diff --git a/OpenCV/Form1.cs b/OpenCV/Form1.cs
index 1570313..818cf34 100644
--- a/OpenCV/Form1.cs
+++ b/OpenCV/Form1.cs
@@ -39,7 +39,7 @@ namespace OpenCV
                 OpenCVClass Converter = new OpenCVClass();
 
                 pictureBoxIpl1.ImageIpl = src;
-                pictureBoxIpl2.ImageIpl = Converter.DrawImage();
+                pictureBoxIpl2.ImageIpl = Converter.HSVRed(src);
             }
             catch (Exception ex)
             {
diff --git a/OpenCV/OpenCVClass.cs b/OpenCV/OpenCVClass.cs
index 56bfad1..7d9c3a5 100644
--- a/OpenCV/OpenCVClass.cs
+++ b/OpenCV/OpenCVClass.cs
@@ -18,6 +18,8 @@ namespace OpenCV
         IplImage affine;
         IplImage perspective;
         IplImage draw;
+        IplImage hsv;
+        IplImage hsvRed;
 
         public IplImage GrayScale(IplImage src)
         {
@@ -133,11 +135,68 @@ namespace OpenCV
             Cv.DrawCircle(draw, new CvPoint(200, 200), 50, CvColor.Red, -1);
             Cv.DrawRect(draw, new CvPoint(300, 150), new CvPoint(500, 300), CvColor.Green, 5);
             Cv.DrawEllipse(draw, new CvPoint(150, 400), new CvSize(100, 50), 0, 90, 360, CvColor.Green, -1);
-            Cv.PutText(draw, "Open CV 오?", new CvPoint(400, 400), new CvFont(FontFace.HersheyComplex, 1, 1), CvColor.White);
+            Cv.PutText(draw, "Open CV", new CvPoint(400, 400), new CvFont(FontFace.HersheyComplex, 1, 1), CvColor.White);
 
             return draw;
         }
 
+        public IplImage HSV(IplImage src)
+        {
+            hsv = new IplImage(src.Size, BitDepth.U8, 3);
+
+            IplImage h = new IplImage(src.Size, BitDepth.U8, 1);
+            IplImage s = new IplImage(src.Size, BitDepth.U8, 1);
+            IplImage v = new IplImage(src.Size, BitDepth.U8, 1);
+
+            Cv.CvtColor(src, hsv, ColorConversion.BgrToHsv);
+            Cv.Split(hsv, h, s, v, null);
+            
+            hsv.SetZero();
+
+            // Hue
+            //Cv.InRangeS(h, 20, 30, h); // Yellow
+            //Cv.Copy(src, hsv, h);
+
+            // Hue - Red
+            IplImage lowerRed = new IplImage(src.Size, BitDepth.U8, 1);
+            IplImage upperRed = new IplImage(src.Size, BitDepth.U8, 1);
+            IplImage red = new IplImage(src.Size, BitDepth.U8, 1);
+            Cv.InRangeS(h, 0, 10, lowerRed);
+            Cv.InRangeS(h, 170, 179, upperRed);
+            Cv.AddWeighted(lowerRed, 1.0, upperRed, 1.0, 0.0, red);
+            Cv.Copy(src, hsv, red);
+
+            // Saturation
+            //Cv.InRangeS(s, 20, 30, s);
+            //Cv.Copy(src, hsv, s);
+
+            // Value
+            //Cv.InRangeS(v, 20, 30, v);
+            //Cv.Copy(src, hsv, v);
+
+            return hsv;
+        }
+
+        public IplImage HSVRed(IplImage src)
+        {
+            hsv = new IplImage(src.Size, BitDepth.U8, 3);
+
+            IplImage lowerRed = new IplImage(src.Size, BitDepth.U8, 1);
+            IplImage upperRed = new IplImage(src.Size, BitDepth.U8, 1);
+            IplImage red = new IplImage(src.Size, BitDepth.U8, 1);
+
+            Cv.CvtColor(src, hsv, ColorConversion.BgrToHsv);
+
+            Cv.InRangeS(hsv, new CvScalar(0, 100, 100), new CvScalar(10, 255, 255), lowerRed);
+            Cv.InRangeS(hsv, new CvScalar(170, 100, 100), new CvScalar(179, 255, 255), upperRed);
+            Cv.AddWeighted(lowerRed, 1.0, upperRed, 1.0, 0.0, red);
+
+            hsv.SetZero();
+            Cv.Copy(src, hsv, red);
+
+            return hsv;
+        }
+
         private void Release(params IplImage[] images)
         {
             for (int i = 0; i < images.Length; i++)
@@ -162,7 +221,9 @@ namespace OpenCV
                 rotate,
                 affine,
                 perspective,
-                draw
+                draw,
+                hsv,
+                hsvRed
                 );
         }
     }