ZNCC.h

#ifndef MTF_ZNCC_H
#define MTF_ZNCC_H

#include "SSDBase.h"

_MTF_BEGIN_NAMESPACE

struct ZNCCParams : AMParams{
    bool debug_mode;
    ZNCCParams(const AMParams *am_params,
         bool _debug_mode);
    ZNCCParams(const ZNCCParams *params = nullptr);
};
// Zero mean Normalized Cross Correlation
class ZNCC : public SSDBase{
public:

    typedef ZNCCParams ParamType;

    ZNCC(const ParamType *ncc_params = nullptr, const int _n_channels = 1);
    void initializePixVals(const Matrix2Xd& curr_pts) override;
    void updatePixVals(const Matrix2Xd& curr_pts) override;
    double getLikelihood() const override;

protected:
    ParamType params;
    double I0_mean, I0_var, I0_std;
    double It_mean, It_var, It_std;

};

_MTF_END_NAMESPACE

#endif