opencv Mat相关轮子

• opencv Mat数据类型相关说明：https://www.jianshu.com/p/204f292937bb，感谢大佬
• opencv Mat中dim和channel的区别：https://blog.csdn.net/chengde6896383/article/details/83444874

• code_example1:使用0-255内的随机整数初始化一个Mat，来源：https://stackoverflow.com/questions/45801645/create-a-random-colour-image-in-opencv

#include "opencv2/core.hpp"
#include "opencv2/imgproc.hpp"
#include "opencv2/highgui.hpp"

using namespace cv;

int main(int argc, char** argv)
{
    Mat img(100, 100, CV_8UC3);
    randu(img, Scalar(0, 0, 0), Scalar(255, 255, 255));

    imshow("random colors image", img);
    waitKey();

    return 0;
}