G'MIC explained

G'MIC
Author:GREYC Lab Groupe de recherche en informatique, image, automatique et instrumentation de Caen
Developer:GREYC Lab
Programming Language:C++
Operating System:Cross-platform
Genre:Image manipulation
License:CECILL-2.1 or CECILL-C

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,[1] and is also included in Krita.[2] G'MIC is dual-licensed under CECILL-2.1 or CECILL-C.

Features

G'MIC's graphical interface is notable for its noise removal filters, which came from an earlier project called GREYCstoration by the same authors.[3] 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.[4]

Interpreters

Command line

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

G'MIC comes with a Qt-based graphical interface, which may be integrated as a Gimp or Krita plugin.[5] 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.[6]

G'MIC is one of the most popular Gimp plugins.[7]

G'MIC Online

Most of the filters available for the graphical interface are also available online.[8]

ZArt

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

libgmic

Libgmic is a C++ library that can be linked to third-party applications. It sees integration in Flowblade and Veejay.[5]

Notes and References

  1. Web site: Williams. Mike. G'MIC: the world's most flexible image processor?. Betanews. 5 June 2014 .
  2. Web site: G'Mic Settings . Krita Manual . 24 March 2019 . Krita has had G’Mic integration for a long time, but this is its most stable incarnation..
  3. Web site: GREYCstoration: Open source algorithms for image denoising and interpolation . CImg . 24 March 2019.
  4. Web site: gmic_stdlib.gmic (Standard library) . gmic.eu . 24 March 2019.
  5. Web site: G'MIC - GREYC's Magic for Image Computing: A Full-Featured Open-Source Framework for Image Processing . G'MIC . 24 March 2019.
  6. Web site: Gimp-G'MIC Tutorial Filters . G'MIC . 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.
  7. Web site: Wallen. Jack. G'MIC: An incredibly powerful filtering system for GIMP. TechRepublic. 20 November 2014.
  8. https://gmicol.greyc.fr/ G'MIC Online

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "G'MIC".

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