00001 #include "rgrl_feature.h" 00002 //: 00003 // \file 00004 // \author Amitha Perera 00005 // \date Feb 2002 00006 00007 #include "rgrl_transformation.h" 00008 00009 #include <vcl_cassert.h> 00010 00011 00012 double 00013 rgrl_feature:: 00014 geometric_error( rgrl_feature const& other ) const 00015 { 00016 return (this->location() - other.location()).pre_multiply( this->error_projector_sqrt() ).two_norm(); 00017 } 00018 00019 double 00020 rgrl_feature:: 00021 geometric_error( rgrl_transformation const& xform, rgrl_feature const& other ) const 00022 { 00023 vnl_vector<double> mapped; 00024 return (this->location() - other.location()).pre_multiply( this->error_projector_sqrt() ).two_norm(); 00025 } 00026 00027 00028 vnl_vector<double> 00029 rgrl_feature:: 00030 signature_error_vector( rgrl_feature const& ) const 00031 { 00032 assert( ! "This rgrl_feature doesn't implement signature_error_vector()" ); 00033 return vnl_vector<double>(0); // to suppress compiler warnings 00034 } 00035 00036 00037 unsigned 00038 rgrl_feature::signature_error_dimension( vcl_type_info const& ) const 00039 { 00040 // This rgrl_feature doesn't implement signature_error_dimension() 00041 // By default, return 0; 00042 return 0; 00043 } 00044 00045 vnl_matrix<double> const& 00046 rgrl_feature:: 00047 error_projector_sqrt() const 00048 { 00049 // by default, use error_projector 00050 return error_projector(); 00051 }
1.7.5.1