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GaborFilter.h

Go to the documentation of this file.

#ifndef Impala_Core_Tracking_GaborFilter_h
#define Impala_Core_Tracking_GaborFilter_h

#include <vector>
#include <math.h>
#include "Core/Array/MakeGabor.h"
#include "Core/Tracking/KernelSet.h"

/*
    we use 12 instantiations of the gabor filters: 
    6 different orientations (30degree steps) times 2 (symmetric and asymmetric)
    therefore the texture space is 12 dimensional
*/

namespace Impala
{
namespace Core
{
namespace Tracking
{

class GaborFilterSet : public KernelSet
{
public:
    GaborFilterSet(double scale, double frequency, int rotations, int size) : KernelSet(size)
    {
        int i;
        for(i=0 ; i<rotations ; i++)
        {
            AddKernel(Array::MakeGabor(size, scale, frequency, i*(M_PI/rotations), true));
            AddKernel(Array::MakeGabor(size, scale, frequency, i*(M_PI/rotations), false));
        }
    }
};

}//namespace Tracking
}//namespace Core
}//namespace Impala

#endif //Impala_Core_Tracking_GaborFilter_h

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