OpenCVSharp 4.5 图像矩

用OpenCVSharp 4.5 跑一遍 OpenCV官方教程

原官方教程链接：OpenCV: Image Moments

核心函数：

• moments
• contourArea
• arcLength

using System;
using OpenCvSharp;

namespace ConsoleApp1
{
    class tutorial27 : ITutorial
    {
        static Mat src_gray = new Mat();
        static int thresh = 100;
        static RNG rng = new RNG(12345);

        public void Run()
        {
            Mat src = Cv2.ImRead("I:\\csharp\\images\\cartoons.jpg");