Video5.cs

using System;
using Emgu.CV; 
using Emgu.CV.Structure; 

namespace ourNamespace 
{
  class Video5 
  {
    /*static void Main(string[] args)
    {
        var vc = new VideoCapture(0, VideoCapture.API.DShow); 

        Mat frame = new(); 
        bool pause = false; 

        Mat myface = new(); 
        Mat templateOutput = new(); 
        Mat frameGray = new(); 

        myface = CvInvoke.Imread("./img/myface.jpg"); 
        CvInvoke.CvtColor(myface, myface, Emgu.CV.CvEnum.ColorConversion.Bgr2Gray);

        while(!pause) 
        {
            vc.Read(frame); 

            /*CvInvoke.CvtColor(frame, frameGray, Emgu.CV.CvEnum.ColorConversion.Bgr2Gray);

            CvInvoke.MatchTemplate(frameGray, myface, templateOutput, Emgu.CV.CvEnum.TemplateMatchingType.CcoeffNormed); 

            CvInvoke.Threshold(templateOutput, templateOutput, 0.85, 1, Emgu.CV.CvEnum.ThresholdType.ToZero); 

            var matches = templateOutput.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, myface.Size);  

                        CvInvoke.Rectangle(frame, box, new Emgu.CV.Structure.MCvScalar(0, 255, 0), 2); 
                    }
                }
            }

            Image<Bgr, byte> convertFrame = frame.ToImage<Bgr, byte>(); 
            var image = convertFrame.InRange(new Bgr(75, 0, 0), new Bgr(255, 190, 190)); 

            for (int i = 0; i < image.Rows; i++)
            {
                for (int j = 0; j < image.Cols; j++)
                {
                    var intensity = image[i, j]; 

                    if (intensity.Intensity > 0) 
                    {
                        convertFrame[i, j] = new Bgr(convertFrame[i,j].MCvScalar.V0 - 50, convertFrame[i,j].MCvScalar.V1 - 50, convertFrame[i,j].MCvScalar.V2 + 100); 
                    }
                }
            }
            

            CvInvoke.Imshow("video", convertFrame); 

            int keypressed = CvInvoke.WaitKey(1); 
            if (keypressed == 27)
                pause = true; 

        }


    }*/
  }
}