
新增專案名稱 “CameraCapture”加入 references Emgu.CV Emgu.CV.UI Emgu.Util from directory C:\Emgu\emgucv-windows-universal-cuda 3.0.0.2158\bin
1: using System;
2: using System.Collections.Generic;
3: using System.ComponentModel;
4: using System.Data;
5: using System.Drawing;
6: using System.Linq;
7: using System.Text;
8: using System.Windows.Forms;
9:
10: using Emgu.CV;
11: using Emgu.CV.CvEnum;
12: using Emgu.CV.Structure;
13: using Emgu.Util;
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以下為EMGU Multiple Face Recognition using PCA and Parallel Optimisation筆記在此, 我會試著用 libemgucv-windows-universal-cuda-2.4.10.1940版本測試, 因為在上去3.0版本並不支援FaceRecognizer==========================================================
如果你是第一次使用Emgu CV, 請參考Creating Your First EMGU Image Processing Project article人臉辨識是以Multiple face detection and recognition in real time為基礎
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以下是我研究這篇技術文件的筆記 Emgu CV -Select ROI (Region Of Interest) With Mouse C#
修改部分1. 多了一個影像備份(Clone), 加快裁剪的速度; 原作者是從檔案直接再讀一次, 當載入的圖片比較大(如8192x8192)時就會發現速度超慢!2. 下圖中最右邊, 裁剪的影像外框會有紅色ROI, 已經拿掉 展示人機介面如下:1. 先拉一個splitContainer(水平), 在拉兩個splitContainer(垂直)
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加入索引標籤, 輸入 EmguCV選擇項目.NET Framework元件頁面, 點選<瀏覽>C:\Emgu\emgucv-windows-universal-cuda 3.0.0.2158\bin選擇Emgu.Util.dll開啟後, 可以在EmguCV看到新增的四個.NET framework元件
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Emgu CV版本: libemgucv-windows-universal-cuda-3.0.0.2158
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3xN陣列, 每一列的長度隨機
1: int[][] x = new int[3][];
2: Random r = new Random();
3: for (int i = 0; i < x.Length; i++)
4: { 5: int len = r.Next() % 5 + 1;
6: x[i] = new int[len];
7: Console.WriteLine("i = {0}, len = {1}", i, len); 8: for (int j = 0; j < x[i].Length; j++)
9: { 10: x[i][j] = r.Next() % 10;
11: Console.WriteLine("x[{0}][{1}] = {2}", i, j, x[i][j]); 12: }
13: }
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1 public class iArray : IComparable
2 {
3 private int x, y;
4 public iArray()
5 {
6 x = 0; y = 0;
7 }
8 public iArray(int ix, int iy)
9 {
10 x = ix;
11 y = iy;
12 }
13 public void Show()
14 {
15 Console.WriteLine("({0}.{1})", x, y);
16 }
17 int IComparable.CompareTo(object obj)
18 {
19 iArray v = (iArray)obj;
20 return (x * x + y * y) - (v.x * v.x + v.y * v.y);
21 }
22 }
測試
1 class Program
2 {
3 static void Main(string[] args)
4 {
5 iArray[] vec = { new iArray(20, 10),
6 new iArray(50, 20),
7 new iArray(90, 40),
8 new iArray(10, 10),
9 new iArray(40, 30)};
10 Console.WriteLine("排序前...");
11 foreach (iArray v in vec)
12 {
13 v.Show();
14 }
15
16 Console.WriteLine("排序後(ascending)...");
17 Array.Sort(vec);
18 foreach (iArray v in vec)
19 {
20 v.Show();
21 }
22 Console.WriteLine("排序後(descending)...");
23 Array.Reverse(vec);
24 foreach (iArray v in vec)
25 {
26 v.Show();
27 }
28
29 Console.Read();
30 }
31 }
1 public class iArray : IComparable
2 {
3 private int x, y;
4 public iArray()
5 {
6 x = 0; y = 0;
7 }
8 public iArray(int ix, int iy)
9 {
10 x = ix;
11 y = iy;
12 }
13 public void Show()
14 {
15 Console.WriteLine("({0}.{1})", x, y);
16 }
17 int IComparable.CompareTo(object obj)
18 {
19 iArray v = (iArray)obj;
20 return (x * x + y * y) - (v.x * v.x + v.y * v.y);
21 }
22 }
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virtual 虛擬方法,若希望或預料到基礎類別的這個方法在將來的衍生類別中會被覆寫(override),則此方法必須被聲明為 virtual。
1 class Employee
2 {
3 protected int m_salary;
4 public virtual int Salary
5 {
6 get
7 {
8 return m_salary;
9 }
10 set
11 {
12 if (value >= 22000 & value <= 42000)
13 {
14 m_salary = value;
15 }
16 else
17 {
18 if (value < 22000)
19 m_salary = 22000;
20 else
21 m_salary = 42000;
22 }
23 }
24 }
25 public void showTotal()
26 {
27 Console.WriteLine("實領薪水{0}", m_salary);
28 }
29 }
Operator薪水繼承Employee, 基本上薪水上下限的規則不變(與父類別相同)
1 class Operator : Employee
2 {
3 public override int Salary
4 {
5 get
6 {
7 return base.Salary;
8 }
9 set
10 {
11 if (value >= 22000 & value <= 42000)
12 {
13 m_salary = value;
14 }
15 else
16 {
17 if (value < 22000)
18 m_salary = 22000;
19 else
20 m_salary = 42000;
21 }
22 }
23 }
24 }
1 class Operator : Employee
2 {
3 public override int Salary
4 {
5 get
6 {
7 return base.Salary;
8 }
9 set
10 {
11 base.Salary = value;
12 }
13 }
14 }
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試用版 Evaluation Applications Open_eVision_Eval_1_2_5_8535.exe 須先註冊一個帳號, 登錄後才能下載檔案
| |
| 支援作業系統 
| |
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1: public abstract class CompressAlg
2: { 3: public abstract void Compress();
4: public abstract void Uncompress();
5: ~CompressAlg()
6: { 7: MessageBox.Show("Object release", "~FileProcessor()"); 8: }
9: }
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