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

A Full-Featured Open-Source Framework for Image Processing

Latest stable version: 3.4.3        Current pre-release: 3.5.0 (2024/12/18)

Reference

Table of Contents  ▸  List of Commands  ▸  Geometry Manipulation  ▸  channels◀  autocrop_seq    |    columns  ▶

channels

Arguments:

Description:

Keep only specified channels of selected images.

boundary_conditions can be { 0:dirichlet | 1:neumann | 2:periodic | 3:mirror }.

Default values:

c1=c0 and boundary_conditions=0.

Examples of use:

• Example #1

image.jpg channels 1

Command: image.jpg channels 1

• Example #2

image.jpg luminance channels 0,2

Command: image.jpg luminance channels 0,2
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.