Impala Documentation

template<class SrcArrayT>

PointDescriptorTable* Impala::Core::Feature::InterestPointFeature::DenseSamplingDetector	(	SrcArrayT *	input,
		int	spacing
	)			`[inline, private]`

Definition at line 1274 of file InterestPointFeature.h.

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

Referenced by ApplyDetector().

01275     {
01276         PointDescriptorTable* output = new PointDescriptorTable();
01277         int halfspacing = spacing / 2;
01278         int w = input->CW();
01279         int h = input->CH();
01280         int i = 0;
01281         for(int y = spacing; y < h - spacing; y += spacing)
01282         {
01283             int x = spacing;
01284             if(i % 2 == 0)
01285             {
01286                 x += halfspacing;
01287             }
01288             for(; x < w - spacing; x += spacing)
01289             {
01290                 for(int q = 0; q < mDenseSamplingScales.size(); q++)
01291                 {
01292                     //Real64 scale = sqrt(Real64(spacing * spacing + spacing *
01293                     //spacing));
01298                     //scale = scale / 4;
01299                     output->Add(x, y, mDenseSamplingScales[q], 0, 0);
01300                 }
01301             }
01302             i += 1;
01303         }
01304         return output;
01305     }

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