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

Home
News
Download
Resources
- Technical Reference
- Scripting Tutorial
- Video Tutorials
- Wiki Pages
- Image Gallery
- Color Presets
- Using libgmic
- G'MIC Online
Community
- Discussion Forum (Pixls.us)
- GimpChat
- IRC
Report Issue

Latest stable version: 3.5.5 Current pre-release: 3.5.6 (2025/06/13)

Reference

Table of Contents ▸ List of Commands ▸ Mathematical Operators ▸ oneminus

◀ neq | or ▶

oneminus

No arguments

Description:

For each selected image, compute one minus image.

Example of use:

image.jpg normalize 0,1 +oneminus

Command: image.jpg normalize 0,1 +oneminus

Command: image.jpg normalize 0,1 +oneminus

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.