contrib/rpl/rgrl/rgrl_trans_mixed

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00001 #ifndef rgrl_trans_mixed_spline_h_
00002 #define rgrl_trans_mixed_spline_h_
00003 //:
00004 // \file
00005 #include "rgrl_transformation.h"
00006 #include "rgrl_trans_spline.h"
00007 #include <vcl_vector.h>
00008 
00009 class rgrl_trans_mixed_spline
00010   : public rgrl_transformation
00011 {
00012  public:
00013   //: Constructor
00014   rgrl_trans_mixed_spline( vcl_vector< rgrl_trans_spline > const& trans_splines )
00015     : trans_splines_( trans_splines ){}
00016 
00017   ~rgrl_trans_mixed_spline() {}
00018 
00019   void add_trans( rgrl_trans_spline trans_spline )
00020   {
00021     trans_splines_.push_back( trans_spline );
00022   }
00023 
00024   vnl_matrix<double>
00025   transfer_error_covar( vnl_vector<double> const& p ) const;
00026 
00027   //: Compute jacobian w.r.t. location
00028   virtual void jacobian_wrt_loc( vnl_matrix<double>& jac, vnl_vector<double> const& from_loc ) const;
00029 
00030   //: make a clone copy
00031   rgrl_transformation_sptr clone() const;
00032 
00033   //:  transform the transformation for images of different resolution
00034   rgrl_transformation_sptr scale_by( double scale ) const;
00035 
00036   // Defines type-related functions
00037   rgrl_type_macro( rgrl_trans_mixed_spline, rgrl_transformation );
00038 
00039  protected:
00040   void map_loc( vnl_vector< double > const& from,
00041                 vnl_vector< double > & to ) const;
00042 
00043   void map_dir( vnl_vector< double > const& from_loc,
00044                 vnl_vector< double > const& from_dir,
00045                 vnl_vector< double > & to_dir ) const;
00046 
00047  private:
00048   // each rgrl_trans_spline defines its own region transformation
00049   // the transformation is the sum of these rgrl_trans_spline
00050   vcl_vector< rgrl_trans_spline > trans_splines_;
00051 };
00052 
00053 #endif