RBMQuantizer.h

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#ifndef GRT_RBM_QUANTIZER_HEADER
#define GRT_RBM_QUANTIZER_HEADER

//Include the main GRT header to get access to the FeatureExtraction base class
#include "../../CoreModules/FeatureExtraction.h"
#include "../../CoreAlgorithms/BernoulliRBM/BernoulliRBM.h"
#include "../../DataStructures/TimeSeriesClassificationData.h"
#include "../../DataStructures/ClassificationDataStream.h"
#include "../../DataStructures/UnlabelledData.h"

GRT_BEGIN_NAMESPACE
 
class GRT_API RBMQuantizer : public FeatureExtraction{
public:
 RBMQuantizer(const UINT numClusters=10);
 
 RBMQuantizer(const RBMQuantizer &rhs);
 
 virtual ~RBMQuantizer();
 
 RBMQuantizer& operator=(const RBMQuantizer &rhs);

 virtual bool deepCopyFrom(const FeatureExtraction *featureExtraction);
 
 virtual bool computeFeatures(const VectorFloat &inputVector);
 
 virtual bool reset();
 
 virtual bool clear();
 
 virtual bool save( std::fstream &file ) const;
 
 virtual bool load( std::fstream &file );

 virtual bool train_(ClassificationData &trainingData);

 virtual bool train_(TimeSeriesClassificationData &trainingData);

 virtual bool train_(ClassificationDataStream &trainingData);

 virtual bool train_(UnlabelledData &trainingData);

 virtual bool train_(MatrixFloat &trainingData);

 UINT quantize(const Float inputValue);
 
 UINT quantize(const VectorFloat &inputVector);
 
 bool getQuantizerTrained() const;

 UINT getNumClusters() const;
 
 UINT getQuantizedValue() const;
 
 VectorFloat getQuantizationDistances() const;
 
 BernoulliRBM getBernoulliRBM() const;
 
 bool setNumClusters(const UINT numClusters);
 
 //Tell the compiler we are using the following functions from the MLBase class to stop hidden virtual function warnings
 using MLBase::save;
 using MLBase::load;
 using MLBase::train;
 using MLBase::train_;
 using MLBase::predict;
 using MLBase::predict_;
 
protected:
 UINT numClusters;
 BernoulliRBM rbm;
 VectorFloat quantizationDistances;
 
 static RegisterFeatureExtractionModule< RBMQuantizer > registerModule;
};

GRT_END_NAMESPACE

#endif //GRT_RBM_QUANTIZER_HEADER