00001 // This is core/vgl/algo/vgl_h_matrix_3d_compute.h 00002 #ifndef vgl_h_matrix_3d_compute_h_ 00003 #define vgl_h_matrix_3d_compute_h_ 00004 //: 00005 // \file 00006 // \brief contains class vgl_h_matrix_3d_compute 00007 // \author Ozge C. Ozcanli 00008 // \date June 24, 2010 00009 // 00010 // Abstract interface for classes that compute projective transformations 00011 // from point correspondences. 00012 // 00013 // \verbatim 00014 // Modifications 00015 // <none yet> 00016 // \endverbatim 00017 00018 #include <vcl_vector.h> 00019 #include <vgl/vgl_homg_point_3d.h> 00020 #include <vgl/algo/vgl_h_matrix_3d.h> 00021 00022 class vgl_h_matrix_3d_compute 00023 { 00024 public: 00025 vgl_h_matrix_3d_compute() : verbose_(false) {} 00026 virtual ~vgl_h_matrix_3d_compute() {} 00027 00028 // set this to true for verbose run-time information 00029 void verbose(bool v) { verbose_ = v; } 00030 00031 virtual int minimum_number_of_correspondences() const = 0; 00032 00033 // Compute methods : 00034 // 00035 // They are implemented in terms of the pure virtual compute_ methods. 00036 00037 //: homography from matched points 00038 bool compute(vcl_vector<vgl_homg_point_3d<double> > const& points1, 00039 vcl_vector<vgl_homg_point_3d<double> > const& points2, 00040 vgl_h_matrix_3d<double>& H) 00041 { 00042 return compute_p(points1, points2, H); 00043 } 00044 00045 //: homography from matched points - return h_matrix 00046 vgl_h_matrix_3d<double> 00047 compute(vcl_vector<vgl_homg_point_3d<double> > const& p1, 00048 vcl_vector<vgl_homg_point_3d<double> > const& p2) 00049 { vgl_h_matrix_3d<double> H; compute_p(p1, p2, H); return H; } 00050 00051 protected: 00052 bool verbose_; 00053 virtual bool compute_p(vcl_vector<vgl_homg_point_3d<double> > const& points1, 00054 vcl_vector<vgl_homg_point_3d<double> > const& points2, 00055 vgl_h_matrix_3d<double>& H) = 0; 00056 }; 00057 00058 #endif // vgl_h_matrix_3d_compute_h_
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