Impala Documentation

void @41::GetNSamples	(	Feature::AnnotatedFeatureTable &	featureSampling,
		const Geometry::InterestPointList &	points,
		int	n,
		int	classId
	)			`[static]`

Definition at line 62 of file mainRandomForest.cpp.

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

Referenced by GetFeatures().

00064 {
00065     Geometry::InterestPointList::const_iterator itPoint = points.begin();
00066     std::set<int> indices = Util::RandomUniqueNumbers(n, points.size());
00067     int index=0;
00068     for(std::set<int>::iterator itIndex = indices.begin() ;
00069         itIndex != indices.end() ; ++itIndex)
00070     {
00071         while(index<*itIndex)
00072         {
00073             ++itPoint;
00074             ++index;
00075         }
00076         std::vector<Real64>& v = (*itPoint)->mDescriptor;
00077         Vector::VectorTem<double> vector(v.size(), &v[0], true);
00078         featureSampling.Add(vector, classId);
00079     }
00080 }

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