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VideoSeg.h

/*
 *  Video Segmentation
 *
 *  Copyright (c) 2000, TNO TPD, The Netherlands.
 *  All rights reserved. No part of this software may be handed to or used by persons 
 *  or organisation outside Kenniscentrum Watergraafsmeer (UvA-ISIS, TNO TPD) without 
 *  the written permission of TNO TPD.
 *
 *  Author(s):
 *      Jan Baan (baan@tpd.tno.nl)
 *
 */

/*
 * JV (07Nov02) added printToScreen functionality to avoid long list of frame numbers as output
 * JV (07Nov02) added setVerbose fucntion
 */

#ifndef VideoSeg_h
#define VideoSeg_h

#include "HxImageSeq.h"
#include "BaseClass.h"
#include "vector"
#include "HxException.h"
#include "CounterConstDestr.h"
#include "VxSegmentList.h"

#define DEFAULT_CTlengthSlidWind 3 //5
//#define DEFAULT_CTproportion 3 //2.5    
#define DEFAULT_CTproportion 1.73 // sqrt(3)    
//#define DEFAULT_CTthreshold 0.1 // 0.2
#define DEFAULT_CTthreshold 0.32 // sqrt(0.1)
#define DEFAULT_FrameDiffOverlap 10

#define DEFAULT_frameDiffNumDeltaF 6 // Delta F = [1 2 4 8 ...]

//#define DEFAULT_TRthreshold 0.7 //0.8
#define DEFAULT_TRthreshold 0.84 //sqrt(0.7)
//#define DEFAULT_TRthreshold2 0.4
#define DEFAULT_TRthreshold2 0.63 // sqrt(0.4)
#define DEFAULT_TRmaxDivMax 2
#define DEFAULT_TRdeltaF 4

#define numberOfHistogramValues 64 //256


//#define frameWidth FrameWidth
//#define frameHeight FrameHeight
#define doubl double
//#define nrFrames NumOfFrames

class VideoSeg : public BaseClass, public CounterConstDestr<VideoSeg>
{
    public:
        //VideoSeg() {}

        VideoSeg(const char *filename);

        VideoSeg(const HxImageSeq _Seq);

        ~VideoSeg() { };

        VxSegmentList           ToVxSegmentList();

        void FindCut(const int CTlengthSlidWind     = DEFAULT_CTlengthSlidWind, 
            const double CTproportion               = DEFAULT_CTproportion, 
            const double CTthreshold                = DEFAULT_CTthreshold);
        int GetNumberOfCuts() const;
        int GetCuts(const int index) const;

        
        void FindTrans(const double TRthreshold     = DEFAULT_TRthreshold, 
            const double TRthreshold2               = DEFAULT_TRthreshold2, 
            const int TRdeltaF                      = DEFAULT_TRdeltaF, 
            const double TRmaxDivMax                = DEFAULT_TRmaxDivMax);
        int GetNumberOfTrans() const;
        int GetTrans(const int index) const;
        int GetTransLength(const int index) const;


        void SaveFrameDiff(const char *filename) const; 
        void LoadFrameDiff(const char *filename); 
        
        void CalcFrameDiffGray();

        /***
         Added by JV, 07Nov02        
        ***/
        void        setVerbose(int val)
                    {_modeVerbose=val;}
    private:
        void Init();

        HxImageSeq seq;
        
        int frameDiffNumDeltaF;
        std::vector<double> frameDiff;

        double GetFrameDiff(const int frame, const int deltaF=0) const;
        void CalcFrameDiff();
        bool isCalcFrameDiff;

        void SanityCheck() const;

        std::vector<int> CTindex;
        bool CTisProcessed;
        
        std::vector<int> TRindex;
        std::vector<int> TRlength;
        bool TRisProcessed;

        /***
         Added by JV, 07Nov02, for controlling screen output statements      
        ***/
        int         _modeVerbose; // 0==full verbose, 1==none, 2==summary
        void printToScreen(int frameNumber);
};


#endif

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