opencv 学习日志

1.图片读取

http://blog.csdn.net/hujingshuang/article/details/47184717

include <iostream>
#include <opencv2/highgui/highgui.hpp>  

using namespace cv;
using namespace std;  

int main()
{
    //①老版
    IplImage *pic = cvLoadImage("lena.jpg", 1);
    cvShowImage("load", pic);
    cvWaitKey(0);
    //②新版
    Mat img = imread("lena.jpg");
    imshow("read", img);
    waitKey(0);  

    return 0;
}