#include <opencv2/opencv.hpp>
#include <vector>
#include <iostream>

typedef std::vector<cv::Point3f> VecPoint3f;
typedef std::vector<cv::Point2f> VecPoint2f;

cv::Mat GcvInitCameraMatrix2D(VecPoint3f objPts, VecPoint2f imgPts);

double GcvCalibrateCamera(VecPoint3f objPts, VecPoint2f imgPts,
                          cv::Size2i imgSize, cv::Mat cameraMatrix);