OpenCV学习笔记（三）：多通道图像分离与混合运算：split()用于分离图像通道, merge()用于将多个通道合并

    #include <opencv2/opencv.hpp>
    
    #define BRG_BLUE_CHANNEL 0
    #define BRG_GREEN_CHANNEL 1
    #define BRG_RED_CHANNEL 2
    
    using namespace cv;
    
    int main(int argc, char *argv[])
    {
    QCoreApplication a(argc, argv);
    if(MultiChannelBlending(BRG_BLUE_CHANNEL)&MultiChannelBlending(BRG_GREEN_CHANNEL)&MultiChannelBlending(BRG_RED_CHANNEL))
    {
        cout << endl << "\n运行成功，得出了需要的图像~! ";
    }
    waitKey(0);
    
    return a.exec();
    }