vetHist.h

#ifndef __VETLIB_VETHIST_H__
 #define __VETLIB_VETHIST_H__

 #include "vetDefs.h"
 #include "vetFrameYUV420.h"
 #include "vetFrameRGB24.h"



class vetHist
 {
        protected:

                int valMax;
                int valMin;
                int valBandwidth;
                unsigned int valCount;

                double valSum;
                double valSum2;

                unsigned int* freqHist;

                unsigned int freqMax;
                unsigned int freqMin;

                float* probHist;

                float probMax;
                float probMin;



        public:


                vetHist();
                vetHist(int MinValue, int MaxValue);
                vetHist(vetFrameYUV420& img, vetFrameYUV420::ChannelYUV channel);
                vetHist(vetFrameRGB24& img, vetFrameRGB24::ChannelRGB channel);

                vetHist(char const* filename);

                ~vetHist();

                VETRESULT reset();
                VETRESULT reset(int MinValue, int MaxValue);

                VETRESULT addValue(int value);
                VETRESULT addData(int *data, int size);

                VETRESULT fromImage(vetFrameYUV420& img, vetFrameYUV420::ChannelYUV channel);
                VETRESULT fromImage(vetFrameRGB24& img, vetFrameRGB24::ChannelRGB channel);


                unsigned int* dumpFrequency() { return freqHist; };
                float* dumpProbabilities() { return probHist; };


                vetHist& operator = (vetHist& rvalue);

                int getValBandWidth() { return valBandwidth; };
                unsigned int getMinFrequencyValue() { return freqMin; };
                unsigned int getMaxFrequencyValue() { return freqMax; };
                float getMinProbabilityValue() { return probMin; };
                float getMaxProbabilityValue() { return probMax; };

                VETRESULT extractProbs();
                float extractDifference(vetHist *compareHist);

                unsigned int getValCount() { return valCount; };

                //Return sample mean
                float getMean() const;
                //Return sample variance
                float getVariance() const;


                VETRESULT drawGraph(vetFrameRGB24& img);


                VETRESULT saveToXML(char const* filename);
                VETRESULT loadFromXML(char const* filename);

 };



#endif //__VETLIB_VETHIST_H__

---