From 0b574b73425dc009c18d6d2b6197870b8416d9fa Mon Sep 17 00:00:00 2001
From: syneffort <syneffort@gmail.com>
Date: Sat, 11 Jun 2022 08:51:46 +0900
Subject: [PATCH] inversion, binary

---
 OpenCV/Form1.cs       |  3 ++-
 OpenCV/OpenCVClass.cs | 20 ++++++++++++++++++++
 2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/OpenCV/Form1.cs b/OpenCV/Form1.cs
index 4930c31..b46e37a 100644
--- a/OpenCV/Form1.cs
+++ b/OpenCV/Form1.cs
@@ -39,7 +39,8 @@ namespace OpenCV
                 OpenCVClass Converter = new OpenCVClass();
 
                 pictureBoxIpl1.ImageIpl = src;
-                pictureBoxIpl2.ImageIpl = Converter.GrayScale(src);
+                //pictureBoxIpl2.ImageIpl = Converter.InversionImage(src);
+                pictureBoxIpl2.ImageIpl = Converter.Binary(src);
             }
             catch (Exception ex)
             {
diff --git a/OpenCV/OpenCVClass.cs b/OpenCV/OpenCVClass.cs
index 631d08b..c9ef521 100644
--- a/OpenCV/OpenCVClass.cs
+++ b/OpenCV/OpenCVClass.cs
@@ -6,6 +6,8 @@ namespace OpenCV
     class OpenCVClass : IDisposable
     {
         IplImage gray;
+        IplImage inversion;
+        IplImage bin;
 
         public IplImage GrayScale(IplImage src)
         {
@@ -14,10 +16,28 @@ namespace OpenCV
             return gray;
         }
 
+        public IplImage InversionImage(IplImage src)
+        {
+            inversion = new IplImage(src.Size, BitDepth.U8, 3);
+            Cv.Not(src, inversion);
+            return inversion;
+        }
+
+        public IplImage Binary(IplImage src)
+        {
+            bin = GrayScale(src);
+            Cv.Threshold(bin, bin, 150, 255, ThresholdType.Binary);
+            return bin;
+        }
+
         public void Dispose()
         {
             if (gray != null)
                 Cv.ReleaseImage(gray);
+            if (inversion != null)
+                Cv.ReleaseImage(inversion);
+            if (bin != null)
+                Cv.ReleaseImage(bin);
         }
     }
 }