#include<cv.h>

#include<highgui.h>

using namespace cv;

int main()

{

    Mat image1=imread("1.jpg");

    Mat image2=imread("2.jpg");

    if (image1.empty() || image2.empty())

    {

        printf("open error");

        return ;

    }

    //push_back 方法将图像2拷贝到图像1的最后一行

    Mat img_merge;

    img_merge.push_back(image1);

    img_merge.push_back(image2);

    namedWindow("img_merge", );

    imshow("img_merge", img_merge);

    waitKey();

    return ;

}

#include<cv.h>

#include<highgui.h>

using namespace cv;

int main()

{

    Mat image1=imread("1.jpg");

    Mat image2=imread("2.jpg");

    if (image1.empty() || image2.empty())

    {

        printf("open error");

        return ;

    }

    //1.新建一个要合并的图像

    Mat img_merge;

    Size size(image1.cols + image2.cols, MAX(image1.rows, image1.rows));

    img_merge.create(size, CV_MAKETYPE(image1.depth(), ));

    img_merge = Scalar::all();

    Mat outImg_left, outImg_right;

    //2.在新建合并图像中设置感兴趣区域

    outImg_left = img_merge(Rect(, , image1.cols, image1.rows));

    outImg_right = img_merge(Rect(image1.cols, , image1.cols, image1.rows));

    //3.将待拷贝图像拷贝到感性趣区域中

    image1.copyTo(outImg_left);

    image2.copyTo(outImg_right);

    namedWindow("image1", );

    imshow("image1", img_merge);

    waitKey();

    return ;

}