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: 3.4.2        Current pre-release: 3.4.3 (2024/10/09)

Reference

Table of Contents  ▸  List of Commands  ▸  Colors  ▸  luminance◀  lch82rgb    |    lightness  ▶

luminance

No arguments

Description:

Compute luminance of selected sRGB images.

This command has a tutorial page.

Example of use:

image.jpg +luminance

Command: image.jpg +luminance
Command: image.jpg +luminance
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.