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G'MIC

Summary

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G'MIC (GREYC's Magic for Image Computing) is a free and open-source framework for image processing. It defines a script language that allows the creation of complex macros. Originally usable only through a command line interface, it is currently mostly popular as a GIMP plugin,[2] and is also included in Krita.[3] G'MIC is dual-licensed under CECILL-2.1 or CECILL-C.

G'MIC
Original author(s)GREYC Lab Groupe de recherche en informatique, image, automatique et instrumentation de Caen
Developer(s)GREYC Lab
Initial releaseJuly 18, 2016; 7 years ago (2016-07-18)
Stable release
3.3.5[1] Edit this on Wikidata / 12 March 2024; 35 days ago (12 March 2024)
Repository
  • github.com/GreycLab/gmic Edit this at Wikidata
Written inC++
Operating systemCross-platform
TypeImage manipulation
LicenseCECILL-2.1 or CECILL-C
Websitegmic.eu

Features edit

G'MIC's graphical interface is notable for its noise removal filters, which came from an earlier project called GREYCstoration by the same authors.[4] G'MIC offers many built-in commands for image processing, including basic mathematical manipulations, look up tables, and filtering operations. More complex macros and pipelines built out of those commands are defined in its library files.[5]

Interpreters edit

Command line edit

Combined screenshots into a video file. Smooth transitions between images are made with the command: gmic -w -fade_files

G'MIC is primarily a script language callable from a shell. For example, to display an image: 

gmic image.jpg

This command displays the image contained in the file image.jpg and allows zooming in to examine values.

Several filters can be applied in succession. For example, to crop and resize an image: 

gmic image.jpg -crop 0,0,250,250 -resize 50%,50%

Graphical interface edit

G'MIC comes with a Qt-based graphical interface, which may be integrated as a Gimp or Krita plugin.[6] It contains several hundred filters written in the G'MIC language, dynamically updated through an internet feed. The interface provides a preview and setting sliders for each filter.[7]

G'MIC is one of the most popular Gimp plugins.[8]

G'MIC Online edit

Most of the filters available for the graphical interface are also available online.[9]

ZArt edit

ZArt is a graphical interface for real-time manipulation of webcam images.

libgmic edit

Libgmic is a C++ library that can be linked to third-party applications. It sees integration in Flowblade and Veejay.[6]

References edit

 
Wikimedia Commons has media related to G'MIC.
  1. ^ "Release 3.3.5". 12 March 2024. Retrieved 12 March 2024.
  2. ^ Williams, Mike (5 June 2014). "G'MIC: the world's most flexible image processor?". Betanews.
  3. ^ "G'Mic Settings". Krita Manual. Retrieved 24 March 2019. Krita has had G'Mic integration for a long time, but this is its most stable incarnation.
  4. ^ "GREYCstoration: Open source algorithms for image denoising and interpolation". CImg. Retrieved 24 March 2019.
  5. ^ "gmic_stdlib.gmic (Standard library)". gmic.eu. Retrieved 24 March 2019.
  6. ^ a b "G'MIC - GREYC's Magic for Image Computing: A Full-Featured Open-Source Framework for Image Processing". G'MIC. Retrieved 24 March 2019.
  7. ^ "Gimp-G'MIC Tutorial Filters". G'MIC. Retrieved 24 March 2019. The installation of Gimp-G'MIC filters is semi-automatic. The primary filters are distributed from the gmic.eu server and all filters from that source can be downloaded and installed by using the refresh button (circular arrow) at the bottom of the Gimp-G'MIC plugin filter main dialog box
  8. ^ Wallen, Jack. "G'MIC: An incredibly powerful filtering system for GIMP". TechRepublic. Retrieved 20 November 2014.
  9. ^ G'MIC Online