| void Impala::Core::Table::BayesFusion::ExecuteBayesFusion | ( | double | alpha, | |
| bool | bUseAnnoMatrix = true | |||
| ) | [inline] |
Definition at line 210 of file BayesFusion.h.
References Impala::Core::Table::SimilarityTableSet::ComputeRanks(), conceptSimTable, genreSimTable, Impala::Core::Table::TableTem< Col1T, Col2T, Col3T, Col4T, Col5T, Col6T, Col7T, Col8T, Col9T >::Get1(), Impala::Core::Database::RawDataSet::GetDatabase(), Impala::Core::Table::SimilarityTableSet::GetName(), Impala::Core::Table::SimilarityTableSet::GetSimTable(), Impala::Core::Table::Bayes::LoadMatrix(), Impala::Core::Table::Bayes::mConceptNum, mConceptPath, mConceptSimSet, Impala::Core::Table::Bayes::mGenreNum, mGenreSimSet, Impala::Core::Table::Bayes::mImgSet, Impala::Core::Table::Bayes::mIsImageSet, Impala::Core::Table::Bayes::mProb_c_g, mQuidTable, Impala::Core::Table::Bayes::mTableSize, Impala::Core::Table::Bayes::mVerbose, Impala::Core::Table::Bayes::mVidSet, mWriteTable, Impala::Core::Table::SimilarityTableSet::Save(), Impala::Core::Table::TableTem< Col1T, Col2T, Col3T, Col4T, Col5T, Col6T, Col7T, Col8T, Col9T >::Set1(), Impala::Core::Table::Table::Size(), and Impala::Core::Table::Bayes::tabConcept.
Referenced by DoFusion().
00211 { 00212 if (!bUseAnnoMatrix) 00213 { 00214 // load Prob_c_g[][] from ground truth of test set 00215 LoadMatrix(false); 00216 } 00217 00218 // load genre similarity tables 00219 for (int j=0 ; j<mGenreNum ; j++) 00220 genreSimTable[j] = mGenreSimSet->GetSimTable(j); 00221 00222 //for (int k=0 ; k<mConceptSimSet->NrTables() ; k++) 00223 //_ASSERT(mConceptNum == mConceptSimSet->NrTables()); 00224 for (int k=0 ; k<mConceptNum ; k++) 00225 { 00226 //SimilarityTableSet::SimTableType* conceptSimTable = mConceptSimSet->GetSimTable(k); 00227 conceptSimTable[k] = mConceptSimSet->GetSimTable(k); 00228 00229 std::cout << "table " << k << ", name = " << mConceptSimSet->GetName(k) 00230 << std::endl; 00231 if (conceptSimTable[k]->Size() != mQuidTable->Size()) 00232 { 00233 //ILOG_ERROR("DumpRanking: simtable size doesn't match"); 00234 printf("DumpRanking: simtable size doesn't match\n"); 00235 continue; 00236 } 00237 00238 int nForwardCount = 0; 00239 int nBackwardCount = 0; 00240 double diffForward = 0; 00241 double diffBackward = 0; 00242 00243 int nPosOutRangeCount=0; 00244 int nNegOutRangeCount=0; 00245 00246 String concept = mConceptSimSet->GetName(k); 00247 //for (int i=mStart ; i<mEnd ; i++) 00248 for (int i=0 ; i<mTableSize ; i++) 00249 { 00250 Quid quid = mQuidTable->Get1(i); 00251 //std::cout << concept << ", "; 00252 /*if (!mIsImageSet) 00253 { 00254 int keyId = mKeyframes->GetFrameId(quid); 00255 if (keyId != -1) 00256 std::cout << FileNameBase(mKeyframes->GetName(keyId)) << ", "; 00257 else 00258 std::cout << mVidSet->QuidToString(quid, true) << ", "; 00259 }*/ 00260 std::cout << conceptSimTable[k]->Get1(i) << std::endl; 00261 00262 // update the concept scores 00263 Real64 conceptOldScore = conceptSimTable[k]->Get1(i); 00264 00265 Real64 sum = 0; 00266 for (int j=0; j<mGenreNum; j++) 00267 { 00268 Real64 genreScore = genreSimTable[j]->Get1(i); 00269 00270 sum += mProb_c_g[k][j] * genreScore; 00271 00272 //std::cout << mProb_c_g[k][j] << "*" <<genreScore<< "+" << std:endl; 00273 } 00274 //std::cout << std::endl; 00275 00276 //Real64 conceptNewScore = sum/mGenreNum; 00277 //Real64 conceptNewScore = sum; 00278 //double alpha = 0.95; 00279 Real64 conceptNewScore = conceptOldScore * alpha + (1-alpha)* sum; 00280 conceptSimTable[k]->Set1(i,conceptNewScore); // set the new concept score 00281 00282 // check positive samples 00283 Real64 diff; 00284 if (tabConcept[k]->IsPositive(i)) 00285 { 00286 diff = conceptNewScore - conceptOldScore; 00287 if (diff > 0) 00288 { 00289 diffForward += diff; 00290 nForwardCount ++; 00291 } 00292 else 00293 { 00294 diffBackward += diff; 00295 nBackwardCount ++; 00296 } 00297 00298 if (conceptNewScore > 1 && mVerbose) 00299 { 00300 //std::cout << "[+ out of range] New Score: " << conceptNewScore << std::endl; 00301 nPosOutRangeCount ++; 00302 } 00303 } 00304 else 00305 { 00306 if (conceptNewScore > 1 && mVerbose) 00307 { 00308 //std::cout << "[- out of range] New Score: " << conceptNewScore << std::endl; 00309 nNegOutRangeCount ++; 00310 } 00311 } 00312 } 00313 //std::cout << std::endl; 00314 00315 if (mVerbose) 00316 { 00317 std::cout << "+ [pos moving] "; 00318 std::cout << "Forward " << nForwardCount << ": " << diffForward << ", "; 00319 std::cout << "Backward " << nBackwardCount << ": " << diffBackward << std::endl; 00320 00321 std::cout << "+ [out of range]: " << nPosOutRangeCount << " in total" << std::endl; 00322 std::cout << "- [out of range]: " << nNegOutRangeCount << " in total" << std::endl; 00323 } 00324 } 00325 00326 mConceptSimSet->ComputeRanks(true); 00327 00328 if (mWriteTable) 00329 { 00330 //mImgSet->GetFilePathSimilarityIndex(conceptSet, model,feature, "names.txt",false, false); 00331 //mVidSet->GetFilePathSimilarityIndex(conceptSet, model,feature, "names.txt",false, false); 00332 //Impala::CString outpath = ".\\SimilarityIndex\\concepts.txt\\chi2\\both2-3sift-p112213\\"; 00333 String OutPath = mConceptPath; 00334 OutPath.resize(OutPath.size() - 9); // remove "names.txt" 00335 00336 if (mIsImageSet) 00337 mConceptSimSet->Save(OutPath, mImgSet->GetDatabase(),true); 00338 else 00339 mConceptSimSet->Save(OutPath, mVidSet->GetDatabase(),true); 00340 std::cout << "Saving files: " << OutPath << std::endl; 00341 } 00342 00343 }
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