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The Kuwahara filter is a noise-reduction filter that preserves edges.

 

It can also be used to create various artistic effects.

This plugin is based off the Public Domain Kuwahara filter for ImageJ.

 

Download:

Kuwahara.zip

 

Place Kuwahara.dll in your Effects folder.

 

btn_donate_SM.gif

 

Effects->Noise->Kuwahara

 

kuwahara-UI.png

 

The Radius option controls the size of the filter sample area.

The Use RGB channels option controls whether the plugin uses the RGB channels or the "brightness" (HSV Value) when calculating the output color.

 

kuwaharaoriginal.pngkuwahara7radius.png

 

The image on the left is the original image, source: https://imagej.nih.gov/ij/plugins/kuwahara.html.

The image on the right is after running the plugin with a radius of 7 and Use RGB Channels checked.

 

Source Code:

 

https://github.com/0xC0000054/pdn-kuwahara

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Plugin Pack | PSFilterPdn | Content Aware Fill | G'MICPaint Shop Pro Filetype | RAW Filetype | WebP Filetype

The small increase in performance you get coding in C++ over C# is hardly enough to offset the headache of coding in the C++ language. ~BoltBait

 

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