RGIIntegralImage.h

#ifndef RGI_INTEGRALIMAGE_HEADER
#define RGI_INTEGRALIMAGE_HEADER

#define NUM_RGI_BINS    9

#include "IntegralImage.h"

class RGIIntegralImage : public IntegralImage {
public:
    RGIIntegralImage(const cv::Mat &img);
    RGIIntegralImage(int w, int h);
    ~RGIIntegralImage();

    void CalculateInt(const cv::Mat &img);

    void GetSum(const Rect &roi, float *result) const;

private:

    unsigned int *intImage;

    cv::Mat gray;

    int step;

    inline int FindBin(uchar x) {
        if (x <= 85)
            return 0;
        if (x <= 170)
            return 1;
        return 2;
    }

};

#endif