SHOGUN
v3.2.0
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00001 /* 00002 * This program is free software; you can redistribute it and/or modify 00003 * it under the terms of the GNU General Public License as published by 00004 * the Free Software Foundation; either version 3 of the License, or 00005 * (at your option) any later version. 00006 * 00007 * Written (W) 2011-2013 Sergey Lisitsyn 00008 * Copyright (C) 2011-2013 Berlin Institute of Technology and Max-Planck-Society 00009 */ 00010 00011 #ifndef LAPLACIANEIGENMAPS_H_ 00012 #define LAPLACIANEIGENMAPS_H_ 00013 #include <shogun/lib/config.h> 00014 #ifdef HAVE_EIGEN3 00015 #include <shogun/converter/EmbeddingConverter.h> 00016 #include <shogun/features/Features.h> 00017 #include <shogun/distance/Distance.h> 00018 00019 namespace shogun 00020 { 00021 00022 class CFeatures; 00023 class CDistance; 00024 00039 class CLaplacianEigenmaps: public CEmbeddingConverter 00040 { 00041 public: 00042 00044 CLaplacianEigenmaps(); 00045 00047 virtual ~CLaplacianEigenmaps(); 00048 00053 virtual CFeatures* apply(CFeatures* features); 00054 00058 virtual CDenseFeatures<float64_t>* embed_distance(CDistance* distance); 00059 00063 void set_k(int32_t k); 00064 00068 int32_t get_k() const; 00069 00073 void set_tau(float64_t tau); 00074 00078 float64_t get_tau() const; 00079 00081 virtual const char* get_name() const; 00082 00083 protected: 00084 00086 void init(); 00087 00088 protected: 00089 00091 int32_t m_k; 00092 00094 float64_t m_tau; 00095 00096 }; 00097 } 00098 00099 #endif /* HAVE_EIGEN3 */ 00100 #endif /* LAPLACIANEIGENMAPS_H_ */