2020.6.14P54将RGB彩色图像转换为多通道Mat
//cvp52
#include <opencv2/core.hpp>
#include <opencv2/highgui.hpp>
using namespace cv;
#include <iostream>
using namespace std;
int main(int argc, char *argv[])
{
//Mat img = imread(argv[1],CV_LOAD_IMAGE_GRAYSCALE);
Mat img = imread(argv[1], CV_LOAD_IMAGE_COLOR);
if (img.empty())
return -1;
string winname = "txwtech原图";
namedWindow(winname,WINDOW_AUTOSIZE);
imshow(winname,img);
vector<Mat> planes;
split(img,planes);
imshow("B",planes[0]);
imshow("G",planes[1]);
imshow("R",planes[2]);
waitKey(0);//k要大写的K
//把exe文件与图片文件放在同一个文件夹。即可运行看到效果
//打开cmd.exe
//cd D:\Users\TT2018\source\repos\cvp52\x64\Debug
//D:\Users\TT2018\source\repos\cvp52\x64\Debug>cvp52.exe 111.png
}