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hugin_base/vigra_ext/emor.h
Go to the documentation of this file.00001 // -*- c-basic-offset: 4 -*- 00024 #ifndef VIGRA_EXT_EMOR_H 00025 #define VIGRA_EXT_EMOR_H 00026 00027 #include <assert.h> 00028 00029 #include <vector> 00030 00031 #include <vigra/numerictraits.hxx> 00032 #include <vigra_ext/utils.h> 00033 00034 //#define DEBUG_WRITE_FILES 00035 00036 namespace vigra_ext{ 00037 00038 namespace EMoR 00039 { 00040 extern IMPEX double f0[1024]; 00041 extern IMPEX double h[25][1024]; 00042 00043 template <class VECTOR> 00044 inline void createEMoRLUT(const std::vector<float> & params, VECTOR & lut) 00045 { 00046 typedef typename VECTOR::value_type VT; 00047 00048 VT s = (VT) vigra_ext::LUTTraits<VT>::max(); 00049 00050 // lookup tables 00051 size_t nDim = params.size(); 00052 assert(nDim < 26); 00053 lut.resize(1024); 00054 for (int i=0; i<1024; ++i) { 00055 double t = vigra_ext::EMoR::f0[i]; 00056 for (size_t j=0; j < nDim; j++) { 00057 t += params[j] * vigra_ext::EMoR::h[j][i]; 00058 } 00059 lut[i] = vigra::NumericTraits<VT>::fromRealPromote(t*s); 00060 } 00061 } 00062 } 00063 00064 } // namespace 00065 00066 #endif // VIGRA_EXT_VIGNETTING_CORRECTION_H
