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a process which increases the definition along edges by amplifying the difference in brightness between pixels.

learn more… | top users | synonyms

30
votes
3answers
2k views

Unsharp mask - what do the parameters do?

I'm interested in getting into post-processing stuff, and I'm wondering about the Unsharp Mask operation. Specifically, there are 3 parameters involved: amount radius threshold What do these do? ...
9
votes
4answers
9k views

Recommended start point for sharpening RAW Images

I'm just beginning to get back into serious photography after a very long time away. I've toyed with digital, but this is my first foray into trying to do controlled creative work in the digital ...
17
votes
1answer
1k views

How should one sharpen differently depending on the target usage for a photo?

In an answer to another question, a statement is made: Sharpening is the only (? I can't think of any others ?) edit which needs to be done differently depending on the target medium. E.g. ...
11
votes
3answers
1k views

Does the order of sharpening and noise reduction matter?

I have been shooting for more than three years, but I never do too much in post-processing. I tend to be strict and keep in mind that PP can only do little to save an otherwise-great photo. I was ...
15
votes
4answers
2k views

Why do photos look best without any sharpening?

Maybe it's a subjective question, but most of the time my photos look best when I leave the Sharpening slider of Lightroom in a value close or equal to zero. Which are the benefits of digital ...
2
votes
1answer
668 views

Resize and sharpen or sharpen and then resize?

Is there a logical reason why one is preferred over the other or it does not make any difference either way? Edit: I meant resize as in downsizing the image.
12
votes
2answers
4k views

How do you optimally resize and sharpen images for printing?

What is the best way to get the clearest, sharpest print without pixelation or blurring? I have tried some sharpening techniques in Photoshop, however they are geared towards sharpening for viewing on ...
6
votes
3answers
10k views

How does Photoshop CS6's deblur feature work?

This video shows a sneak peek of a new Photoshop feature for Creative Suite 6, called 'deblur', which is able to take a blurry image and make it sharper: http://www.youtube.com/watch?v=xxjiQoTp864 ...
9
votes
3answers
428 views

Does Lightroom apply edits in the order I do them, or does it intelligently reorder them?

The matter of the correct order of applying sharpening has been discussed various times (I will pick this question as an example, but it's not the only one), with a clear consensus which can be summed ...
3
votes
2answers
244 views

Should I perform the final color space conversion before or after final sharpening of an image?

When preparing an image for the web (or other media), the last two steps is usually to resize the image to the desired resolution and sharpen it at that resolution. However, when working in a ...
2
votes
5answers
1k views

What is a simple and effective method to sharpen for web output in Photoshop?

In Photoshop, I've got a master PSD image file with all mask and adjustment layer treatments, but no sharpening at all. I save for web and create a JPG at 1200px. Now, I bring that file back into ...