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: 3.5.5        Current pre-release: 3.6.0 (2025/07/08)

Reference

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

vanvliet

Built-in command

Arguments:

Description:

Apply Vanvliet recursive filter on selected images, along specified axis and with

specified standard deviation, order and boundary conditions.
boundary_conditions can be { 0:Dirichlet | 1:Neumann | 2:Periodic | 3:Mirror }.

Default values:

boundary_conditions=1.

Examples of use:

• Example #1

image.jpg +vanvliet 3,1,x

Command: image.jpg +vanvliet 3,1,x
Command: image.jpg +vanvliet 3,1,x

• Example #2

image.jpg +vanvliet 30,0,x vanvliet[-2] 30,0,y add

Command: image.jpg +vanvliet 30,0,x vanvliet[-2] 30,0,y add
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.