Photoshop by the Numbers: The Unsharp Mask filter
The Unsharp Mask filter pt.1 - The basics
How can you sharpen an edge that is already sharp? The Unsharp Mask filter does it, and this article explains how.
The Unsharp Mask filter pt.2 - The parameters in practice
Amount, Radius and Threshold - this article makes some suggestions how to set Unsharp Mask's parameters for optimal sharpening results.
The Unsharp Mask filter pt.3 - High radius, low amount sharpening
An interesting effect results from a high Radius and low Amount setting on the USM filter. I compare it, among others, to a global contrast curve.
The Unsharp Mask filter pt.4 - Why "Unsharp Mask"?
Why is Unsharp Mask called Unsharp Mask? There is a reason, and in this article I show in precise detail what it is.
Photoshop by the Numbers
Click here for all my articles about the numbers of Photoshop and digital images.
Like my writings? Have anything to comment? Click here!
Copyright © 2015-2018 Gerald Bakker. All Rights Reserved.