Emgu CV (4) Example2

在pictureBox顯示原始圖、灰階圖、邊圓檢測圖。

1. 輸入範例程式，最後按"開始偵錯"按鈕進行編譯。

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39

using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms;   using Emgu.CV; using Emgu.Util; using Emgu.CV.Structure;   namespace WindowsFormsApplication5 {     public partial class Form1 : Form     {         public Form1()         {             InitializeComponent();         }           private void button1_Click(object sender, EventArgs e)         {             var dialog = new OpenFileDialog();             dialog.Filter = "photo(*.jpg/*.png/*.gif/*.bmp)|*.jpg;*.png;*.gif;*.bmp";             if (dialog.ShowDialog() == DialogResult.OK)             {                 var filename = dialog.FileName;                 Image<bgr, byte=""> My_Image = new Image<bgr, byte="">(filename);                 pictureBox1.BackgroundImage = My_Image.ToBitmap();                 Image<gray, byte=""> grayFrame = My_Image.Convert<gray, byte="">();                 pictureBox2.BackgroundImage = grayFrame.ToBitmap();                 pictureBox3.BackgroundImage = grayFrame.Canny(new Gray(100),  new Gray(60)).ToBitmap();             }         }     } }

2. 執行結果。