Milena (Olena)
User documentation 2.0a Id
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00001 // Copyright (C) 2009 EPITA Research and Development Laboratory (LRDE) 00002 // 00003 // This file is part of Olena. 00004 // 00005 // Olena is free software: you can redistribute it and/or modify it under 00006 // the terms of the GNU General Public License as published by the Free 00007 // Software Foundation, version 2 of the License. 00008 // 00009 // Olena is distributed in the hope that it will be useful, 00010 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00012 // General Public License for more details. 00013 // 00014 // You should have received a copy of the GNU General Public License 00015 // along with Olena. If not, see <http://www.gnu.org/licenses/>. 00016 // 00017 // As a special exception, you may use this file as part of a free 00018 // software project without restriction. Specifically, if other files 00019 // instantiate templates or use macros or inline functions from this 00020 // file, or you compile this file and link it with other files to produce 00021 // an executable, this file does not by itself cause the resulting 00022 // executable to be covered by the GNU General Public License. This 00023 // exception does not however invalidate any other reasons why the 00024 // executable file might be covered by the GNU General Public License. 00025 00026 #include <mln/core/image/image2d.hh> 00027 #include <mln/core/alias/neighb2d.hh> 00028 #include <mln/core/var.hh> 00029 #include <mln/pw/all.hh> 00030 00031 #include <mln/value/int_u8.hh> 00032 #include <mln/io/pgm/load.hh> 00033 #include <mln/io/pgm/save.hh> 00034 00035 #include <mln/morpho/tree/component_tree.hh> 00036 #include <mln/morpho/tree/compute_attribute_image.hh> 00037 #include <mln/morpho/attribute/card.hh> 00038 00039 #include <mln/morpho/tree/filter/all.hh> 00040 #include <mln/morpho/tree/propagate_representative.hh> 00041 00042 #include <mln/morpho/closing/area.hh> 00043 00044 #include "tests/data.hh" 00045 00046 #include <iostream> 00047 00048 int main() 00049 { 00050 using namespace mln; 00051 using value::int_u8; 00052 00053 00054 typedef image2d<int_u8> I; 00055 I input; 00056 io::pgm::load(input, MLN_IMG_DIR "/tiny.pgm"); 00057 00058 typedef p_array< mln_site_(I) > S; 00059 typedef morpho::tree::data<I,S> tree_t; 00060 00061 tree_t tree = morpho::tree::min_tree(input, c4()); 00062 00063 // Test with increasing attribute -> area closing. 00064 { 00065 typedef morpho::attribute::card<I> attribute_t; 00066 typedef mln_ch_value_(I, unsigned) A; 00067 00068 A a = morpho::tree::compute_attribute_image(attribute_t (), tree); 00069 00070 unsigned lambda = 5; 00071 mln_VAR(predicate, pw::value(a) >= pw::cst(lambda)); 00072 I ref = morpho::closing::area(input, c4(), lambda); 00073 00074 { 00075 I out = duplicate(input); 00076 morpho::tree::filter::min(tree, out, predicate); 00077 morpho::tree::propagate_representative(tree, out); 00078 mln_assertion(out == ref); 00079 } 00080 00081 { 00082 I out = duplicate(input); 00083 morpho::tree::filter::max(tree, out, predicate); 00084 morpho::tree::propagate_representative(tree, out); 00085 mln_assertion(out == ref); 00086 } 00087 00088 { 00089 I out = duplicate(input); 00090 morpho::tree::filter::direct(tree, out, predicate); 00091 morpho::tree::propagate_representative(tree, out); 00092 mln_assertion(out == ref); 00093 } 00094 00095 // Not for subtractive strategy (removal procedure differs). 00096 } 00097 }