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

Reference

Table of Contents ▸ List of Commands ▸ Filtering ▸ solve_poisson

◀ split_freq | split_alpha ▶

solve_poisson

Arguments:

"laplacian_command",_nb_iterations>=0,_time_step>0,_nb_scales>=0

Description:

Solve Poisson equation so that applying laplacian[n] is close to the result of laplacian_command[n].

Solving is performed using a multi-scale gradient descent algorithm.
If nb_scales=0, the number of scales is automatically determined.

Default values:

nb_iterations=60, dt=5 and nb_scales=0.

Example of use:

<a href="image.jpg" class="highslide" onclick="return hs.expand(this)">image.jpg</a> command "foo : gradient x" +solve_poisson foo +foo[0] +laplacian[1]

Command: <a href="image.jpg" class="highslide" onclick="return hs.expand(this)">image.jpg</a> command "foo : gradient x" +solve_poisson foo +foo[0] +laplacian[1]

Command: <a href="image.jpg" class="highslide" onclick="return hs.expand(this)">image.jpg</a> command "foo : gradient x" +solve_poisson foo +foo[0] +laplacian[1]

Command: <a href="image.jpg" class="highslide" onclick="return hs.expand(this)">image.jpg</a> command "foo : gradient x" +solve_poisson foo +foo[0] +laplacian[1]

Command: <a href="image.jpg" class="highslide" onclick="return hs.expand(this)">image.jpg</a> command "foo : gradient x" +solve_poisson foo +foo[0] +laplacian[1]

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.