grain

Noise Generator 0.2.5 Windows 32 binary

Francois_C — Mon, 12 Jan 2009 12:14:08 +0100

A Windows 32 version of noise-generator-0.2.5, another great plugin by Marcor.
Without console window (compiled with LDFLAGS=-mwindows).

Film Grain

manutd101 — Sun, 26 Oct 2008 18:56:35 +0100

This script adds a realistic film grain effect to a black and white or toned image. To install, copy the attached file to GIMP/share/gimp/2.0/scripts. The larger the file you are running it on, the larger the value you should have for Strength. The value for Sharpness depends on your preferences, but I usually start at 1 and go from there. The lower the value, the sharper the noise.

Film Grain Script for GIMP 2.4

elsamuko — Wed, 13 Aug 2008 17:32:51 +0200

This is a script which simulates the typical film grain of high ISO pictures. I scripted exactly this description. Copy it into the scripts folder from gimp, you will find it then under Filters -> Generic -> Film Grain. Holdness and Value are two options directly taken from HSV-Noise, Strength changes the amount and area of grey, which will turn grainy.
Another examples can be found here and here:

It works together with colored and greyscaled pictures.

Lomo Script with Old Style Colors

elsamuko — Fri, 08 Aug 2008 02:44:46 +0200

This script simulates the Lomo effect. Copy it into the scripts folder from GIMP, you will find it then under Filters -> Light and Shadow -> Lomo.
The original from Francois Le Lay can be downloaded here. The idea of C41 colors comes from here. I added sharpness, repaired the double vignetting problem and added some nice colors, especially the beautiful green sky effect from Lomo pictures. Examples can be found here.
Attention, results may make happy.

Update: I refreshed the colors and added another vignette, but this is black and can be moved and resized. The result should be made grainy with my other script, then it looks more realistic.
Update2: The overlayed vignettes are moving now with the black vignette. That means all vignettes have the same center.
Update3: I added a slight lens distortion to simulate the wide angle lens of the Lomo LC-A. And if you own the grain script already, you can uncomment line 285 of this script to get a grainy black vignette automatically. Example here.
Update4: New color "Autumn" to simulate this. To include vignette graininess, uncomment line 314. Result here and very impressive here.
Update5: I mixed the angle distortion up, now it bends to the right direction. And the source code became prettier thanks to Dr. Scheme.
Update6: I added optional motion blur to simulate 'bad' lenses, see here.
Update7: Two new colors Movie and Vintage. Also more decent sharpness with layer mask. And I included the grain for the black vignette, so you don't have to do this. Examples here and here.
Update8: New color Xpro LAB from this book. Example here.
Update9: Possibility to inverse the A and B dimensions of the LAB color space. Example here.
Update10: Fixed the b/w problem. Added a new color option Light Blue from this role model. Example here.
I also attached the colors I use. Extract and put them into the curves folder of GIMP.
Update11: Lens distortion is adjustable now, the default is less extreme.
Update12: New color Redscale from here. Example here. The Light Blue color now has a less violet tinge.

If you like it, hug someone.

Add Film Grain

eg — Mon, 07 Jan 2008 13:44:27 +0100

Add adding realistic film grain to BW images

Description for PS: http://www.outbackphoto.com/workflow/wf_95/essay.html