Added four new functions and three new pictures

This commit is contained in:
Carter Essen committed 2026-08-03 16:34:46 -04:00
1 parent 424280a29c
commit 3ed4f996e7
15 files changed
+142 -3

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@@ -1,9 +1,14 @@
using System; using System;
using System.Numerics;
using Emgu.CV; using Emgu.CV;
using Emgu.CV.Structure; using Emgu.CV.Structure;
using Emgu.CV.Util;
namespace ImageMinipulation { namespace ImageMinipulation {
/// <summary>
/// All programs are made using videos from (Programming with Chris) video seiress
/// </summary>
public class vanGoghFilters public class vanGoghFilters
{ {
/// <summary> /// <summary>
@@ -101,7 +106,7 @@ namespace ImageMinipulation {
} }
/// <summary> /// <summary>
/// /// Adds a sharpen filter to a picture based on an array
/// </summary> /// </summary>
public void Five() public void Five()
{ {
@@ -130,5 +135,123 @@ namespace ImageMinipulation {
CvInvoke.WaitKey(); CvInvoke.WaitKey();
} }
/// <summary>
/// Uses the sobel edge detection to output just the edges in the image
/// </summary>
public void Six()
{
Mat pic = CvInvoke.Imread("./img/iPhone.jpg");
Mat guassianBlur = new Mat();
Mat sobelX = new Mat();
Mat sobelY = new Mat();
Mat sobelXY = new Mat();
pic.CopyTo(sobelX);
pic.CopyTo(sobelY);
pic.CopyTo(sobelXY);
CvInvoke.GaussianBlur(pic, guassianBlur, new System.Drawing.Size(3, 3), 5.0);
CvInvoke.Sobel(guassianBlur, sobelX, Emgu.CV.CvEnum.DepthType.Default, 1, 0, 5);
CvInvoke.Sobel(guassianBlur, sobelY, Emgu.CV.CvEnum.DepthType.Default, 0, 1, 5);
CvInvoke.Sobel(guassianBlur, sobelXY, Emgu.CV.CvEnum.DepthType.Default, 1, 1, 5);
CvInvoke.Imshow("sobelX", sobelX);
CvInvoke.Imshow("sobelY", sobelY);
CvInvoke.Imshow("sobelXY", sobelXY);
CvInvoke.WaitKey();
}
/// <summary>
/// Uses the canny edge detection to output the edges in an image (this method can be a little sharper depending on the image)
/// </summary>
public void Seven()
{
Mat pic = CvInvoke.Imread("./img/iPhone.jpg");
Mat guassianBlur = new Mat();
Mat cannyPic = new Mat();
var averge = pic.ToImage<Gray, byte>().GetAverage();
var lowerthreshold = Math.Max(0, (1.0 - 0.33) * averge.Intensity);
var upperthreshold = Math.Max(255, (1.0 + 0.33) * averge.Intensity);
CvInvoke.GaussianBlur(pic, guassianBlur, new System.Drawing.Size(3, 3), 5.0);
CvInvoke.Canny(guassianBlur, cannyPic, lowerthreshold, upperthreshold, 3);
CvInvoke.Imshow("Canny", cannyPic);
CvInvoke.WaitKey();
}
/// <summary>
/// Makes a threshold image to tell us where the contours are then defines those contours with green lines and fills the contourd parts in with blue
/// </summary>
public void Eight()
{
Mat pic = CvInvoke.Imread("./img/iPhone.jpg");
Mat thresholdPic = new Mat();
Mat hierarchy = new Mat();
VectorOfVectorOfPoint contours = new VectorOfVectorOfPoint();
Image<Gray, byte> grayPic = pic.ToImage<Gray, byte>();
CvInvoke.Threshold(grayPic, thresholdPic, 210, 255, Emgu.CV.CvEnum.ThresholdType.Binary);
CvInvoke.FindContours(thresholdPic, contours, hierarchy, Emgu.CV.CvEnum.RetrType.Tree, Emgu.CV.CvEnum.ChainApproxMethod.ChainApproxNone);
CvInvoke.DrawContours(pic, contours, -1, new MCvScalar(0, 255, 0), 2);
CvInvoke.FillPoly(pic, contours, new MCvScalar(255, 0, 0));
CvInvoke.Imshow("Threshold", thresholdPic);
CvInvoke.Imshow("pic with contours", pic);
CvInvoke.WaitKey();
}
public void Nine()
{
Mat answeredPic = CvInvoke.Imread("./img/GraderPage-Answered.jpg");
Mat aWasAnswered = CvInvoke.Imread("./img/A_abcd.jpg");
Mat templateOuput = new Mat();
CvInvoke.Resize(answeredPic, answeredPic, new System.Drawing.Size(0, 0), 0.7d, 0.7d);
CvInvoke.Resize(aWasAnswered, aWasAnswered, new System.Drawing.Size(0, 0), 0.7d, 0.7d);
CvInvoke.MatchTemplate(answeredPic, aWasAnswered, templateOuput, Emgu.CV.CvEnum.TemplateMatchingType.CcoeffNormed);
double minVal = 0.0d;
double maxVal = 0.0d;
System.Drawing.Point minLoc = new System.Drawing.Point();
System.Drawing.Point maxLoc = new System.Drawing.Point();
CvInvoke.MinMaxLoc(templateOuput, ref minVal, ref maxVal, ref minLoc, ref maxLoc);
CvInvoke.Threshold(templateOuput, templateOuput, 0.85, 1, Emgu.CV.CvEnum.ThresholdType.ToZero);
var matches = templateOuput.ToImage<Gray, byte>();
for (int i = 0; i < matches.Rows; i++)
{
for (int j = 0; j < matches.Cols; j++)
{
if (matches[i, j].Intensity > .8)
{
System.Drawing.Point loc = new System.Drawing.Point(j, i);
System.Drawing.Rectangle box = new System.Drawing.Rectangle(loc, aWasAnswered.Size);
CvInvoke.Rectangle(answeredPic, box, new MCvScalar(0, 255, 0), 2);
}
}
}
CvInvoke.Imshow("template detected", answeredPic);
CvInvoke.WaitKey();
}
} }
} }
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@@ -33,6 +33,22 @@ namespace ImageMinipulation
vanGoghFilters sharpendNight = new vanGoghFilters(); vanGoghFilters sharpendNight = new vanGoghFilters();
sharpendNight.Five(); sharpendNight.Five();
break; break;
case "Six":
vanGoghFilters sobelEdgeDetection = new vanGoghFilters();
sobelEdgeDetection.Six();
break;
case "Seven":
vanGoghFilters cannyEdgeDetection = new vanGoghFilters();
cannyEdgeDetection.Seven();
break;
case "Eight":
vanGoghFilters contour = new vanGoghFilters();
contour.Eight();
break;
case "Nine":
vanGoghFilters templateMatching = new vanGoghFilters();
templateMatching.Nine();
break;
default: default:
Console.WriteLine("That command didn't match any command on record."); Console.WriteLine("That command didn't match any command on record.");
break; break;
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@@ -13,7 +13,7 @@ using System.Reflection;
[assembly: System.Reflection.AssemblyCompanyAttribute("Vision")] [assembly: System.Reflection.AssemblyCompanyAttribute("Vision")]
[assembly: System.Reflection.AssemblyConfigurationAttribute("Debug")] [assembly: System.Reflection.AssemblyConfigurationAttribute("Debug")]
[assembly: System.Reflection.AssemblyFileVersionAttribute("1.0.0.0")] [assembly: System.Reflection.AssemblyFileVersionAttribute("1.0.0.0")]
[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+4a46119095f143590950b4c187458a1070c574b7")] [assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+424280a29c9881a5ecf2ff086dd56660a7dfb2b8")]
[assembly: System.Reflection.AssemblyProductAttribute("Vision")] [assembly: System.Reflection.AssemblyProductAttribute("Vision")]
[assembly: System.Reflection.AssemblyTitleAttribute("Vision")] [assembly: System.Reflection.AssemblyTitleAttribute("Vision")]
[assembly: System.Reflection.AssemblyVersionAttribute("1.0.0.0")] [assembly: System.Reflection.AssemblyVersionAttribute("1.0.0.0")]
@@ -1 +1 @@
e17d606bef8dc49ab9098d852070f254921c1acafd1e4b9c0a795a2c3ae7c891 be2338dcd47ff95872abf6d323fccdcf0b3d6fd8fe8e4067c056329d421dd863
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