openCV 显示图片

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#include "opencv2/core.hpp"
#include "opencv2/highgui.hpp"
#include "opencv2/imgproc.hpp"
#include "opencv2/videoio.hpp"
#include <iostream>

using namespace std;
using namespace cv;

int main(int argc, char **argv)
{
    if (argc < 1)
    {
        cout << "argc less 1"<<endl;
        //return 0;
    }

    IplImage *img = cvLoadImage(argv[1]);
    cvNamedWindow("WIND0", CV_WINDOW_AUTOSIZE);
    cvShowImage("WIND0", img);
    cvWaitKey(0);
    cvReleaseImage(&img);
    cvDestroyWindow("WIND0");

    return 0;
}