Gimp Average Layers

A GIMP plugin that merges all layers in an image by taking the average value of each pixel. Useful for noise reduction

Installation

Replace the version of GIMP in the paths below as needed.

Windows

1. Move this plugin into the %appdata%/GIMP/2.10/plug-ins/ directory
2. Restart GIMP

Linux

1. Move this plugin into the ~/.gimp-2.10/plug-ins/ directory
2. Make the file executable with chmod +x ~/.gimp-2.10/plug-ins/average-layers.py
3. Restart GIMP

Mac OS X

1. Move this plugin into the ~/Library/Application\ Support/GIMP/2.10/plug-ins/ directory
2. Make the file executable with chmod +x ~/Library/Application\ Support/GIMP/2.10/plug-ins/average-layers.py
3. Restart GIMP

Usage

1. Select File ➙ Open as Layers... to open the images you wish to blend.
2. Select Image ➙ Average Layers

License

This project is released into the public domain. See the LICENSE for details. Attribution is appreciated but not required :)

The original version of this plugin was created by Oona Räisänen (2012-2015, public domain). I have added some small features to make it more usable in production like an undo group and progress bar.