include <iostream>

#include <opencv2/highgui/highgui.hpp>  

using namespace cv;

using namespace std;  

int main()

{

    //①老版

    IplImage *pic = cvLoadImage("lena.jpg", );

    cvShowImage("load", pic);

    cvWaitKey();

    //②新版

    Mat img = imread("lena.jpg");

    imshow("read", img);

    waitKey();  

    return ;

}  

#include <cv.h>

#include "stdafx.h"

#include <opencv2\opencv.hpp>

using namespace cv;  

int _tmain(int argc, _TCHAR* argv[])

{

    VideoCapture capture;

    capture.open("E:\\Workspace\\OpenCV\\test\\video\\video.avi");

    while(true)

    {

        Mat frame;

        capture>>frame;  

        if (frame.empty())

{
          break;

}
          imshow("readvideo",frame);

        waitKey();

    }

     return ;

}