c# OpenCvSharp 形态学处理 膨胀 腐蚀 MorphologyEx Erode Dilate

可以用Cv2.MorphologyEx 形态学处理。

也可以用Cv2.Erode 腐蚀 或 Cv2.Dilate 膨胀。

using OpenCvSharp;
using OpenCvSharp.Extensions;
using DlibDotNet;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace app
{
    public partial class FrmMain : Form
    {
        public FrmMain()
        {
            InitializeComponent();
        }

        /// <summary>
        /// 腐蚀
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnErode_Click(object sender, EventArgs e)
        {
            Mat src = Cv2.ImRead(@"img\erode.bmp");
            Mat dest = new Mat();
            Mat kernel = Cv2.GetStructuringElement(MorphShapes.Rect, new OpenCvSharp.Size(5, 5), new OpenCvSharp.Point(-1, -1));
            // Erode 腐蚀
            //Cv2.MorphologyEx(src, dest, MorphTypes.Erode, kernel, new OpenCvSharp.Point(-1, -1), 5);
            Cv2.Erode(src, dest, kernel, new OpenCvSharp.Point(-1, -1), 5);

            Cv2.ImShow("原图", src);
            Cv2.ImShow("腐蚀", dest);
        }

        /// <summary>
        /// 膨胀
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnDilate_Click(object sender, EventArgs e)
        {
            Mat src = Cv2.ImRead(@"img\dilation.bmp");
            Mat dest = new Mat();
            Mat kernel = Cv2.GetStructuringElement(MorphShapes.Rect, new OpenCvSharp.Size(5, 5), new OpenCvSharp.Point(-1, -1));
            // Dilate 膨胀
            //Cv2.MorphologyEx(src, dest, MorphTypes.Dilate, kernel, new OpenCvSharp.Point(-1, -1), 1);
            Cv2.Dilate(src, dest, kernel, new OpenCvSharp.Point(-1, -1), 1);

            Cv2.ImShow("原图", src);
            Cv2.ImShow("膨胀", dest);
        }
    }
}