ES-DE/external/CImg/examples/use_chlpca.cpp

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/*
#
# File : use_chlpca.cpp
# ( C++ source file )
#
# Description : Example of use for the CImg plugin 'plugins/chlpca.h'.
# This file is a part of the CImg Library project.
# ( http://cimg.eu )
#
# Copyright : Jerome Boulanger
# ( http://www.irisa.fr/vista/Equipe/People/Jerome.Boulanger.html )
#
#
# License : CeCILL v2.0
# ( http://www.cecill.info/licences/Licence_CeCILL_V2-en.html )
#
# This software is governed by the CeCILL license under French law and
# abiding by the rules of distribution of free software. You can use,
# modify and/ or redistribute the software under the terms of the CeCILL
# license as circulated by CEA, CNRS and INRIA at the following URL
# "http://www.cecill.info".
#
# As a counterpart to the access to the source code and rights to copy,
# modify and redistribute granted by the license, users are provided only
# with a limited warranty and the software's author, the holder of the
# economic rights, and the successive licensors have only limited
# liability.
#
# In this respect, the user's attention is drawn to the risks associated
# with loading, using, modifying and/or developing or reproducing the
# software by the user in light of its specific status of free software,
# that may mean that it is complicated to manipulate, and that also
# therefore means that it is reserved for developers and experienced
# professionals having in-depth computer knowledge. Users are therefore
# encouraged to load and test the software's suitability as regards their
# requirements in conditions enabling the security of their systems and/or
# data to be ensured and, more generally, to use and operate it in the
# same conditions as regards security.
#
# The fact that you are presently reading this means that you have had
# knowledge of the CeCILL license and that you accept its terms.
#
*/
#define cimg_plugin "plugins/chlpca.h"
#include "CImg.h"
using namespace cimg_library;
#ifndef cimg_imagepath
#define cimg_imagepath "img/"
#endif
// Main procedure
//----------------
int main(int argc,char **argv) {
cimg_usage("Patch based denoising ");
const char *file_i = cimg_option("-i",cimg_imagepath "milla.bmp","Input image");
const int p = cimg_option("-p",3,"patch radius");
const int w = cimg_option("-w",10,"window radius");
const float lambda_min = cimg_option("-l",(float)2.f,"component selection threshold");
const int nstep = cimg_option("-nstep",5,"sub-sampling");
const float nsim = cimg_option("-nsim",(float)5.f,"dictionnary size a multiple of the patch size");
const float noise_std = cimg_option("-sigma",(float)-1.f,"noise std (-1:estimated)");
const bool use_svd = cimg_option("-svd",(float)-1.f,"use svd for computing PCA");
const char *file_o = cimg_option("-o",(char*)NULL,"Output file");
CImg<> img(file_i);
img = img.get_chlpca(p, w, nstep, nsim, lambda_min, noise_std, use_svd);
img.display();
if (file_o) img.save(file_o);
return 0;
}