Easy-to-follow video tutorials help you learn software, creative, and business skills.Become a member

Understanding last-step sharpening

From: Photoshop CS3 Sharpening Images

Video: Understanding last-step sharpening

The final stage of the conventional sharpening workflow is to actually apply sharpening to the image and then convert it to CMYK if necessary. I am working with the re-sampled version of that flattened holiday.TIFF file that I opened in the previous exercise and then took down to four inches wide, by seven inches tall, by 360 pixels per inch. In order to gauge the perfect sharpening settings, we are going to resample the image down to our screen resolution, which my screen resolution is 117 pixels per inch, that's what I am pretending, based on the information that I gave you in the previous Chapter.

Understanding last-step sharpening

The final stage of the conventional sharpening workflow is to actually apply sharpening to the image and then convert it to CMYK if necessary. I am working with the re-sampled version of that flattened holiday.TIFF file that I opened in the previous exercise and then took down to four inches wide, by seven inches tall, by 360 pixels per inch. In order to gauge the perfect sharpening settings, we are going to resample the image down to our screen resolution, which my screen resolution is 117 pixels per inch, that's what I am pretending, based on the information that I gave you in the previous Chapter.

So here's what we are going to do. I am going to press Ctrl+Alt+I, or Command+Option+I on the Mac, to bring up the Image Size dialog box and you can see how this image is currently sized to 4x7x360 per my instructions in the previous exercise. I have Resample Image turned on, I have Constrain Proportions turned on. I am going to change that Resolution value to 117 to fit the resolution of a 17 inch MacBook Pro, which is the kind of computer that I actually have sitting next to me. That's why I am using that even though I am working with, of course, Windows Vista here.

Then I'll click OK in order to make that modification. I'll go ahead and zoom the image into the 100% view size right here. Actually, I'll take it up to 200% so that we can see it in video quite nicely. Shift-Tab away my palette so I have a little more width to work with on screen. Now I am going to go up to the Filter menu and by the way, it's not necessary that every time you sharpen an image that you try to gauge it for your screen resolution. It's just good to know that you have that option available to you. As you work more and more with sharpening, as you become more and more familiar with it, you'll be able to come up with settings that work for you on a regular basis.

But for now as we are learning how this tools work, it's a good habit to get into it and again, if you know your screen's resolution, you know it to be 102 pixels per inch, for example, then go ahead and enter that into the Image Size dialog box. Now I am going to go up to the Filter menu, I am going to choose Sharpen and I am going to choose Smart Sharpen since we have experience with that command, and I am going to come up with some settings that I think work really well for this image. Where the screen is concerned, I would say something along the lines of the value of 90% work pretty nicely for this image and maybe a radius of 0.6 and that ends up giving us something that looks nice and sharp on screen.

So this is before, keep your eye out here on Sammy on the far left side of the screen. This is the before version of Sammy, the unsharpened version. This is the after version of Sammy. So it's just a little bit sharper, he is not over-sharpened; it's something of a subtle effect. I'll go ahead and zoom, I'm inside the dialog box. Let's move it, zoom it on Max inside the dialog box. This is the before version of Max, when I click and hold, this is the after version of Max. Now I was telling you that when you are sharpening for print, you want to go about 50% higher than the Amount value that looks good to you.

So I would take this Amount value up to 140% for example. And that is just a general rule of thumb. If you want to take it higher or lower than that by 10 or 20% that's fine. So let's say, I want to go with 140% and 0.6. That looks good at the screen resolution. So I'll go ahead and write down those settings; 140 and 0.6. Obviously, I am going to have to run the multiplier on the Radius value. Let's go ahead and cancel out because we don't really want to do anything with this version of the image; it's just the test. I'll go ahead and undo the effects of the Image Size command by choosing from the Edit menu, Undo Image Size or I can press Ctrl+Z, Command+Z on a Mac to restore the 360 pixel per inch version of the image.

Now let's go ahead and run our multiplier. Now I am going to have to do a little bit of a calculation here. I'll get my calculator and I want to take 360, which is the actual resolution of this image, and I want to divide by 117, which is the monitor resolution, and I come up with 3.0769, blah, blah, blah. And then I will multiply that times the Radius value. So times .6, and that ends up giving us a radius of 1.8.

I am going to bring back my palettes actually and switch over to the full screen mode for a second here so that I have a little more latitude where moving this image as concerned. Then I'll go up to the Filter menu, and again to Sharpen and Smart Sharpen. This time I'll go ahead and enter the settings that I know that work well for this particular image. So let's go ahead and move Sammy on screen here. I'll enter an Amount value of 140% and then I'll tab down to Radius and raise it to 1.8 per my multiplier. For Now I am going to leave Remove set to Gaussian Blur; we'll worry about that stuff later when we take a look at the tools.

Just to give you a sense, this is the before version of Sammy right there, this is the after version. If I zoom in a little bit so that we can really see this inside of the video; this is the before version, this is the after version. You can see that he looks a little bit over-sharpened actually, but again, bear in mind that we are sharpening for the printer. So we need to go little bit farther than we normally would and we have to have a higher Radius value because our haloes are going to get shrunken. So now go ahead and click OK in order to accept that modification and now Shift-Tab away my palettes once again move the image over little bit, I might even go ahead and zoom in and we want to take this all the way to... I gather this is the 100% view size, yes it is.

This is the before version of the image and this is the after version right here. So hopefully you can see that on screen OK and it'll probably look nicely sharpened in the downsampled video that you are viewing right now. So I've managed to sharpen the image at this point, if I want it to convert it to CMYK because I am sending it off to a prepress device, that's when I would go up to the Image menu, I would choose Mode and I would choose CMYK Color in order to break up the image into cyan, magenta, yellow and black channels.

In my case though, I am going to be printing this to a local inkjet device. I do not want to convert the image to CMYK, do not do that. Any local inkjet device, any local laser printer relies on a printer driver that's provided to you by your printer's vendor, and that printer driver expects to find the images in RGB, to convert the image from RGB. If you convert the image to CMYK before you print it, you'll mess things up and you'll get a bad print. So there it is, we have worked through the conventional printing process. It's pretty good, there is nothing terribly wrong with it because we are trying to sharpen the image for the printer which is a good thing.

But it's not the best way to work; this is what I am going to tell you. We'll examine some of the problems that are inherent with the conventional system starting in the next exercise.

Show transcript

This video is part of

Image for Photoshop CS3 Sharpening Images
Photoshop CS3 Sharpening Images

115 video lessons · 16997 viewers

Deke McClelland
Author

 
Expand all | Collapse all
  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

Start learning today

Get unlimited access to all courses for just $25/month.

Become a member
Sometimes @lynda teaches me how to use a program and sometimes Lynda.com changes my life forever. @JosefShutter
@lynda lynda.com is an absolute life saver when it comes to learning todays software. Definitely recommend it! #higherlearning @Michael_Caraway
@lynda The best thing online! Your database of courses is great! To the mark and very helpful. Thanks! @ru22more
Got to create something yesterday I never thought I could do. #thanks @lynda @Ngventurella
I really do love @lynda as a learning platform. Never stop learning and developing, it’s probably our greatest gift as a species! @soundslikedavid
@lynda just subscribed to lynda.com all I can say its brilliant join now trust me @ButchSamurai
@lynda is an awesome resource. The membership is priceless if you take advantage of it. @diabetic_techie
One of the best decision I made this year. Buy a 1yr subscription to @lynda @cybercaptive
guys lynda.com (@lynda) is the best. So far I’ve learned Java, principles of OO programming, and now learning about MS project @lucasmitchell
Signed back up to @lynda dot com. I’ve missed it!! Proper geeking out right now! #timetolearn #geek @JayGodbold
Share a link to this course

What are exercise files?

Exercise files are the same files the author uses in the course. Save time by downloading the author's files instead of setting up your own files, and learn by following along with the instructor.

Can I take this course without the exercise files?

Yes! If you decide you would like the exercise files later, you can upgrade to a premium account any time.

Become a member Download sample files See plans and pricing

Please wait... please wait ...
Upgrade to get access to exercise files.

Exercise files video

How to use exercise files.

Learn by watching, listening, and doing, Exercise files are the same files the author uses in the course, so you can download them and follow along Premium memberships include access to all exercise files in the library.


Exercise files

Exercise files video

How to use exercise files.

For additional information on downloading and using exercise files, watch our instructional video or read the instructions in the FAQ.

This course includes free exercise files, so you can practice while you watch the course. To access all the exercise files in our library, become a Premium Member.

Join now "Already a member? Log in

Are you sure you want to mark all the videos in this course as unwatched?

This will not affect your course history, your reports, or your certificates of completion for this course.


Mark all as unwatched Cancel

Congratulations

You have completed Photoshop CS3 Sharpening Images.

Return to your organization's learning portal to continue training, or close this page.


OK
Become a member to add this course to a playlist

Join today and get unlimited access to the entire library of video courses—and create as many playlists as you like.

Get started

Already a member?

Become a member to like this course.

Join today and get unlimited access to the entire library of video courses.

Get started

Already a member?

Exercise files

Learn by watching, listening, and doing! Exercise files are the same files the author uses in the course, so you can download them and follow along. Exercise files are available with all Premium memberships. Learn more

Get started

Already a Premium member?

Exercise files video

How to use exercise files.

Ask a question

Thanks for contacting us.
You’ll hear from our Customer Service team within 24 hours.

Please enter the text shown below:

The classic layout automatically defaults to the latest Flash Player.

To choose a different player, hold the cursor over your name at the top right of any lynda.com page and choose Site preferencesfrom the dropdown menu.

Continue to classic layout Stay on new layout
Exercise files

Access exercise files from a button right under the course name.

Mark videos as unwatched

Remove icons showing you already watched videos if you want to start over.

Control your viewing experience

Make the video wide, narrow, full-screen, or pop the player out of the page into its own window.

Interactive transcripts

Click on text in the transcript to jump to that spot in the video. As the video plays, the relevant spot in the transcript will be highlighted.

Are you sure you want to delete this note?

No

Your file was successfully uploaded.

Thanks for signing up.

We’ll send you a confirmation email shortly.


Sign up and receive emails about lynda.com and our online training library:

Here’s our privacy policy with more details about how we handle your information.

Keep up with news, tips, and latest courses with emails from lynda.com.

Sign up and receive emails about lynda.com and our online training library:

Here’s our privacy policy with more details about how we handle your information.

   
submit Lightbox submit clicked
Terms and conditions of use

We've updated our terms and conditions (now called terms of service).Go
Review and accept our updated terms of service.