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sharpen

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:

Manny Librodo Script

This implements a sharpening technique as described at
http://digitalphotographer.com.ph/forum/showthread.php?t=1085
This is Manny Librodo's Sharpening moves. You can give it a try and you will be surpised with the quality. One caveat, there really is no one set formula for sharpening so you may want to experiment with different amounts for different images.

Wavelet sharpen

The wavelet sharpen plugin enhances apparent sharpness of an image by increasing contrast in high frequency space. The amount of unsharpness of the original image can be taken into account by adjusting the sharpening radius. As an option you can choose to sharpen the luminance (YCbCr) channel of the image only.

Scale in steps

About

"Scale in steps" resizes an image to the given dimensions in several steps to get a way sharper result compared to resizing in one step. The step size is given in percent and should range between seven and ten percent.

Samples

None of the sample images are sharpened. The original picture was 3000×2000.

baerm_s5.jpg
Stepsize: 5%
baerm_s.jpg
Stepsize: 10%
baerm_f.jpg
Traditional scaling

 

National Geographic Script

This script simulates a high quality (portrait) photo like these from the National Geographic.
Copy it into the scripts folder from GIMP, you will find it then under Filters -> Generic -> National Geographic.
Thanks to Martin Egger for the shadow revovery and the sharpen script, which I included in the script.
Examples:

Highpass Sharpen

Implement a highpass filter sharpening

Infos about highpass sharpening:
http://www.gimp.org/tutorials/Sketch_Effect/
http://www.retouchpro.com/forums/showthread.php?s=&threadid=3844&highlig...

Updated to work with Gimp 2.8.

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