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