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enhance

Saturation Equalizer

Saturation equalizer is saturation plugin that can adjust saturation of an image via 6 sliders – effectively the saturation curve. You can alo modify brightness of image with two spinboxes – they work like „levels“ tool.
Additionally you can autoalign RGB channels to eliminate color cast and there are few more features. I believe they are self-explanatory, once you work with plugin.
It internally works in floats, that means no information is lost during processing.
Plugin is multithreaded.

Cross-Process (Python version with options)

OK - so I saw this plugin today:
Cross Processing (Xpro) http://registry.gimp.org/node/25007
Which is based on this excellent tutorial by jEsuSdA: http://www.jesusda.com/blog/index.php?id=375

After running through the tutorial, I decided to write another version of the plug-in with a few options.

This plug-in requires Python. If you have the 'Filters->Python-Fu->Console' menu item you are all set. If not, install Python support for GIMP.
The plugin can be found under Filters>Artistic>Cross-Process. Don't forget to make the plugin executable.

Options:

Sharp Blur

From the script site "http://www.complang.tuwien.ac.at/schani/sharpblur/":

The purpose of this script is to blur an image while retaining its edges. While this may seem like a contradiction, it really is not: sharp edges get preserved while soft edges are discarded.

The main area of application for this script has been the retouching of bad scans, but it has many other areas of use.

Originally created by Mark Probst, Ported from 2.0 to 2.6 by Lennart Rolland.

Simple Contrast Mask

script-fu-simple-contrast-mask adds a contrast mask layer above the current active layer. A contrast mask brightens the dark parts of an image and darkens the bright parts. This serves to enhance details.

The script is called "simple" because it does not ask any questions. It assumes defaults for all parameters. Specifically, the radius for the Gaussian blur is set to one percent of the shortest dimension of the image (width or height). The user can adjust the blending level after creation by adjusting the opacity in the layers dialog.

Manual Lens filter (batch script)

This plug-in changes color balance to imitate images taken with Manual / Classic lenses but without any effect of degradation similar to images made with toy lenses.

See samples:
Original:

After Manual Lens filter:

Version 0.1.2:
Introduces Linux support.

Copy the .scm file to:

Windows Vista/7 C:\Users\[USER]\.gimp-2.6\scripts

Gimp Plugins installers for Win32

Several Windows users think that installing Gimp plugins under Windows is hard.

As I was playing around with Inno Setup, I randomly chose these plugins, only because I had just a new Windows 32 compilation of them, and I release those first plugin installers without any warranty.

They should work on any Windows version, but I'm waiting for feedbacks.

These are automated Windows installers. Please, do not copy the setup files into your Gimp plug-ins directory!

Lab curves for GIMP

Basically it is not a plugin. It is a small standalone program in C++ and a wrapper script for seemless integration into GIMP.

It allows to alter an image with 16 bit L*a*b* curves with preview. You call it like a script from gimp. The image is send to that program, you play with the L*a*b* curves and when you save the altered image is send back and everything is cleaned up...

More information here: http://www.mm-log.com/lab-curves-gimp

greets mike

Descreen

Descreen is a script that does descreening using the FFT Fourier plugin ( http://registry.gimp.org/node/19596 )

This script does descreening without blurring the image.

It can descreen the following picture :

And gives the following picture :

HDR (High Dynamic Range) with tone mapping

This script helps you making a HDR image by three different exposures.
This script blends three different exposures of the same scene, it combines them to get the best parts of the images.

This procedure works best if you:

Detail enhancer.

A simple detail enhancing/sharpening filter based on my simple bilateral code. It is essentialy a low precision version of the detail enhancement stage of some local tone mapping algorithms.

In non technical terms this is basically the anti surface blur. It takes a surface blur as a base layer, compares it with the original image and magnifies the differences. It brings out textures and makes skin look pretty horrible.

It will appear under:

Filters->Enhance->Enhance Details...

Windows version provided by Francois_C. Updated.

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