Image Sharpening Using the Unsharp Mask

by Brian Johnston (Canada)

 

Original image (no sharpening)

Amount = 50 Radius = 1.0 Threshold = 0

Amount = 100 Radius = 1.0 Threshold = 0

Amount = 200 Radius = 1.0 Threshold = 0

Amount = 100 Radius = 2.0 Threshold = 0

Amount = 100 Radius = 4.0 Threshold = 0

Amount = 100 Radius = 8.0 Threshold = 0

Amount = 100 Radius = 1.0 Threshold = 10

Amount = 100 Radius = 1.0 Threshold = 20

 

Amount = 100 Radius = 1.0 Threshold = 50

Amount = 500 Radius = 10 Threshold = 0

 

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Published in the January 2004 edition of Micscape.

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