OpenCV trên C# - EmguCV Bài 1: LOAD FILE ẢNH VÀ HIỂN THỊ SANG B,R,G AND GRAY IMAGE

Tạo project C# với EmguCV

• Cài đặt EmguCV Install
• Tạo 1 Picture Box và 6 Button ( trong hộp Toolbox )
• File Ảnh

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 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116

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.CV.Structure; using Emgu.CV.UI; using Emgu.Util; namespace EmguCV { public partial class Form1 : Form { Image<Bgr, Byte> img; void color(Image<Bgr, Byte> src, int channel1, int channel2) { for (int i = 0; i < src.Rows; i++) { for (int j = 0; j < src.Cols; j++) { src.Data[i, j, channel1] = 0; src.Data[i, j, channel2] = 0; } } } public Form1() { InitializeComponent(); } private void Form1_Load(object sender, EventArgs e) { } private void button1_Click(object sender, EventArgs e) { OpenFileDialog Openfile = new OpenFileDialog(); if (Openfile.ShowDialog() == DialogResult.OK) { img = new Image<Bgr, byte>(Openfile.FileName); if (img.Size.Width >= 1200 && img.Size.Height >= 600) { img = img.Resize(0.7,Emgu.CV.CvEnum.INTER.CV_INTER_LINEAR); } pictureBox1.Image = img.ToBitmap(); button1.Location = new Point(img.Cols / 6, img.Rows + 10); exit_bt.Location = new Point(2 * img.Cols / 3, img.Rows + 10); pictureBox1.Size = img.Size; blue_bt.Location = new Point(img.Cols + 40, 10); red_bt.Location = new Point(img.Cols + 40, 80); green_bt.Location = new Point(img.Cols + 40, 150); gray_bt.Location = new Point(img.Cols + 40, 220); ori_bt.Location = new Point(img.Cols + 40, 290); //Image My_Image = Image.FromFile(Openfile.FileName); //pictureBox1.Image = My_Image } } private void pictureBox1_Click(object sender, EventArgs e) { } private void button2_Click(object sender, EventArgs e) { Image<Bgr, Byte> blue_img; blue_img = img.Clone(); color(blue_img, 1, 2); ; pictureBox1.Image = blue_img.ToBitmap(); } private void button3_Click(object sender, EventArgs e) { Image<Bgr, Byte> red_img; red_img = img.Clone(); color(red_img, 0, 1); pictureBox1.Image = red_img.ToBitmap(); } private void button5_Click(object sender, EventArgs e) { Image<Gray, Byte> gray_image = img.Convert<Gray, byte>(); pictureBox1.Image = gray_image.ToBitmap(); } private void button4_Click(object sender, EventArgs e) { Image<Bgr, Byte> green_img; green_img = img.Clone(); color(green_img, 0, 2); pictureBox1.Image = green_img.ToBitmap(); } private void button2_Click_1(object sender, EventArgs e) { pictureBox1.Image = img.ToBitmap(); } private void exit_bt_Click(object sender, EventArgs e) { Application.Exit(); } } }