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DPChallenge Forums >> Tips, Tricks, and Q&A >> Sharpening?
Showing posts 1 - 9 of 9, (reverse)
01/29/2006 05:46:06 AM · #1
I just entered my first challenge and a consistent tip that I received in my comments is that I "over-sharpened" my picture. I'm using Adobe Photoshop CS with the Unsharp Mask tool that I'm sure everyone is familiar with.

Are there any tips that I can take in to work with the tool in a better fashion?

What other programs are you all working with? I'd like to just have a second to take a peak at it.
01/29/2006 05:52:16 AM · #2
I use USM with settings of Amount = 100%, Radius = 0.5 to 2.0, Threshold = 0

I then vary the Amount and Radius settings around these values to get the result. I find the best way is to click the 'preview' off and on so you can see the effect. But watch out for halos and lines/contrast that looks 'too sharp' so you know when you've gone too far.

Also be aware that you might be sharpening the image at three or four different places;

1) In-camera sharpening
2) Sharpening in Neat Image, or during your initial PS processing
3) 'Bicubic Sharper' when you resize down to 640
4) Final sharpening before saving the image for web

So, just a little bit of sharpening at each of these stages works well.
01/29/2006 06:02:37 AM · #3
I have turned my in-camera sharpening off.

In PS CS I usually use at least two different USM's:

1. Amount 10-25%, Radius 15-50, Threshold 0
2. Amount 50-100%, Radius 1, Threshold 0

The first increases overall contrast while the second brings out the fine detail. I'd say the most important thing is: your picture should not look sharpened.

Message edited by author 2006-01-29 06:03:01.
01/29/2006 06:03:06 AM · #4
Check this article out, it's very good.
01/29/2006 06:29:39 AM · #5
Originally posted by bragur:

Check this article out, it's very good.

Excellent article Bragur....thanks for the link!
01/29/2006 06:50:36 AM · #6
Originally posted by suemack:

Originally posted by bragur:

Check this article out, it's very good.

Excellent article Bragur....thanks for the link!

NP! I tend to use the layer-based technique (in Part IV), it's quick, easy and gives good results.
01/29/2006 06:54:14 AM · #7
You will get a million different settings for the USM tool here. I personally sharpen anywhere from 100-250% depending on the image. My radius is set to 0.3 and so is my threshold. You have to find a setting that works for you.

01/29/2006 06:56:52 AM · #8
The TLR Professional Sharpening Toolkit, v1.0i PS scripts look pretty good, I've just been trying it out.
01/29/2006 06:58:44 AM · #9
Thanks for all of the positive replies! I'll check out a couple of these options and read the articles that were posted. Thanks again everyone.
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