From 2b602b16e13991601601dc8ff6fbcaf4e3621282 Mon Sep 17 00:00:00 2001
From: syneffort <syneffort@gmail.com>
Date: Thu, 9 May 2024 17:22:53 +0900
Subject: [PATCH] corner GoodFeatureToTrack

---
 OpenCV/Forms/MainForm.Designer.cs | 13 ++++++++++++
 OpenCV/Forms/MainForm.cs          | 17 ++++++++++++++++
 OpenCV/OpenCV.csproj              |  1 +
 OpenCV/OpenCV/Corner.cs           | 34 +++++++++++++++++++++++++++++++
 4 files changed, 65 insertions(+)
 create mode 100644 OpenCV/OpenCV/Corner.cs

diff --git a/OpenCV/Forms/MainForm.Designer.cs b/OpenCV/Forms/MainForm.Designer.cs
index 20455a2..84d3cf6 100644
--- a/OpenCV/Forms/MainForm.Designer.cs
+++ b/OpenCV/Forms/MainForm.Designer.cs
@@ -34,6 +34,7 @@
             this.btnContour = new System.Windows.Forms.Button();
             this.btnScanContour = new System.Windows.Forms.Button();
             this.btnTest = new System.Windows.Forms.Button();
+            this.btnG2Track = new System.Windows.Forms.Button();
             this.SuspendLayout();
             // 
             // btnCanny
@@ -96,11 +97,22 @@
             this.btnTest.UseVisualStyleBackColor = true;
             this.btnTest.Click += new System.EventHandler(this.btnTest_Click);
             // 
+            // btnG2Track
+            // 
+            this.btnG2Track.Location = new System.Drawing.Point(122, 71);
+            this.btnG2Track.Name = "btnG2Track";
+            this.btnG2Track.Size = new System.Drawing.Size(102, 23);
+            this.btnG2Track.TabIndex = 0;
+            this.btnG2Track.Text = "Corner -G2T";
+            this.btnG2Track.UseVisualStyleBackColor = true;
+            this.btnG2Track.Click += new System.EventHandler(this.btnG2Track_Click);
+            // 
             // MainForm
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 12F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
             this.ClientSize = new System.Drawing.Size(470, 365);
+            this.Controls.Add(this.btnG2Track);
             this.Controls.Add(this.btnScanContour);
             this.Controls.Add(this.btnContour);
             this.Controls.Add(this.btnTest);
@@ -121,5 +133,6 @@
         private System.Windows.Forms.Button btnContour;
         private System.Windows.Forms.Button btnScanContour;
         private System.Windows.Forms.Button btnTest;
+        private System.Windows.Forms.Button btnG2Track;
     }
 }
\ No newline at end of file
diff --git a/OpenCV/Forms/MainForm.cs b/OpenCV/Forms/MainForm.cs
index 7bff73f..4dd5794 100644
--- a/OpenCV/Forms/MainForm.cs
+++ b/OpenCV/Forms/MainForm.cs
@@ -131,5 +131,22 @@ namespace OpenCV.Forms
 
             converter.Dispose();
         }
+
+        private void btnG2Track_Click(object sender, EventArgs e)
+        {
+            IplImage src = GetImage();
+            if (src == null)
+                return;
+
+            OpenCVClass converter = new OpenCVClass();
+            IplImage converted = converter.GoodFeaturesToTrack(src);
+
+            CVDialog dlg = new CVDialog();
+            dlg.Source = src;
+            dlg.Converted = converted;
+            dlg.ShowDialog();
+
+            converter.Dispose();
+        }
     }
 }
diff --git a/OpenCV/OpenCV.csproj b/OpenCV/OpenCV.csproj
index c1579e6..2ebd1f9 100644
--- a/OpenCV/OpenCV.csproj
+++ b/OpenCV/OpenCV.csproj
@@ -91,6 +91,7 @@
       <DependentUpon>MainForm.cs</DependentUpon>
     </Compile>
     <Compile Include="OpenCV\Contour.cs" />
+    <Compile Include="OpenCV\Corner.cs" />
     <Compile Include="OpenCV\Edge.cs" />
     <Compile Include="OpenCV\OpenCVClass.cs" />
     <Compile Include="Program.cs" />
diff --git a/OpenCV/OpenCV/Corner.cs b/OpenCV/OpenCV/Corner.cs
new file mode 100644
index 0000000..76c84f2
--- /dev/null
+++ b/OpenCV/OpenCV/Corner.cs
@@ -0,0 +1,34 @@
+using OpenCvSharp;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OpenCV.OpenCV
+{
+    internal partial class OpenCVClass
+    {
+        public IplImage GoodFeaturesToTrack(IplImage src)
+        {
+            _cvt = new IplImage(src.Size, BitDepth.U8, 3);
+            IplImage eigImage = new IplImage(src.Size, BitDepth.U8, 1);
+            IplImage tempImage = new IplImage(src.Size, BitDepth.U8, 1);
+
+            Cv.Copy(src, _cvt);
+            _gray = GrayScale(src);
+
+            CvPoint2D32f[] corners;
+            int cornerCount = 150;
+
+            Cv.GoodFeaturesToTrack(_gray, eigImage, tempImage, out corners, ref cornerCount, 0.01, 5);
+
+            for (int i = 0; i < cornerCount; i++)
+            {
+                Cv.DrawCircle(_cvt, corners[i], 3, CvColor.Red, 1);
+            }
+
+            return _cvt;
+        }
+    }
+}