G'MIC - GREYC's Magic for Image Computing: A Full-Featured Open-Source Framework for Image Processing
GREYC CNRS ENSICAEN UNICAEN

A Full-Featured Open-Source Framework for Image Processing

Latest stable version: 3.5.3        Current pre-release: 3.5.4 (2025/04/08)

Reference

Table of Contents  ▸  List of Commands  ▸  Filtering  ▸  unsharp_octave◀  unsharp    |    vanvliet  ▶

unsharp_octave

Arguments:

Description:

Apply octave sharpening on selected images.

Default values:

nb_scales=4, radius=1, amount=2 and threshold=0.

Example of use:

image.jpg blur 3 +unsharp_octave 4,5,15 cut 0,255

Command: image.jpg blur 3 +unsharp_octave 4,5,15 cut 0,255
Command: image.jpg blur 3 +unsharp_octave 4,5,15 cut 0,255
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.

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