- #include <iostream>
- #include <opencv2/opencv.hpp> //头文件
- using namespace cv; //包含cv命名空间
- using namespace std;
- void main( )
- {
- Mat src1= imread("1.jpg");
- Mat dst;
- Mat dst2;
- cvtColor(src, dst, CV_BGR2GRAY);
- cvtColor(dst, dst2, CV_GRAY2BGR);
- imshow("dst2", dst2);
- cout << dst2.channels() << endl;
- waitKey(0);
- }
- //该片段来自于http://www.codesnippet.cn/detail/0312201514180.html
来源: http://www.codesnippet.cn/detail/0312201514180.html