|| || || || || ||

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Surf.h

Go to the documentation of this file.

#ifndef Impala_Core_Feature_Surf_h
#define Impala_Core_Feature_Surf_h

#include "Core/Feature/PointDescriptorTable.h"
#include "Core/Feature/GetColorChannels.h"
#include "Core/Feature/DSurf.h"
#include "Core/Matrix/MatConcatenate.h"

namespace Impala
{
namespace Core
{
namespace Feature
{

void
CalculateSurfDescriptors(Array::Array2dVec3UInt8* inputNoBorder,
                         PointDescriptorTable* pointData,
                         String descriptor, int haarSize,
                         int components, int spatiality)
{
    using namespace Matrix;

    descriptor = StringReplace(descriptor, "surf", "");
    std::vector<Array::Array2dScalarReal64*> channels =
        GetColorChannels(inputNoBorder, descriptor);

    std::vector<Matrix::Mat*> channelDescriptors;
    for(int i=0 ; i<channels.size() ; ++i)
    {
        Mat* descriptors = DSurf(channels[i], pointData, haarSize, 
                                 components, spatiality);
        channelDescriptors.push_back(descriptors);
        delete channels[i];
    }

    if(channelDescriptors.size() == 1)
    {
        // takes ownership of memory
        pointData->ReplaceAllDescriptors(channelDescriptors[0]);
    }
    else
    {
        // now turn them all into a big descriptor
        Matrix::Mat* descriptors =
            Matrix::MatConcatenateHorizontal(channelDescriptors);
        
        // takes ownership of memory
        pointData->ReplaceAllDescriptors(descriptors);

        for(int i=0 ; i<channelDescriptors.size() ; i++)
            delete channelDescriptors[i];
    }
}

} // namespace Feature
} // namespace Core
} // namespace Impala

#endif

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