opencv2学习- - - 图像的基本操作

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

using namespace std;
using namespace cv;  

int main(int argc, int* argv[])  
{  
    Mat image = imread("lena.bmp");
 
    namedWindow("原图像");
    imshow(" image ",image);  
    
    waitKey(6000);  
    return 0;     
} 

/*
        将一副图像转成灰度图像
*/ 
 
#include <iostream>  
#include <cv.h>    
#include <opencv2/core/core.hpp>  
#include <opencv2/highgui/highgui.hpp>
 
using namespace std;
using namespace cv;  
 
int main(int argc, int* argv[])  
{  
    Mat image = imread("lena.bmp");
    Mat    grayimg;
    
    cvtColor(image, grayimg, CV_RGB2GRAY); 
     
    imshow(" image1 ",image);  
    imshow(" grayimg ",grayimg);  
 
    waitKey(6000);  
    return 0;     
}