From afd3972c6f01256055da0a00b2887a81df0739d4 Mon Sep 17 00:00:00 2001
From: Carter <carter.essen@yahoo.com>
Date: Mon, 17 Aug 2026 11:18:11 -0400
Subject: [PATCH] New sharpen filter and a new option to select the filter

---
 src/program.cs      |  4 ++++
 src/videoFilters.cs | 45 +++++++++++++++++++++++++++++++++++++++++----
 2 files changed, 45 insertions(+), 4 deletions(-)

diff --git a/src/program.cs b/src/program.cs
index 91cea9b..16daa75 100644
--- a/src/program.cs
+++ b/src/program.cs
@@ -23,6 +23,10 @@ namespace VideoProcessor
                     Filters edges = new Filters();
                     edges.Edges();
                     break;
+                case "sharpen":
+                    Filters sharpen = new Filters();
+                    sharpen.Sharpen();
+                    break;
 
                 default:
 
diff --git a/src/videoFilters.cs b/src/videoFilters.cs
index 01afa08..d82f519 100644
--- a/src/videoFilters.cs
+++ b/src/videoFilters.cs
@@ -8,11 +8,12 @@ namespace VideoProcessor
     class Filters
     {   
         /// <summary>
-        /// 
+        /// Creates a grey scale image and every pixel with a vule inside a range is changed to blue and 
+        /// every other pixel is changed to green
         /// </summary>
         public void ColorSwap()
         {
-            VideoCapture capture = new VideoCapture();
+            VideoCapture capture = new VideoCapture(0);
             Mat frame = new();
             bool pause = false;
 
@@ -56,11 +57,11 @@ namespace VideoProcessor
         }
 
         /// <summary>
-        /// 
+        /// Uses canny edge ditection to find and display all the edges in a frame
         /// </summary>
         public void Edges()
         {
-            VideoCapture capture = new VideoCapture();
+            VideoCapture capture = new VideoCapture(0);
             Mat feed = new Mat();
             Mat guassianBlur = new Mat();
             Mat cannyFeed = new Mat();
@@ -87,5 +88,41 @@ namespace VideoProcessor
                 }
             }
         }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        public void Sharpen()
+        {
+            VideoCapture capture = new();
+            Mat feed = new();
+            Mat sharpendFeed = new();
+            
+            bool play = false;
+
+            float[,] kernalArray = new float[3, 3]
+            {
+                {  0, -1,  0},
+                { -1,  5, -1},
+                {  0, -1,  0}
+            };
+
+            ConvolutionKernelF kernal = new ConvolutionKernelF(kernalArray);
+
+            while(!play)
+            {
+                capture.Read(feed);
+
+                CvInvoke.Filter2D(feed, sharpendFeed, kernal, new Point(0, 0));
+
+                CvInvoke.Imshow("Sharpend Video", sharpendFeed);
+
+                int keyPressed = CvInvoke.WaitKey(1);
+                if (keyPressed == 27)
+                {
+                    play = true;
+                }
+            }
+        }
     }
 }    
\ No newline at end of file