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decomposition

Separate Luminance

FX-Foundry/Color/Separate Luminance...

Creates two new layers: one containing the Luminance, and the other the Chroma information in the form of a Grain Merge. Optionally, it will color-enhance (maximize saturation in) the Chroma layer while still keeping it luminance-neutral.

This allows you to do noise-reduction and sharpening on the two layers separately.

Wavelet Decompose Script-Fu

This is a Script-Fu script for losslessly decomposing an image into different detail scales. This should be useful for photo post processing (for instance reapairing skin in portraits).

Wavelet decompose 0.1.2 Win 32 Binary

Windows 32 binary of the last version of this plugin written by "wavelet" Marcor ;)

(2009/12/26) New compilation of same sources. French localization added. Locale dir fixed this way:
LOCALEDIR = /PROGRA~1/GIMP-2.0/share/locale
Which means (any drive)/Program Files (or Programmi, and so on...)/GIMP-2.0/share/locale for your language files.

We already did the same for Liquid Rescale. Another compilation would be needed for a portable version of Gimp, else the plugin would work in English.

The archive contains two directories:

Wavelet decompose

This plugin losslessly decomposes a layer of an image into layers of wavelet scales. This means that you can edit the image on different detail scales (frequencies). The trivial recomposition of the image can be done by GIMP's layer modes so you can see the results of your modifications instantly. Among the applications are retouching, noise reduction, and enhancing global contrast.

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