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

A Full-Featured Open-Source Framework for Image Processing

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Latest stable version: 3.5.5 Current pre-release: 3.6.0 (2025/07/08)

Reference

Table of Contents ▸ List of Commands ▸ Colors ▸ rgb2lch

◀ rgb2lab8 | rgb2lch8 ▶

rgb2lch

Arguments:

illuminant={ 0:D50 | 1:D65 | 2:E } or
(no arg)

Description:

Convert color representation of selected images from RGB to Lch.

Default values:

illuminant=2.

Example of use:

image.jpg rgb2lch split c

Command: image.jpg rgb2lch split c

Command: image.jpg rgb2lch split c

Command: image.jpg rgb2lch split c

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.