Tuesday, October 1, 2024

What is "Unsharp Mask", anyway?

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What in the World is "Unsharp Mask"?

I just finished giving the seminar in Kansas City, KS - what fun that was!!  People came from several states away to attend, which is always gratifying.  A few days before that I gave a lecture to a local photo club on Wireless Flash, with the goal of getting people to be less intimidated by this very useful technique.

Gave a talk at the Digital Dimensions and Beyond photo club in Kansas City, KS.

During the seminar's segment on Photoshop I received an unusual amount of good questions regarding the most unintuitive name ever given to an editing tool: "Unsharp Mask".  

What is it??  How was its name derived?  And how does it work?