From 9e6ea4d313753b344116fef9f7163620db5c986b Mon Sep 17 00:00:00 2001
From: syneffort <syneffort@gmail.com>
Date: Sat, 11 Jun 2022 13:24:34 +0900
Subject: [PATCH] morphology (dilate, erode)

---
 OpenCV/Form1.cs       |  4 +++-
 OpenCV/OpenCVClass.cs | 54 ++++++++++++++++++++++++++++++++++++++++---
 2 files changed, 54 insertions(+), 4 deletions(-)

diff --git a/OpenCV/Form1.cs b/OpenCV/Form1.cs
index 818cf34..d896baa 100644
--- a/OpenCV/Form1.cs
+++ b/OpenCV/Form1.cs
@@ -39,7 +39,9 @@ namespace OpenCV
                 OpenCVClass Converter = new OpenCVClass();
 
                 pictureBoxIpl1.ImageIpl = src;
-                pictureBoxIpl2.ImageIpl = Converter.HSVRed(src);
+
+                //Converter.ConvKernel = new IplConvKernel(3, 3, 1, 1, ElementShape.Rect);
+                pictureBoxIpl2.ImageIpl = Converter.EDImage(src, 50, 10);
             }
             catch (Exception ex)
             {
diff --git a/OpenCV/OpenCVClass.cs b/OpenCV/OpenCVClass.cs
index efe543a..cc34f35 100644
--- a/OpenCV/OpenCVClass.cs
+++ b/OpenCV/OpenCVClass.cs
@@ -20,6 +20,9 @@ namespace OpenCV
         IplImage draw;
         IplImage hsv;
         IplImage hsvRed;
+        IplImage morp;
+
+        IplConvKernel convKernel;
 
         public IplImage GrayScale(IplImage src)
         {
@@ -35,10 +38,10 @@ namespace OpenCV
             return inversion;
         }
 
-        public IplImage Binary(IplImage src)
+        public IplImage Binary(IplImage src, int threshold)
         {
             bin = GrayScale(src);
-            Cv.Threshold(bin, bin, 150, 255, ThresholdType.Binary);
+            Cv.Threshold(bin, bin, threshold, 255, ThresholdType.Binary);
             return bin;
         }
 
@@ -206,6 +209,44 @@ namespace OpenCV
             }
         }
 
+        public IplImage DilateImage(IplImage src, int threshold, int iteration)
+        {
+            morp = new IplImage(src.Size, BitDepth.U8, 1);
+            bin = Binary(src, threshold);
+            Cv.Dilate(bin, morp, convKernel, iteration);
+
+            return morp;
+        }
+
+        public IplImage ErodeImage(IplImage src, int threshold, int iteration)
+        {
+            morp = new IplImage(src.Size, BitDepth.U8, 1);
+            bin = Binary(src, threshold);
+            Cv.Erode(bin, morp, convKernel, iteration);
+
+            return morp;
+        }
+
+        public IplImage DEImage(IplImage src, int threshold, int iteration)
+        {
+            morp = new IplImage(src.Size, BitDepth.U8, 1);
+            bin = Binary(src, threshold);
+            Cv.Dilate(bin, morp, convKernel, iteration);
+            Cv.Erode(morp, morp, convKernel, iteration);
+
+            return morp;
+        }
+
+        public IplImage EDImage(IplImage src, int threshold, int iteration)
+        {
+            morp = new IplImage(src.Size, BitDepth.U8, 1);
+            bin = Binary(src, threshold);
+            Cv.Erode(morp, morp, convKernel, iteration);
+            Cv.Dilate(bin, morp, convKernel, iteration);
+
+            return morp;
+        }
+
         public void Dispose()
         {
             Release(
@@ -223,8 +264,15 @@ namespace OpenCV
                 perspective,
                 draw,
                 hsv,
-                hsvRed
+                hsvRed,
+                morp
                 );
         }
+        
+        public IplConvKernel ConvKernel
+        {
+            get { return this.convKernel; }
+            set { this.convKernel = value; }
+        }
     }
 }