#include <opencv/cv.h>
#include <opencv/highgui.h>
#include <cvblob.h>
#include <iostream>
using std::string;
#include <cstdlib>
class ImageProcessing
{
// ImageProcessing* ImgPtr;
private:
IplImage *img0, *img1;
IplImage* ReducImg;
IplImage* ReducImgColor;
CvSize imgSize;
CvPoint C1,C2;
public:
friend class CarVideoHandler;
ImageProcessing(void);
~ImageProcessing(void);
void checkZone(CvTracks::const_iterator ot, double position1, double position2, int **T1,int **T2,int **T3,int **T4, int &numCars, int dire, int p, string type,string dc, string dp);
void checkZoneOneLine(CvTracks::const_iterator ot, double position1, int **T1,int **T2, int &numCars, int dire, int p, string type, int **distance,string dc, string dp);
int CarOrPerson(long area, float wh, CvTracks::const_iterator ot, int *labelTrack[]);
string idTrackCarPerson(IplImage *colourImage1, int *labelTrack[], CvBlobs::const_iterator it, CvTracks::const_iterator ot, int percent, double lin, double position1, double position2, CvFont font, char* wow, int **T1, int **T2, int **T3, int **T4, int &numCars, int &numPersons, int *Xx, int *Xy, int *Yx, int *Yy, int *dire, int n, int m, int p,string dc, string dp);
};
Compiler is throwing error 'CvTrackers' has not been declared when I compile. The same function when I declare it outside the class the compiler was not throwing any error. But when I make it class member the compiler is throwing error. Guys help me to resolve this error.