Compose selected low and high frequency parts into new images.
Example of use:
$ gmic image.jpg split_freq 2% mirror[-1] x compose_freq
Command: image.jpg split_freq 2% mirror[-1] x compose_freq
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.