Questions tagged [unsharp-mask]
The unsharp-mask tag has no usage guidance.
7 questions
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What are the techniques to sharpening text in colored paper?
I need to sharpen this image:
Using online sharpening tool, this is the best I have:
It doesn't improve much, so I decide to do it manually. Following this tutorial, I use the Sharpen (Unsharp Mask) ...
- 419
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How do I use the "Standard Deviation" and "Scale" parameters in Gimp 2.10's GEGL-based unsharp mask?
Previously, Gimp 2.8 and earlier used a dialog with the familiar "radius, amount, threshold" parameters as described at Unsharp mask - what do the parameters do?, like this:
But in Gimp 2.10, we ...
- 144k
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Best Unsharp Mask settings after resizing photos for imagemagick
I'm resizing photos uploaded to a photography gallery and have thus applied an unsharp mask to attempt to preserve the photos original sharpness. The settings I use are:
radius: 0
sigma: 0.5
amount: ...
- 319
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What are the dark room techniques used to manipulate the *local* contrast of a print?
What dark room techniques are used to achieve effects similar to those of unsharp mask or "clarity" in digital post-processing?
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What ImageMagick "-unsharp" parameters are appropriate in processing photos for web use?
I am using the convert tool from the ImageMagick package to create the web versions of my photos. So far I have used something like ...
- 2,521
3
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3
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Output sharpening for thumbnails - keeping small filesize
I am doing various export tests to get nice looking thumbnails for my photoapps.
My thumbs are 120 x 80.
So far the output sharpening from Lightroom looks the best, (sharpen for Screen, High) only ...
- 159
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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? ...
- 6,328
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