PreProcessing.h

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#ifndef GRT_PRE_PROCESSING_HEADER
#define GRT_PRE_PROCESSING_HEADER

#include "MLBase.h"

GRT_BEGIN_NAMESPACE

class PreProcessing : public MLBase
{
public:
 PreProcessing(void);
 
 virtual ~PreProcessing(void);
 
 virtual bool deepCopyFrom(const PreProcessing *rhs){ return false; }
 
 bool copyBaseVariables(const PreProcessing *preProcessingModule);

 virtual bool process(const VectorFloat &inputVector){ return false; }
 
 virtual bool reset();
 
 virtual bool clear();
 
 virtual bool saveModelToFile(std::string filename) const;
 
 virtual bool loadModelFromFile(std::string filename);
 
 virtual bool saveModelToFile(std::fstream &file) const{ return false; }
 
 virtual bool loadModelFromFile(std::fstream &file){ return false; }
 
 std::string getPreProcessingType() const;
 
 UINT getNumInputDimensions() const;
 
 UINT getNumOutputDimensions() const;
 
 bool getInitialized() const;

 VectorFloat getProcessedData() const;
 
 typedef std::map< std::string, PreProcessing*(*)() > StringPreProcessingMap;
 
 static PreProcessing* createInstanceFromString(std::string const &preProcessingType);
 
 PreProcessing* createNewInstance() const;
 
protected:
 bool init();
 
 bool savePreProcessingSettingsToFile(std::fstream &file) const;
 
 bool loadPreProcessingSettingsFromFile(std::fstream &file);

 std::string preProcessingType;
 bool initialized;
 VectorFloat processedData;

 static StringPreProcessingMap *getMap() {
 if( !stringPreProcessingMap ){ stringPreProcessingMap = new StringPreProcessingMap; } 
 return stringPreProcessingMap; 
 }

private:
 static StringPreProcessingMap *stringPreProcessingMap;
 static UINT numPreProcessingInstances;
};

//These two functions/classes are used to register any new PreProcessing Module with the PreProcessing base class
template< typename T > PreProcessing *newPreProcessingModuleInstance() { return new T; }

template< typename T > 
class RegisterPreProcessingModule : PreProcessing { 
public:
 RegisterPreProcessingModule( const std::string &newPreProcessingModuleName ) { 
 getMap()->insert( std::pair< std::string, PreProcessing*(*)() >(newPreProcessingModuleName, &newPreProcessingModuleInstance< T > ) );
 }
};

GRT_END_NAMESPACE

#endif // GRT_POST_PROCESSING_HEADER