Impala Documentation

void @44::GetNSamples	(	Feature::AnnotatedFeatureTable &	featureSampling,
		Feature::PointDescriptorTable *	pointData,
		int	n,
		int	classId
	)			`[static]`

Definition at line 66 of file mainRandomForest.cpp.

References Impala::Core::Table::TableTem< Col1T, Col2T, Col3T, Col4T, Col5T, Col6T, Col7T, Col8T, Col9T >::Add(), Impala::Core::Feature::PointDescriptorTable::GetDescriptorData(), Impala::Core::Feature::PointDescriptorTable::GetDescriptorLength(), Impala::Util::Random::RandomUniqueNumbers(), and Impala::Core::Table::Table::Size().

Referenced by GetFeatures().

00068 {
00069     static Util::Random sRNG;
00070     std::set<int> indices = sRNG.RandomUniqueNumbers(n, pointData->Size());
00071     for(std::set<int>::iterator itIndex = indices.begin() ;
00072         itIndex != indices.end() ; ++itIndex)
00073     {
00074         int index = *itIndex;
00075         Vector::VectorTem<double> vector(pointData->GetDescriptorLength(), 
00076             pointData->GetDescriptorData(index), true);
00077         featureSampling.Add(vector, classId);
00078     }
00079 }

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