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Advanced noise reduction with the Dfine plugin

From: Photoshop CS4 for Photographers

Video: Advanced noise reduction with the Dfine plugin

So far we have talked about how we can use Photoshop in order to reduce noise. But let's say you want to take it to the next level. Well, what are you going to do? Well, a lot of times what people do is they purchase a plug-in. Now, you can purchase a plug-in that doesn't come with Photoshop in order to reduce even more noise and typically, there are two reasons why you use plug-ins. One, it saves time; two you are able to do more detailed work. So, what I want to do here is simply showcase one of the plug-ins that you can use for noise reduction. Now, there are a handful plug-ins, you don't have you use this plug-in. Yet, this is the plug-in that I use so I simply want to showcase that so you have and idea about how you can use external plug-ins. All right, well let's go ahead and select two images. Click on corwig_trek and then hold down the Command key on a Mac, Ctrl key on a PC and click on corwig_mac_world and then right click or Ctrl-click and choose Open.

Advanced noise reduction with the Dfine plugin

So far we have talked about how we can use Photoshop in order to reduce noise. But let's say you want to take it to the next level. Well, what are you going to do? Well, a lot of times what people do is they purchase a plug-in. Now, you can purchase a plug-in that doesn't come with Photoshop in order to reduce even more noise and typically, there are two reasons why you use plug-ins. One, it saves time; two you are able to do more detailed work. So, what I want to do here is simply showcase one of the plug-ins that you can use for noise reduction. Now, there are a handful plug-ins, you don't have you use this plug-in. Yet, this is the plug-in that I use so I simply want to showcase that so you have and idea about how you can use external plug-ins. All right, well let's go ahead and select two images. Click on corwig_trek and then hold down the Command key on a Mac, Ctrl key on a PC and click on corwig_mac_world and then right click or Ctrl-click and choose Open.

Let's start off with this photograph of the trek athlete here. Double-click the Zoom tool, press F to get a Full Screen View mode and when we do that we notice, hey! We have quite a bit of noise because this image was underexposed. I increase the exposure in order to make it a little bit more interesting than all this noise in the image. I'll zoom in Command+Plus on a Mac/Ctrl++ on a PC. In the sky, I have color noise, on the athlete, I have all kinds of color noise and I just have this low exposure noise. I have problems. So, I navigate to my Filter pulldown menu. I'm going to choose Define. This is a plug-in that's put up by Nick- Software. It's a phenomenal plug-in, it works incredibly well. If you want more information about it, just do a quick Google search of Nick Software. And what I want to do here is again keep this really simple. I don't want to really teach you how to use a plug-in, but just kind of showcase it. So we notice that there is a quite a bit of noise. We can see we have noise around the tree branches, on the sky, on the athlete. Here's what I'm going to do. I'm going to go an automatic measuring. Now this will just analyze the image. If I zoom out a little bit on this image, you will notice that it's sampling different areas and it is analyzing those areas and it is saying, hey! This is where we have some problems. I'll go to my noise reduction, I'll reduce noise across the whole image, zoom in on that so we can see what's happening here and I'll reposition this and zoom in even further so, that's as far as I can go. And here you can see the before and after. You can see that I have reduced all the artifacts, the color noise, the contrast noise, let's go to the sky here. You can see that it's like night and day difference.

Now I can control the overall amount, so I'll go ahead and reduce the amounts here so that I'm doing a little bit less noise reduction and I'll reduce it quite a bit so, you can see now I just have that color noise is reduced, increase that a little bit more and I can find the sweet spot where I maintain in the detail. So, what's happening here is in the measuring, it's analyzing in the image. Hey! Where is the noise? And then I have some controls that will then help me determine how much noise I want to apply. I'll go back to the Navigator panel and hover over the athlete and make sure I'm removing enough noise off the athlete. I need to crank that up a little bit more here, don't I? So I'm going to go ahead and increase that quite a bit. Click OK to apply that and the nice thing about this noise reduction is it's non-destructive. Here is my before, here is my after, zoom in so you can see that even better. Before and after, it's on a separate layer. So, let's say that you know I really like the noise reduction on the athlete. I don't like what it did to the sky. Well, no big deal, right? I'll simply grab the Quick Select tool. I'll paint a quick selection across the athlete here. I'll go ahead and be pretty rough because again, I'm not trying to get too detailed here for you.

We have a nice selection, click on the Mask icon. Well, now I just have right noise reduction on the athlete. We will zoom in so we can see that, here is my before and after. Okay, well let's go to our next image. Let's press Ctrl+Tab on a Mac or a PC. Now, here we have a photograph for Macworld. I was speaking at Macworld this last year so I flew in to San Francisco, I got there, I started to do a little walk about at night. I was walking down the street and I came upon this ad and I just thought. Oh, how classic is that! lynda.com added a bus stop, so fun! So I had a snap a couple of photos here.

Well, I opened up the photos and let's zoom in on them and these have been sized down, but we can still see some of the noise, we zoom in on it, we say you know what? Looks great, but we have noise on the bus over there, we also see noise on this black area on the lynda.com logo. So I want to reduce that, I'll start with some noise in the yellow of the sign. So I'm going to navigate to my Filter pulldown menu, go to Define and choose Define 2.0 there. This will then open up this dialog and I'll reposition this so we can look at a portion of the image here that we can recognize. There is the good, old logo. What I'm gong to do is go to my automatic measuring and just say, hey! You know what, measure the noise for me, perfect. I'll then go to my Reduction and rather then whole image, I'm going to go to Color Range. Now, with Color Range, what I can do is click on the Eyedropper and say you know what, we are going to work on these black tones or these actually- they are not black. They are a little bit brown and yellow tones. I can then increase or decrease the amount of noise reduction in that specific area. I can also sample the yellow of the sign. So I can target real specific areas. Now, in addition to that, I can use what's called the control point. Now I can a control point to a specific area of an image and again, on that area of the image I can increase or decrease the amount of noise reduction and I'll need to move the Spacebar over that area to see my before and after.

You can change your before and after views in a couple of different ways as well. So as you can see, you have the ability to target different aspects of your image, you can also get into different channels and in those different channels you are going to see quite a different view of that types of noise. So here we can see the green channel, not very many problems, but when I go down to that blue-yellow channel, gosh! All kinds of noise there and then I can increase or decrease my noise reduction based on what I'm seeing in that preview. I'll go back to that RGB composite view mode. All right, well so far we have just seen that we can go on to our measuring automatic reduction, we have a number of different controls and the image is looking pretty good. I'm going to go to the Whole image to just keep this simple, increase my Contrast and Color Noise, click OK to apply that and again, I'm not trying to show you how to necessarily use that plug-in. I'm trying to give you vision for why you may want to pick up one of those plug-ins and learn more. Let's look at our before and after here. Here is before and after, zoom in even further on the lynda.com logo. We can see the blacks looks so much better here, and the yellows as well over here.

Let's go over to the bus because we saw some noise on that bus. Here is our before and after, zooming in even further you can see it does just a phenomenal job identifying problem areas and then reducing the noise in those problem areas. At the end of the day, what you want to do is double-click the Zoom tool, take it to 100% and look at your before and after. That's were you will able to define if this is going in a good direction and with this image, again, that plug-in did a phenomenal job. There are two reasons or at least for me, there are two reasons, why I want to use a plug-in. One, is it speeds up my work so, two, it helps me get better results.

Show transcript

This video is part of

Image for Photoshop CS4 for Photographers
Photoshop CS4 for Photographers

228 video lessons · 36536 viewers

Chris Orwig
Author

 
Expand all | Collapse all
  1. 3m 28s
    1. Introduction
      2m 43s
    2. Using the exercise files
      45s
  2. 19m 32s
    1. Taking visual snapshots
      2m 33s
    2. What's new in the Photoshop CS4 menus
      1m 24s
    3. The importance of the 30-minute blink
      2m 38s
    4. Isolation
      3m 32s
    5. Taking notes
      2m 29s
    6. Creative memorization
      2m 16s
    7. Verbalize, human, fun
      1m 18s
    8. Lessons from a legend: Douglas Kirkland
      2m 10s
    9. Resources and links
      1m 12s
  3. 30m 42s
    1. Is Photoshop CS4 worth it?
      2m 50s
    2. Seeing the new Tools panel
      3m 22s
    3. Working with the Application bar
      2m 51s
    4. Navigating with the Hand and Zoom tools
      4m 27s
    5. Rotating with the new Rotate View tool
      2m 0s
    6. New ways of arranging documents
      5m 41s
    7. Working with the panels
      2m 34s
    8. Customizing your workspace
      2m 11s
    9. Creating custom keyboard shortcuts
      3m 12s
    10. Creating custom menus
      1m 34s
  4. 39m 36s
    1. Choosing your Color settings
      5m 4s
    2. Setting Image Interpolation preferences
      3m 1s
    3. Zoom preferences
      2m 40s
    4. Interface preferences
      7m 46s
    5. File-handling preferences
      2m 33s
    6. Performance preferences: Memory
      5m 40s
    7. Performance preferences: Cursor
      5m 46s
    8. Performance preferences: Transparency and Gamut
      4m 44s
    9. Reviewing the other preferences
      2m 22s
  5. 21m 14s
    1. Bit Depth 101
      4m 34s
    2. Introducing image size
      2m 47s
    3. Image Resize overview
      7m 54s
    4. Resizing by cropping
      3m 33s
    5. Straightening
      2m 26s
  6. 10m 10s
    1. Introducing color management
      2m 3s
    2. Monitor calibration basics
      2m 43s
    3. Advanced monitor calibration
      2m 36s
    4. Creating a neutral work environment
      2m 48s
  7. 11m 17s
    1. Using Photoshop, Bridge, and Lightroom together
      2m 20s
    2. Bridge as a digital light box
      1m 19s
    3. General Bridge preferences
      2m 49s
    4. Thumbnail Bridge preferences
      1m 38s
    5. Advanced and Cache Bridge preferences
      3m 11s
  8. 28m 1s
    1. Creative tip 1: Discarding, the great selection technique
      4m 6s
    2. Introducing the Bridge interface
      3m 27s
    3. Getting photos from your camera
      4m 14s
    4. Choosing a workspace
      4m 16s
    5. Customizing the workspace and the Synchronized window
      4m 10s
    6. Using Bridge to rate and sort
      4m 3s
    7. Sorting with filters
      3m 45s
  9. 33m 53s
    1. Previewing multiple files
      5m 6s
    2. The Bridge Review mode
      7m 4s
    3. The Bridge Full Screen mode
      3m 8s
    4. Bridge slideshows
      4m 25s
    5. Stacking images
      3m 24s
    6. Renaming and batch-renaming
      4m 11s
    7. Adding favorites
      1m 58s
    8. Grouping images with Collections
      4m 37s
  10. 15m 3s
    1. Setting up metadata
      3m 34s
    2. Customizing the workspace for metadata
      2m 20s
    3. Creating a metadata template to add a copyright notice
      3m 55s
    4. Keywording images
      3m 33s
    5. Filtering images based on metadata
      1m 41s
  11. 9m 54s
    1. Recording an action
      2m 16s
    2. Batch-processing an action
      2m 11s
    3. Simplifying repetitive steps using the Image Processor
      2m 21s
    4. Opening multiple images as layers
      3m 6s
  12. 1h 13m
    1. What is Camera Raw?
      2m 47s
    2. Understanding the Camera Raw preferences
      3m 15s
    3. Opening files in Camera Raw
      5m 23s
    4. The Camera Raw interface and essential controls
      5m 13s
    5. White Balance, Straighten, and Tone
      3m 2s
    6. Crop, Rotate, and Vignette
      5m 6s
    7. Improving color and tone
      4m 45s
    8. Saturation vs. Vibrance
      4m 46s
    9. Converting an image to black and white
      4m 7s
    10. Split-toning an image
      3m 32s
    11. Working with tone subjectively
      5m 56s
    12. Adjustment Brush essentials
      3m 19s
    13. Using the Adjustment Brush
      7m 24s
    14. Working with the Graduated filter
      4m 6s
    15. Sharpening and noise reduction
      6m 10s
    16. Working with multiple images
      4m 45s
  13. 38m 42s
    1. Creative tip 2: Worth the risk
      2m 30s
    2. Introducing layers
      2m 53s
    3. Working with layers
      2m 21s
    4. Working with History and the History Brush
      4m 1s
    5. Aligning layers
      1m 56s
    6. Organizing layers
      4m 17s
    7. Layer style effects
      4m 21s
    8. Creating a clipping mask
      4m 27s
    9. Creating a reflection of an image
      2m 37s
    10. Targeting and moving layers
      5m 36s
    11. Reviewing layers shortcuts
      3m 43s
  14. 31m 31s
    1. Introducing masking
      2m 8s
    2. Creating a simple layer mask
      3m 51s
    3. Masking shortcuts
      3m 25s
    4. Using Color Range to create a detailed mask
      3m 48s
    5. Creating a layer mask with Color Range
      5m 5s
    6. Masking and brightening eyes
      3m 35s
    7. Masking and selective sharpening
      2m 58s
    8. The Quick Mask mode
      6m 41s
  15. 24m 15s
    1. Creating a custom border with masking
      5m 41s
    2. Using pre-built borders
      7m 6s
    3. Exploring sample image frames
      4m 59s
    4. Frame plugin highlight: Photoframe
      6m 29s
  16. 51m 47s
    1. Creating a mask with the Quick Selection tool
      5m 39s
    2. Working with the Quick Selection tool
      4m 12s
    3. Creating color range selections
      4m 46s
    4. Advanced selection enhancements
      5m 1s
    5. Using the Magic Wand
      2m 33s
    6. Using the Lasso tool
      5m 37s
    7. Pen and path shortcuts
      5m 20s
    8. Understanding paths
      4m 7s
    9. Creating path selections
      6m 3s
    10. The Magnetic Lasso tool and paths
      8m 29s
  17. 21m 10s
    1. Introducing the Adjustments panel
      2m 26s
    2. Brightness and contrast
      3m 39s
    3. Understanding the difference between Vibrance and Saturation
      2m 55s
    4. Using the Target Adjustment tool
      4m 9s
    5. Hue/Saturation adjustments and masking
      3m 15s
    6. Hue/Saturation blending with Shadow/Highlight
      4m 46s
  18. 17m 45s
    1. Introducing levels
      1m 58s
    2. Enhancing color and tone with levels
      3m 3s
    3. Modifying color with levels
      3m 47s
    4. Levels and masking
      3m 13s
    5. Using levels and masking to get the most out of adjustments
      5m 44s
  19. 40m 58s
    1. Demystifying curves
      6m 52s
    2. Using curves for contrast and tone
      3m 33s
    3. Midtones and advanced blending
      2m 50s
    4. Curves and general Hue/Saturation
      2m 54s
    5. Enhancing color with curves
      6m 18s
    6. Curves, color, masking, and tone
      5m 10s
    7. Curves and masking
      4m 54s
    8. Creative tip 3: Using curves for publication
      5m 14s
    9. Using, modifying, and saving curves presets
      3m 13s
  20. 24m 7s
    1. Creative tip 4: Ordinary ingredients = extraordinary results
      2m 23s
    2. Introducing blend modes
      5m 36s
    3. Blend modes visualized
      6m 48s
    4. Blending multiple images
      6m 9s
    5. Blend modes shortcuts
      3m 11s
  21. 42m 57s
    1. Correcting color with eyedroppers
      4m 37s
    2. Advanced color correction with eyedroppers
      2m 27s
    3. Color correction with Camera Raw
      3m 3s
    4. Performing difficult color correction with Camera Raw
      3m 1s
    5. Performing easier color correction with a color chart
      2m 31s
    6. Color-correcting skin by the numbers
      3m 42s
    7. Color-correcting by the numbers
      4m 10s
    8. Color correction: Studio shot
      3m 6s
    9. Color correction: Light skin tone
      3m 6s
    10. Color correction: Dark skin tone
      3m 44s
    11. Color correction: Multiple skin tones
      6m 40s
    12. Color correction plugin highlight: SkinTune 2
      2m 50s
  22. 44m 44s
    1. Replacing color with Hue/Saturation
      3m 2s
    2. Replacing a color
      5m 6s
    3. Modifying color with Selective Color
      3m 5s
    4. Color focus
      5m 59s
    5. Experimenting with cool and warm colors
      5m 18s
    6. Enhancing a portrait with sunset colors
      5m 16s
    7. Enhancing a landscape with sunrise colors
      5m 19s
    8. Enhancing a color group shot
      3m 17s
    9. Using photo filters with black-and-white photos
      3m 14s
    10. Using photo filters with color photos
      5m 8s
  23. 22m 3s
    1. Introducing the Burn and Dodge tools
      2m 56s
    2. Using the Burn and Dodge tools
      3m 47s
    3. Darkening corners with the Soft Light blend mode
      3m 0s
    4. Adding contrast to the highlights
      2m 30s
    5. Darkening a portion of an image
      2m 45s
    6. Correcting bright and dark tones
      3m 56s
    7. Reducing highlights with the Multiply blend mode
      3m 9s
  24. 19m 30s
    1. Creative tip 5: Seeing beyond the color - your gear is good enough
      4m 58s
    2. Introducing black-and-white conversion
      3m 37s
    3. Portrait black-and-white conversion
      3m 31s
    4. Landscape black-and-white conversion
      2m 40s
    5. Adding grain and tone to a black-and-white image
      4m 44s
  25. 11m 16s
    1. Introducing Smart Filters
      2m 36s
    2. Applying Smart Filters
      3m 21s
    3. Blending and masking Smart Filters
      5m 19s
  26. 19m 38s
    1. Noise reduction with Surface Blur
      4m 36s
    2. The Noise Reduction filter
      2m 54s
    3. Advanced noise reduction with Channels
      5m 32s
    4. Advanced noise reduction with the Dfine plugin
      6m 36s
  27. 33m 29s
    1. The Dust and Scratches Filter
      3m 57s
    2. Using masking to remove dust and scratches
      5m 10s
    3. Introducing the trio of healing tools
      6m 18s
    4. Using the Healing and Clone Stamp tools
      4m 21s
    5. Using the Patch tool
      7m 40s
    6. Cleaning up an image with what's there
      6m 3s
  28. 58m 58s
    1. Creative tip 6: A beautiful mistake
      2m 51s
    2. Cleaning up a background
      3m 21s
    3. Removing blemishes
      4m 19s
    4. Cleaning up backgrounds and blemishes
      3m 46s
    5. Brightening eyes
      3m 12s
    6. Changing eye color
      4m 55s
    7. Darkening the edge of an eye
      1m 32s
    8. Adding makeup
      2m 25s
    9. Correcting distortion
      2m 19s
    10. Reducing eye wrinkles
      4m 4s
    11. Adding height and reducing wrinkles
      7m 55s
    12. Whitening teeth
      4m 6s
    13. Whitening teeth using Quick Mask
      3m 39s
    14. Softening skin
      5m 5s
    15. Removing red-eye
      2m 21s
    16. The next steps in retouching
      3m 8s
  29. 38m 35s
    1. Introducing Smart Sharpen
      3m 23s
    2. Smart Sharpen demystified
      4m 10s
    3. Smart Sharpen and masking
      8m 46s
    4. Using the Unsharpen Mask filter
      5m 19s
    5. Black-and-white High Pass sharpening
      8m 2s
    6. Color High Pass sharpening
      3m 27s
    7. Sharpening and tone
      5m 28s
  30. 28m 38s
    1. Resizing for email and the web
      3m 1s
    2. Image size considerations
      2m 54s
    3. Preparing files for the web
      4m 37s
    4. Sharpening for the web
      2m 12s
    5. Correcting color for the web
      3m 10s
    6. The Save for Web dialog
      3m 51s
    7. Creating a web gallery
      6m 21s
    8. Sharing your photos online
      2m 32s
  31. 23m 33s
    1. Creating contact sheets
      4m 19s
    2. Presenting your photos as a PDF slideshow
      2m 55s
    3. Desktop printing recommendations
      1m 40s
    4. Preparing to print
      5m 53s
    5. Using Soft Proof to pre-visualize printing
      3m 46s
    6. Using the Print dialog
      3m 31s
    7. Print settings
      1m 29s
  32. 23s
    1. Goodbye
      23s

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