OpenCV将图像分离为rgb,hls,hsv通道并显示

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#include<opencv2/opencv.hpp>
#include<opencv2/highgui.hpp>
#include<opencv2/imgproc.hpp>
#include<iostream>

using namespace std;
using namespace cv;
int main()
{
    Mat img;
       img = imread("11.png");

    if (img.empty())
    {
        cout << "could not load image!" << endl;
    }
    Mat img_bgr,img_hsv, img_hls;
    cvtColor(img, img_hsv, COLOR_BGR2HSV);
    cvtColor(img, img_hls, COLOR_BGR2HLS);
    img_bgr = img.clone();
    vector<Mat> hsvSplit;
    vector<Mat> hlsSplit;
    vector<Mat> bgrSplit;
    split(img_hsv, hsvSplit);
    split(img_hls, hlsSplit);
    split(img_bgr, bgrSplit);
    Mat hsv_h = hsvSplit[0];
    Mat hsv_s = hsvSplit[1];
    Mat hsv_v = hsvSplit[2];
    Mat hls_h = hlsSplit[0];
    Mat hls_l = hlsSplit[1];
    Mat hls_s = hlsSplit[2];
    Mat bgr_b = bgrSplit[0];
    Mat bgr_g = bgrSplit[1];
    Mat bgr_r = bgrSplit[2];
    imshow("hsv_h", hsv_h);
    imshow("hsv_s", hsv_s);
    imshow("hsv_v", hsv_v);
    imshow("hls_h", hls_h);
    imshow("hls_l", hls_l);
    imshow("hls_s", hls_s);
    imshow("bgr_b", bgr_b);
    imshow("bgr_g", bgr_g);
    imshow("bgr_r", bgr_r);
    waitKey(0);
      return 1;

}