00001 // Copyright (C) 2007, 2008, 2009, 2010 EPITA Research and Development 00002 // Laboratory (LRDE) 00003 // 00004 // This file is part of Olena. 00005 // 00006 // Olena is free software: you can redistribute it and/or modify it under 00007 // the terms of the GNU General Public License as published by the Free 00008 // Software Foundation, version 2 of the License. 00009 // 00010 // Olena is distributed in the hope that it will be useful, 00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 // General Public License for more details. 00014 // 00015 // You should have received a copy of the GNU General Public License 00016 // along with Olena. If not, see <http://www.gnu.org/licenses/>. 00017 // 00018 // As a special exception, you may use this file as part of a free 00019 // software project without restriction. Specifically, if other files 00020 // instantiate templates or use macros or inline functions from this 00021 // file, or you compile this file and link it with other files to produce 00022 // an executable, this file does not by itself cause the resulting 00023 // executable to be covered by the GNU General Public License. This 00024 // exception does not however invalidate any other reasons why the 00025 // executable file might be covered by the GNU General Public License. 00026 00027 #include <mln/core/image/image2d.hh> 00028 #include <mln/core/var.hh> 00029 #include <mln/value/int_u8.hh> 00030 #include <mln/data/stretch.hh> 00031 00032 #include <mln/io/pgm/load.hh> 00033 #include <mln/io/pgm/save.hh> 00034 00035 #include <mln/linear/sobel_2d.hh> 00036 #include <mln/debug/println.hh> 00037 00038 #include "tests/data.hh" 00039 00040 00041 int main() 00042 { 00043 using namespace mln; 00044 using value::int_u8; 00045 00046 border::thickness = 1; 00047 00048 image2d<int_u8> input; 00049 io::pgm::load(input, MLN_IMG_DIR "/tiny.pgm"); 00050 00051 image2d<float> output = linear::sobel_2d_l1_norm(input); 00052 io::pgm::save(data::stretch(int_u8(), output), "sobel_2d-out.pgm"); 00053 }