Developer Documentation
PCA.hh
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52 
53 //=============================================================================
54 //
55 // CLASS PCA
56 //
57 //=============================================================================
58 
59 
60 #ifndef PCA_HH
61 #define PCA_HH
62 
69 //== INCLUDES =================================================================
70 
71 #include <gmm/gmm.h>
72 
73 //== FORWARDDECLARATIONS ======================================================
74 
75 //== NAMESPACES ===============================================================
76 
78 namespace Pca {
79 
80 //== CLASS DEFINITION =========================================================
81 
88 template < typename VectorT >
89 class PCA
90 {
91  typedef gmm::dense_matrix<double> Matrix;
92  typedef std::vector< double > Vector;
93 
94 public:
95 
97  PCA() {}
98 
102  PCA( std::vector< VectorT >& _points, VectorT& _first , VectorT& _second , VectorT& _third);
103 
105  ~PCA();
106 
111  inline VectorT center_of_gravity(const std::vector< VectorT >& _points );
112 
120  void pca(std::vector< VectorT >& _points , VectorT& _first , VectorT& _second , VectorT& _third);
121 
122 
123  std::vector<double>& getLastEigenValues();
124 
125  bool SymRightEigenproblem( Matrix &_mat_A, Matrix & _mat_VR,
126  std::vector< double > & _vec_EV );
127 private:
128 
129  std::vector<double> lastEigenValues_;
130 
131 };
132 
133 
134 //=============================================================================
135 } //namespace Pca
136 //=============================================================================
137 #if defined(INCLUDE_TEMPLATES) && !defined(PCA_C)
138 #define PCA_TEMPLATES
139 #include "PCA.cc"
140 #endif
141 //=============================================================================
142 #endif // PCA_HH defined
143 //=============================================================================
144 
VectorT center_of_gravity(const std::vector< VectorT > &_points)
Definition: PCA.cc:110
Class for principal component Analysis.
Definition: PCA.hh:89
Namespace for principal Component Analysis.
Definition: PCA.cc:86
~PCA()
Destructor.
Definition: PCA.cc:97
void pca(std::vector< VectorT > &_points, VectorT &_first, VectorT &_second, VectorT &_third)
Definition: PCA.cc:175
PCA()
Constructor.
Definition: PCA.hh:97