You are here

enhance

Cheap HDR

Provides a kind of poor-man's HDR (high dynamic range). It doesn't actually increase the dynamic range; in fact, it decreases it, overall, but in a way that maintains local contrast. But this gives you some headroom to increase the contrast of the image overall, thus enhancing the local contrast.

Fix Overblown Areas

This script helps fix overblown areas of an image. It's not as good as some other methods that must be done manually, but it's not bad. It will NOT fix clipped colors (maximum overblown areas); it only helps increase the contrast in bright highlights.

The script is located in "<Image> / Script-Fu / Enhance / Fix Overblown"

Feedback welcome!

Clean CCD Noise

This script helps fix noise found in digital camera pictures.

Important:

G'MIC must be installed! When this script calls up the G'MIC plug-in, select Bilateral Filter with default settings.

There seems to be some confusion as to what all this script does... So here's a short description of the procedure:

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.

Maximize Local Contrast

FX-Foundry/Photo/Enhancement/Maximize Local Contrast...
Like Stretch Contrast, but instead of using the minimum and maximum pixel values from the entire image, uses the minimum and maximum in the vicinity of a pixel to compute its new value. Takes a while to run, but really brings out textures. Result is a Grain Merge layer that adjusts values of the original image.

This filter operates on the visible image, not on a layer or selection.

G'MIC : GREYC's Magic for Image Computing

The G'MIC plug-in for GIMP proposes a set of various filters to apply on your images, including artistic effects, image denoising and enhancement algorithms, 3D renderers, etc.. It is a quite large plug-in, integrating a lot of different effects.

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 Sharpen-0.1.2 Windows 32 binary

A new Windows compilation of the last version of this fine plugin written by Marcor.
No console window. Compiled with LDFLAGS=-mwindos as usual.

(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.

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.

Red Filter Diving

This script acts as a red fitler on diving photos.
To launch it, goto the menu /Script-Fu/Enhance/Diving red filter

Basically, create a new layer containing the corrected picture
You can adjust the red level (sometimes, green might works better !)
and set if the white balance has to be performed...
Enjoy !

Example :
(Copyright: Thomas Amory - right: before/Left: after)

(Copyright: Thomas Amory - right: after/Left: before)

Pages

Subscribe to RSS - enhance