G'MIC - GREYC's Magic for Image Computing: A Full-Featured Open-Source Framework for Image Processing
Banner Institutions GREYC CNRS ENSICAEN UNICAEN

A Full-Featured Open-Source Framework for Image Processing

Latest stable version: 3.5.5        Current pre-release: 3.6.0 (2025/08/04)

Reference
Table of Contents  ▸  List of Commands  ▸  Colors  ▸  match_histogram◀  map_clut    |    match_icp  ▶

match_histogram

Arguments:

  • [reference_image],_nb_levels>0,_color_channels

Description:

Transfer histogram of the specified reference image to selected images.

Argument color channels is the same as with command apply_channels.

Default values:

nb_levels=256 and color_channels=all.

Example of use:

image.jpg 100,100,1,3,"u([256,200,100])" +match_histogram[0] [1]

Command: image.jpg 100,100,1,3,"u([256,200,100])" +match_histogram[0] [1]
Command: image.jpg 100,100,1,3,"u([256,200,100])" +match_histogram[0] [1]
Command: image.jpg 100,100,1,3,"u([256,200,100])" +match_histogram[0] [1]
G'MIC - GREYC's Magic for Image Computing: A Full-Featured Open-Source Framework for Image Processing

G'MIC is an open-source software distributed under the CeCILL free software licenses (LGPL-like and/or
GPL-compatible). Copyrights (C) Since July 2008, David Tschumperlé - GREYC UMR CNRS 6072, Image Team.