Milena (Olena)
User documentation 2.0a Id
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00001 // Copyright (C) 2007, 2008, 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 #ifndef MLN_MORPHO_GRADIENT_HH 00027 # define MLN_MORPHO_GRADIENT_HH 00028 00039 00040 # include <mln/morpho/includes.hh> 00041 00042 00043 namespace mln 00044 { 00045 00046 namespace morpho 00047 { 00048 00052 template <typename I, typename W> 00053 mln_concrete(I) gradient(const Image<I>& input, const Window<W>& win); 00054 00055 00059 template <typename I, typename W> 00060 mln_concrete(I) gradient_internal(const Image<I>& input, const Window<W>& win); 00061 00062 00066 template <typename I, typename W> 00067 mln_concrete(I) gradient_external(const Image<I>& input, const Window<W>& win); 00068 00069 00070 00071 # ifndef MLN_INCLUDE_ONLY 00072 00073 00074 template <typename I, typename W> 00075 inline 00076 mln_concrete(I) gradient(const Image<I>& input, const Window<W>& win) 00077 { 00078 trace::entering("morpho::gradient"); 00079 mln_precondition(exact(input).is_valid()); 00080 mln_precondition(! exact(win).is_empty()); 00081 00082 mln_concrete(I) output = morpho::minus(dilation(input, win), 00083 erosion(input, win)); 00084 00085 mln_postcondition(test::positive(output)); 00086 trace::exiting("morpho::gradient"); 00087 return output; 00088 } 00089 00090 00091 template <typename I, typename W> 00092 inline 00093 mln_concrete(I) gradient_internal(const Image<I>& input, const Window<W>& win) 00094 { 00095 trace::entering("morpho::gradient_internal"); 00096 mln_precondition(exact(input).is_valid()); 00097 mln_precondition(! exact(win).is_empty()); 00098 00099 mln_concrete(I) output = morpho::minus(input, 00100 erosion(input, win)); 00101 00102 mln_postcondition(test::positive(output)); 00103 trace::exiting("morpho::gradient_internal"); 00104 return output; 00105 } 00106 00107 00108 template <typename I, typename W> 00109 inline 00110 mln_concrete(I) gradient_external(const Image<I>& input, const Window<W>& win) 00111 { 00112 trace::entering("morpho::gradient_external"); 00113 mln_precondition(exact(input).is_valid()); 00114 mln_precondition(! exact(win).is_empty()); 00115 00116 mln_concrete(I) output = morpho::minus(dilation(input, win), 00117 input); 00118 00119 mln_postcondition(test::positive(output)); 00120 trace::exiting("morpho::gradient_external"); 00121 return output; 00122 } 00123 00124 # endif // ! MLN_INCLUDE_ONLY 00125 00126 } // end of namespace mln::morpho 00127 00128 } // end of namespace mln 00129 00130 00131 #endif // ! MLN_MORPHO_GRADIENT_HH