opencv （opencv3.X） IplImage相互转换mat

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opencv3.x之前的版本，mat有构造函数 Mat(const IplImage* img, bool copyData=false);
IplImage转mat可以直接用由

extern  IplImage * plpliamge；//plpliamge已创建 cv::Mat matImage( IplImage, 0  ): //第二个参数表示不进行像素数据copy；

实现IplImage转为mat

但是在opencv3.x中，Mat(const IplImage* img, bool copyData=false);构造函数取消了，所以只能另辟蹊径啦！下面是在3.x中可行办法：

1. IplImage to cv::Mat example program

 #include "opencv2/highgui/highgui.hpp"   #include <iostream>   #include <stdio.h>   using namespace std;   using namespace cv;   int main(int argc,      char *argv[]    )   {   ///Loading image to IplImage   IplImage *img=cvLoadImage(argv[1]);   cvShowImage("Ipl",img);   ///converting IplImage to cv::Mat   Mat image=cvarrToMat(img);   imshow("Mat",image);   waitKey();   return 0;   }

2. cv::Mat to IplImage example program

 #include "opencv2/highgui/highgui.hpp"   #include <iostream>   #include <stdio.h>   using namespace std;   using namespace cv;   int main(int argc,    char *argv[]    )   {   ///Reading Image to cv::Mat   Mat image =imread(argv[1],1);   ///Converting Mat to IplImage   IplImage test = image;   ///showing image from mat   imshow("Mat",image);   ///showing image from IplImage   cvShowImage("Ipl",&test);   waitKey();   return 0;   }

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