PLearn 0.1
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00001 // -*- C++ -*- 00002 00003 // Isomap.h 00004 // 00005 // Copyright (C) 2004 Olivier Delalleau 00006 // 00007 // Redistribution and use in source and binary forms, with or without 00008 // modification, are permitted provided that the following conditions are met: 00009 // 00010 // 1. Redistributions of source code must retain the above copyright 00011 // notice, this list of conditions and the following disclaimer. 00012 // 00013 // 2. Redistributions in binary form must reproduce the above copyright 00014 // notice, this list of conditions and the following disclaimer in the 00015 // documentation and/or other materials provided with the distribution. 00016 // 00017 // 3. The name of the authors may not be used to endorse or promote 00018 // products derived from this software without specific prior written 00019 // permission. 00020 // 00021 // THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 00022 // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 00023 // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 00024 // NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00025 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 00026 // TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 00027 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 00028 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00029 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00030 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00031 // 00032 // This file is part of the PLearn library. For more information on the PLearn 00033 // library, go to the PLearn Web site at www.plearn.org 00034 00035 /* ******************************************************* 00036 * $Id: Isomap.h 8130 2007-10-02 20:59:36Z louradou $ 00037 ******************************************************* */ 00038 00039 // Authors: Olivier Delalleau 00040 00044 #ifndef Isomap_INC 00045 #define Isomap_INC 00046 00047 #include <plearn/ker/Kernel.h> 00048 #include "KernelPCA.h" 00049 00050 namespace PLearn { 00051 using namespace std; 00052 00053 class Isomap: public KernelPCA 00054 { 00055 00056 private: 00057 00058 typedef KernelPCA inherited; 00059 00060 protected: 00061 00062 // ********************* 00063 // * protected options * 00064 // ********************* 00065 00066 // ### declare protected option fields (such as learnt parameters) here 00067 // ... 00068 00069 public: 00070 00071 // ************************ 00072 // * public build options * 00073 // ************************ 00074 00075 Ker distance_kernel; 00076 string geodesic_file; 00077 string geodesic_method; 00078 int knn; 00079 00080 // **************** 00081 // * Constructors * 00082 // **************** 00083 00085 // (Make sure the implementation in the .cc 00086 // initializes all fields to reasonable default values) 00087 Isomap(); 00088 00089 00090 // **************************** 00091 // * KernelProjection methods * 00092 // **************************** 00093 00094 private: 00095 00097 // (Please implement in .cc) 00098 void build_(); 00099 00100 protected: 00101 00103 // (Please implement in .cc) 00104 static void declareOptions(OptionList& ol); 00105 00106 public: 00107 00108 // ************************ 00109 // **** Object methods **** 00110 // ************************ 00111 00113 virtual void build(); 00114 00116 virtual void makeDeepCopyFromShallowCopy(CopiesMap& copies); 00117 00118 // Declares other standard object methods. 00119 // If your class is not instantiatable (it has pure virtual methods) 00120 // you should replace this by PLEARN_DECLARE_ABSTRACT_OBJECT_METHODS. 00121 PLEARN_DECLARE_OBJECT(Isomap); 00122 00123 00124 // ********************************** 00125 // **** KernelProjection methods **** 00126 // ********************************** 00127 00129 // (Default implementation just calls inherited::forget()). 00130 virtual void forget(); 00131 00132 }; 00133 00134 // Declares a few other classes and functions related to this class. 00135 DECLARE_OBJECT_PTR(Isomap); 00136 00137 } // end of namespace PLearn 00138 00139 #endif 00140 00141 00142 /* 00143 Local Variables: 00144 mode:c++ 00145 c-basic-offset:4 00146 c-file-style:"stroustrup" 00147 c-file-offsets:((innamespace . 0)(inline-open . 0)) 00148 indent-tabs-mode:nil 00149 fill-column:79 00150 End: 00151 */ 00152 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :