency portrait
      6m 36s
    13. Eliminating color noise
      4m 47s
    14. Reducing luminance noise
      4m 42s
    15. Correcting “false sharpening”
      7m 15s
    16. Reducing shadow noise
      5m 22s
    17. Approximating ACR sharpening in Photoshop
      8m 35s
  6. 59m 8s
    1. Gauging and exploiting luminance frequency
      1m 27s
    2. Using low-frequency source sharpening
      5m 53s
    3. Using High Pass for portraits
      4m 19s
    4. Actioning a low-frequency edge mask
      7m 42s
    5. Modifying the source sharpening
      5m 21s
    6. Using high-frequency source sharpening
      5m 26s
    7. Using Smart Sharpen for cityscapes
      3m 2s
    8. Actioning a high-frequency edge mask
      5m 4s
    9. Downplaying color artifacts and clipping
      4m 4s
    10. Sharpening a medium-frequency image
      5m 24s
    11. Sharpening a layered composition
      7m 16s
    12. Sharpening for multiple frequencies
      4m 10s
  7. 1h 8m
    1. Who needs dull when you have sharp?
      56s
    2. Focusing in on a person’s eyes
      4m 22s
    3. Blurring the area outside the eyes
      4m 22s
    4. Sharpening eyes and other details
      5m 38s
    5. Darkening the lashes and eyebrows
      7m 13s
    6. Sharpening dark-haired people
      5m 2s
    7. Edge mask and emphasize
      3m 39s
    8. Nesting a Smart Sharpen effect
      4m 48s
    9. Density mask sharpening
      5m 35s
    10. Adding depth of field
      4m 39s
    11. Sharpening a background
      4m 23s
    12. Masking background from foreground
      8m 51s
    13. Eliminating halos around a person
      5m 38s
    14. Deepening and warming a background
      3m 28s
  8. 1h 18m
    1. Reverting back to convention
      1m 37s
    2. Understanding the use-neutral composition
      4m 15s
    3. Restoring much-needed antialiasing
      4m 2s
    4. Reducing noise in a high-frequency image
      7m 24s
    5. Making a third-level smart object
      3m 55s
    6. Preparing an image for print
      5m 18s
    7. Using ideal settings for commercial reproduction
      5m 37s
    8. Calculating very large-format settings
      5m 11s
    9. Using ideal settings for inkjet output
      4m 26s
    10. Sharpening for commercial reproduction
      5m 45s
    11. Sharpening for inkjet output
      4m 58s
    12. Revealing high-frequency multipass sharpening
      5m 21s
    13. Using Gaussian Blur to sharpen hair
      5m 41s
    14. Flatten, Save As, Resample, and Sharpen
      5m 9s
    15. Revealing low-frequency multipass sharpening
      3m 30s
    16. Sharpening an image for web or screen
      6m 22s
  9. 1m 50s
    1. Goodbye
      1m 50s

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Photoshop CS3 Sharpening Images
10h 33m Intermediate Feb 15, 2008

Viewers: in countries Watching now:

Real focus happens inside the camera's lens element. The sharpening features in Photoshop CS3 exaggerate the contrast along edges in a photograph to transform a well-focused image into an outstanding image. In Photoshop CS3 Sharpening Images, Deke McClelland teaches a host of sharpening and noise reduction techniques, including using filters such as Unsharp Mask, Smart Sharpen, High Pass, and Reduce Noise. The training teaches the essentials of sharpening, including what it does, why it's important, and how the filters function. Plus, the training covers Deke's recommended best practices, including the four distinct varieties of sharpening, which can be used independently or in combination with each other. Photoshop CS3 Sharpening Images is about how to transform images from looking good to looking their absolute best. Exercise files accompany the course.

Topics include:
  • Understanding the effects of sharpening
  • In-depth examinations of Unsharp Mask, Smart Sharpen, Emboss, and High Pass
  • Smoothing an image with the Surface Blur, Despeckle, and Reduce Noise features
  • Working with smart objects and smart filters
  • Creating edge masks and non-edge masks
  • Sharpening for digital-image capture using Camera Raw
  • Gauging and exploiting luminance frequency
  • Exploring creative applications of sharpening
  • Sharpening a multilayer composition
  • Sharpening eyes, hair, and out-of-focus backgrounds
  • Reducing noise in a high-frequency image
  • Determining ideal settings for commercial and inkjet output
  • Sharpening very large-format images
  • Sharpening an image for the web or screen output
Subjects:
Photography Sharpening
Software:
Photoshop
Author:
Deke McClelland

Adding depth of field

In this project, we are going to talk about how to add depth of field to an image. So that we bring more of the image on to the focal plane. So notice what we have in the case of this image right here, which is called a Man with columns.PSD. It's found inside the 07_For_Effect folder and this image comes to us from photographer Tom Young, once again of iStockphoto.com. And notice that we have this gentleman in the foreground, who is in sharp focus, and his background is out of focus. It's very separated from him.

Now what if you want it to look more part of him, you want the foreground and background to appear to be more in union with each other? Like this image right here for example, which by the way is called heightened DOF, meaning depth of field, .PSD also found inside that same 07_For_Effect folder. How do you go about achieving this effect? Well, I will say first of all that you aren't going to take portions of an image that are out of focus and suddenly make them in focus. So the background still appears to be somewhat out of focus.

You are just going to close the gap a little bit. Now we could try to- by the way this is the entire built file at this point- we could try to close the gap even farther. We could try to heighten the focus of the background even more and I could do that by going to this Unsharp Mask effect that's been applied to this Smart Object that's called success right here. And I could change its blend mode settings by double clicking on the blending icon and I could increase the Opacity. Notice that I have the Opacity setting way down; I could increase it to a 100%.

So that we have a very crunchy background indeed and I will go ahead and accept that modification. That to me doesn't look like it's in focus. What it looks like to me is this guy is standing in front of a poster that is over sharpened. So he doesn't look like he is even in the neighborhood of these columns anymore; it just looks like a completely faked effect. Whereas if I go ahead and back it off by pressing the Ctrl+Z or Command+Z on the Mac, so I undo that modification, then we end up getting something that produces an enhanced depth of field effect as I say, but it looks credible as well.

It looks like the image might have actually been photographed this way. Now I am going return back to the original image right here, Man with columns.PSD from the iStockphoto.com. image library as I say. Now it's tempting after seeing this heightened depth of field image here. It's tempting to look at this one and say gosh, was this modified? I mean this foreground image looks so different than its background. Perhaps he was masked against this background, or the photographer took the time in order to mask the background and lightened it significantly.

I am going to tell you first of all, I didn't do anything to the image and secondly, I don't think the photographer did either and I will tell you why. I am going to double click on the Smart Object. Notice that I have gone ahead and taken the original image and opened it inside of Camera RAW and then transported the image into Photoshop as a Smart Object. So we can go ahead and double click on the Smart Object in order to load the Camera RAW modifications. Heres a few reasons why I don't think anything has been done to this image. First of all, it was slightly crooked and so I needed to go ahead and just ever so slightly straighten it and I also went ahead and cropped it as well.

And I made some modifications to the temperature and tint which I didnt think were exactly what they needed to be. And if I switch over to the Sharpening options here, you can see that I up the Color noise reduction setting. I am going to ahead and press Ctrl+Alt+0 or Command+Option+0 in order to zoom in on this image and actually I am going to zoom in quite close on the eye and cheek details right here. This is what the image looked like originally. If I set the color value down to the 0, you can see that there is a lot of color noise inside of this image, both inside of the skin tones and inside of the eye, there is a lot of blue. There is a lot of aberrant very bright blues inside of this image that can be easily resolved by uping this color value to 30 and then they pretty much entirely go away.

I also sharpened for the de-mosaicing process. So I am guessing that if the photographer didn't take care of the straightening and the Color noise reduction and all of that stuff then he wasn't going to spend the time necessary to create an extremely accurate mask. This is quite the mask, I am here to tell you, and separate the image from the background. So my guess? This is the way it was photographed, it's beautiful photograph incidentally. So nothing against the photography at all. Alright. So having explained what we are about to do, we will set about doing what we are about to do in the next exercise.

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