c++ opencv多通道图像分离和合并

#include <iostream>
using namespace std;

#include "opencv.hpp"
using namespace cv;


int main()
{
    vector<Mat> channels;               //通道数组
    Mat srcImage = imread("1.jpg");     //载入图像

    split(srcImage, channels);          //分离通道

    Mat blueImage = channels.at(0);     //蓝色通道
    Mat greenImage = channels.at(1);    //绿色通道
    Mat redImage = channels.at(2);      //红色通道

    imshow("分离蓝色通道图像", blueImage);
    imshow("分离绿色通道图像", greenImage);
    imshow("分离红色通道图像", redImage);

    Mat mergeImage;
    merge(channels, mergeImage);    //合并图像
    imshow("合并图像", mergeImage);

    waitKey(0);

    return 0;
}