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: 3.1.4

Reference

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

channels

Arguments:

Description:

Keep only specified channels of selected images.

Dirichlet boundary is used when specified channels are out of range.

Default values:

c1=c0.

Examples of use:

• Example #1

$ gmic image.jpg channels 0,1

Command: image.jpg channels 0,1

• Example #2

$ gmic 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.