COpenCvSharp 去除字母后面的杂线

项目

代码

using OpenCvSharp;

using System;

using System.Drawing;

using System.Windows.Forms;

namespace OpenCvSharp_Demo

{

public partial class frmMain : Form

{

public frmMain

{

InitializeComponent;

}

string image_path = "";

private void Form1_Load(object sender, EventArgs e)

{

image_path = "1.jpg";

pictureBox1.Image = new Bitmap(image_path);

}

private void button2_Click(object sender, EventArgs e)

{

Mat gray = new Mat(image_path, ImreadModes.Grayscale);

Mat binary = new Mat;

Cv2.AdaptiveThreshold(~gray, binary, 255, AdaptiveThresholdTypes.MeanC, ThresholdTypes.Binary, 15, -2);

Mat kernel = Cv2.GetStructuringElement(MorphShapes.Rect, new OpenCvSharp.Size(4, 4), new OpenCvSharp.Point(-1, -1));

//开运算

Mat dst = new Mat;

Cv2.MorphologyEx(binary, dst, MorphTypes.Open, kernel);

pictureBox2.Image = new Bitmap(dst.ToMemoryStream);

}

}

}