text: #pragma once
  #include<opencv2/opencv.hpp>
  using namespace cv;
  
  extern VideoCapture capture1, capture2;
  extern Mat frame1,frame2;
  
  
  void OpenCamera(void);
  //void OpenCameraOne(void);
  void CaptureOnce(Mat& img1, Mat& img2);
  void CaptureOnce3(Mat& img1, Mat& img2, Mat& img3);
  Mat CaptureOnceOne();
  void Capture3(Mat& img1, Mat& img2, Mat& img3);
  