Install gmic by entering the following commands in the terminal:
sudo apt update sudo apt install gmic
Description:
GREYC's Magic for Image Computing
G'MIC is an open and full-featured framework for image processing, providing several different user interfaces to convert/manipulate/filter/visualize generic image datasets, from 1d scalar signals to 3d+t sequences of multi-spectral volumetric images. . This package contains the stand-alone gmic binary.
Homepage: http://gmic.sourceforge.net/
Version: 1.7.9+zart-4build3
Section: universe/graphics