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Ubuntu Linux and Resynthesizer

Installing Resynthesizer in Ubuntu is a piece of cake: the instruction required is:

sudo apt-get install gimp-resynthesizer

Resynthesizer is found under the Filter menu - Filters ► Map ► Resynthesizer.

There is a menu which allows a range of options. And a tab which allows for tweaks.

Gimp Resynthesizer Plugin Main Menu

The tweaks menu proved useful - during testing, moving the Neighbourhood Size and Search Thoroughness options to the far right - (highest levels) produced best results. On the other hand lowering the Sensitivity to Outliers option to the lowest value seemed the best choice.

Gimp Resynthesize Plugin Tweak Menu

You can see the basic achievement of this plugin in the video above. It produces extremely good results with small selections - even if there is a slight gradient from one end to the other in the selection.

Where there is a quite deep gradient the plugin produces reasonable results, but the larger the selection that needs to be deleted, the more likely you are to get what I would term a 'patchwork quilt' effect, rather than a smooth flowing texture. This is visible in the video where some of the larger boats are deleted.

The video shows a very tough test for Resynthesizer - the boats interact with their background by casting shadows and reflections and by disturbing the water's surface. Resynthesizer copes with this test surprisingly well, but the results are only really completely acceptable with relatively small selections.

Another test involved removing the spots off a cow - here Resynthesizer was a disappointment - with very small spots it produced excellent results, with larger areas it threw in textures from bizarre sources - replacing cow with grass. Sometimes this was barely noticeable and at other times it was truly surreal.

Gimp Resynthesizer Test - Original Image

Gimp Resynthesizer on Ubuntu Linux

No amount of changing the options and tweaks produced a reliable outcome.

A second option that Resynthesizer provides is found under Filters ► Enhance ► Smart Remove Selection. This option suffers from the same unreliability as the standard Resynthesizer option.

Windows and Resynthesizer

Installing Resynthesizer on Windows XP requires you to unzip the windows Resynthesizer package in to the plugins and scripts folders of your gimp installation. As with Linux, the main Resynthesizer options are found under Filters ► Map ► Resynthesizer

This version of Resynthesizer is broken and nearly always produces bizarre results. The texture which fills the selection is typically taken from the top of the image.

I was unable to find a fix for this problem but a very useful patch which replaces the Smart Remove Selection in Ubuntu did produce very good results in both Windows XP and Ubuntu

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