File:USM-How.gif

Summary

Description
English: How Unsharp mask (USM) works.
1.Frame: Original image
2.Frame: Original image unsharped (Blurred)
3.Frame: Second frame inverted
4.Frame: Inverted (3) frame's difference from original (1) frame.
5.Frame: Difference (4) frame, overlayed on original (1) frame. Masked
 
This GIF graphic was created with GIMP.
Category:PNG created with GIMP#USM-How.gif
Date 2008
Source Own work
Author Nevit Dilmen
Permission
(Reusing this file)
Public domain I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
In some countries this may not be legally possible; if so:
I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.
Category:Self-published work#USM-How.gifCategory:PD-self#USM-How.gif
Other versions
Category:Animations of spirals Category:Abstract animations Category:Animated GIF files Category:Unsharp mask (USM) Category:Gray Category:Nevit Dilmen Animations Category:Photographs with digital filters
Category:Abstract animations Category:Animated GIF files Category:Animations of spirals Category:Gray Category:Nevit Dilmen Animations Category:PD-self Category:PNG created with GIMP Category:Photographs with digital filters Category:Self-published work Category:Unsharp mask (USM)