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Image Resizing
ID #1035
What is Unsharp Mask?
To sharpen images, Resizr implements what is called Unsharp Masking. Basically, this technique makes images appear less blurry by enhancing the contrast of pixels near edges.
Resizr performs this operation after it has resized your image, so you will NOT see the sharpened version of the image immediately when you click the "sharpen" checkbox.
The three options you can set for unsharp mask are:
Generally, leaving these three options as they are set by resizr will work just fine. However, in some cases, you may benefit by experimenting!
There are a number of good tutorials on unsharp masking, and you may want to read them if you want more in-depth knowledge.
Ready to Resize? Go to Resizr, the Image Resizer.
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Author: Matt
Revision: 1.3