contrib/rpl/rrel/rrel_homography2d_est

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00001 #ifndef rrel_homography2d_est_aff_h_
00002 #define rrel_homography2d_est_aff_h_
00003 //:
00004 // \file
00005 
00006 #include <rrel/rrel_homography2d_est.h>
00007 #include <vgl/vgl_fwd.h>
00008 
00009 //: Subclass of the generalized 8-DOF homography estimator for affine transformations (6 DOF).
00010 
00011 class rrel_homography2d_est_aff : public rrel_homography2d_est
00012 {
00013  public:
00014 
00015   //: Constructor from vgl_homg_point_2d's
00016   rrel_homography2d_est_aff( const vcl_vector< vgl_homg_point_2d<double> > & from_pts,
00017                              const vcl_vector< vgl_homg_point_2d<double> > & to_pts );
00018 
00019   //: Constructor from vnl_vectors
00020   rrel_homography2d_est_aff( const vcl_vector< vnl_vector<double> > & from_pts,
00021                              const vcl_vector< vnl_vector<double> > & to_pts );
00022 
00023   //: Destructor.
00024   virtual ~rrel_homography2d_est_aff();
00025 
00026   //: Convert a homography to a linear parameter list (for estimation).
00027   virtual void  homography_to_parameters(const vnl_matrix<double>&  m,
00028                                          vnl_vector<double>&        p) const;
00029 
00030   //: Convert a linear parameter list (from estimation) to a homography.
00031   virtual void  parameters_to_homography(const vnl_vector<double>&  p,
00032                                          vnl_matrix<double>&        m) const;
00033 };
00034 
00035 #endif // rrel_homography2d_est_aff_h_