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

Latest stable version: 3.6.3        Current pre-release: 3.6.4 (2025/10/29)

Reference
Table of Contents  ▸  List of Commands  ▸  Filtering  ▸  opening◀  normalized_cross_correlation    |    opening_circ  ▶

opening

Arguments:

  • size>=0    or
  • size_x>=0,size_y>=0,_size_z>=0    or
  • [kernel],_boundary_conditions,_is_real={ 0:Binary-mode | 1:Real-mode }

Description:

Apply morphological opening to selected images.

boundary_conditions can be { 0:Dirichlet | 1:Neumann | 2:Periodic | 3:Mirror }.

Default values:

size_z=1, boundary_conditions=1 and is_real=0.

Example of use:

<a href="image.jpg" class="highslide" onclick="return hs.expand(this)">image.jpg</a> +opening 10

Command: <a href="image.jpg" class="highslide" onclick="return hs.expand(this)">image.jpg</a> +opening 10
Command: <a href="image.jpg" class="highslide" onclick="return hs.expand(this)">image.jpg</a> +opening 10
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.