Home || Architecture || Video Search || Visual Search || Scripts || Applications || Important Messages || OGL || Src

int Impala::Application::mainConstructCodebook ( int  argc,
char *  argv[] 
)

Definition at line 37 of file mainConstructCodebook.cpp.

References Impala::Core::Table::TableTem< Col1T, Col2T, Col3T, Col4T, Col5T, Col6T, Col7T, Col8T, Col9T >::Add(), Impala::CmdOptions::AddOption(), Impala::atoi(), Impala::FileNamePath(), Impala::CmdOptions::GetArg(), Impala::Core::Database::RawDataSet::GetDatabase(), Impala::Core::Database::RawDataSet::GetFilePath(), Impala::CmdOptions::GetInstance(), Impala::Core::Database::RawDataSet::GetQuidClass(), Impala::Core::Database::RawDataSet::GetSetId(), Impala::CmdOptions::GetString(), ILOG_INFO, ILOG_VAR, ILOG_WARN, Impala::CmdOptions::Initialise(), Impala::Core::Matrix::KmeansClustering(), Impala::Core::Database::RawDataSet::MakeDir(), Impala::Core::Feature::FeatureTable::MakeFromDataSet(), Impala::MakeQuidCodebook(), Impala::Core::Database::MakeRawDataSet(), Impala::MakeString(), Impala::Core::Matrix::MatE(), Impala::Core::Matrix::MatNrCol(), Impala::Core::Matrix::MatNrRow(), Impala::CmdOptions::ParseArgs(), Impala::Core::Array::ReadRaw(), and Impala::Core::Table::Write().

Referenced by main().

00038 {
00039     CmdOptions& options = CmdOptions::GetInstance();
00040     options.Initialise(false, false, true);
00041     options.AddOption(0, "rawFile", "filename", "", 0, true);
00042 
00043     ILOG_VAR(Sandbox.koen.mainConstructCodebook);
00044 
00045     if (! options.ParseArgs(argc, argv, "dataset featurename codebookoutputname k", 4))
00046         return 1;
00047 
00048     Core::Database::RawDataSet* dataset = Core::Database::MakeRawDataSet(options.GetArg(0));
00049     if(!dataset)
00050     {
00051         ILOG_INFO_ONCE("failed to open dataset " << options.GetArg(0));
00052         return 0;
00053     }
00054 
00055     String feature = options.GetArg(1);
00056     String outputFilename = options.GetArg(2);
00057     int k = atoi(options.GetArg(3));
00058 
00059     String outputCheck = dataset->GetFilePath("", outputFilename, false, true);
00060     if(!outputCheck.empty())
00061     {
00062         ILOG_WARN("Output codebook file already exists: " << outputFilename << "; skipping...");
00063         return 0;
00064     }
00065 
00066     ILOG_INFO("Clustering from dataset: " << options.GetArg(0));
00067     ILOG_INFO("Feature: " << feature);
00068     ILOG_INFO("Output filename: " << outputFilename);
00069     ILOG_INFO("Clusters requested: " << k);
00070 
00071     Mat* codebook = 0;
00072     if(options.GetString("rawFile").empty())
00073     {
00074         Core::Feature::FeatureTable* clusterInput = 
00075                                     Core::Feature::FeatureTable::MakeFromDataSet(dataset, 
00076                                     Core::Feature::FeatureDefinition(feature),
00077                                     "Keyframes"); // always do keyframes for video sets
00078         ILOG_INFO("Clustering on: " << clusterInput->Size() << " points");
00079         codebook = KmeansClustering(clusterInput->GetColumn2()->GetStorage(), k);
00080         delete clusterInput;
00081     }
00082     else
00083     {
00084         String rawFilename = options.GetString("rawFile");
00085         Mat* rawData = 0;
00086         ReadRaw(rawData, rawFilename, dataset->GetDatabase());
00087         codebook = KmeansClustering(rawData, k);
00088         delete rawData;
00089     }
00090 
00091     Core::Feature::FeatureTable* codebookTable = new Core::Feature::FeatureTable(
00092                                String("kmeans-clustering_k_") + MakeString(k), k, 
00093                                MatNrCol(codebook));
00094     for(int i = 0; i < MatNrRow(codebook); i++)
00095     {
00096         Quid descr = MakeQuidCodebook(dataset->GetQuidClass(), dataset->GetSetId(), i);
00097         Core::Vector::VectorTem<Real64> v(MatNrCol(codebook));
00098         for(int j = 0; j < MatNrCol(codebook); j++)
00099         {
00100             v[j] = *MatE(codebook, i, j);
00101         }
00102         codebookTable->Add(descr, v);
00103     }
00104     delete codebook;
00105 
00106     dataset->MakeDir(FileNamePath(outputFilename));
00107     String output2 = dataset->GetFilePath("", outputFilename, true, false);
00108     Core::Table::Write(codebookTable, output2, dataset->GetDatabase(), true);
00109     delete codebookTable;
00110     
00111     return 0;
00112 }

Here is the call graph for this function:


Generated on Fri Mar 19 10:36:19 2010 for ImpalaSrc by  doxygen 1.5.1