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 (2025/07/18)

Reference

Table of Contents ▸ List of Commands ▸ Filtering ▸ red_eye

◀ rbf | remove_hotpixels ▶

red_eye

Arguments:

0<=_threshold<=100,_smoothness>=0,0<=attenuation<=1

Description:

Attenuate red-eye effect in selected images.

Default values:

threshold=75, smoothness=3.5 and attenuation=0.1.

Example of use:

image.jpg +red_eye ,

Command: image.jpg +red_eye ,

Command: image.jpg +red_eye ,

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.