TimeDomainFeatures.h

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#ifndef GRT_TIME_DOMAIN_FEATURES_HEADER
#define GRT_TIME_DOMAIN_FEATURES_HEADER

#include "../../CoreModules/FeatureExtraction.h"
#include "../../Util/Util.h"

GRT_BEGIN_NAMESPACE
 
class TimeDomainFeatures : public FeatureExtraction{
public:
 TimeDomainFeatures(UINT bufferLength=100,UINT numFrames=10,UINT numDimensions = 1,bool offsetInput = false,bool useMean = true,bool useStdDev = true,bool useEuclideanNorm = true,bool useRMS = true);
 
 TimeDomainFeatures(const TimeDomainFeatures &rhs);
 
 virtual ~TimeDomainFeatures();
 
 TimeDomainFeatures& operator=(const TimeDomainFeatures &rhs);

 virtual bool deepCopyFrom(const FeatureExtraction *featureExtraction);
 
 virtual bool computeFeatures(const VectorFloat &inputVector);
 
 virtual bool reset();
 
 virtual bool saveModelToFile( std::string filename ) const;
 
 virtual bool loadModelFromFile( std::string filename );
 
 virtual bool saveModelToFile( std::fstream &file ) const;
 
 virtual bool loadModelFromFile( std::fstream &file );

 bool init(UINT bufferLength,UINT numFrames,UINT numDimensions,bool offsetInput,bool useMean,bool useStdDev,bool useEuclideanNorm,bool useRMS);
 
 VectorFloat update(Float x);
 
 VectorFloat update(const VectorFloat &x);
 
 CircularBuffer< VectorFloat > getBufferData();
 
 const CircularBuffer< VectorFloat > &getBufferData() const;
 
 //Tell the compiler we are using the following functions from the MLBase class to stop hidden virtual function warnings
 using MLBase::train;
 using MLBase::train_;
 using MLBase::predict;
 using MLBase::predict_;

protected:
 UINT bufferLength;
 UINT numFrames;
 bool offsetInput;
 bool useMean;
 bool useStdDev;
 bool useEuclideanNorm;
 bool useRMS;
 CircularBuffer< VectorFloat > dataBuffer;
 
 static RegisterFeatureExtractionModule< TimeDomainFeatures > registerModule;
};

GRT_END_NAMESPACE

#endif //GRT_TIME_DOMAIN_FEATURES_HEADER