foreach (var eye in eyes)
      {
          var e = eye;
          e.X += face.X;
          e.Y += face.Y;
      }

//gets paths to haash files
            string facePath = Path.GetFullPath(@"../../../datalol/haarcascade_frontalface_default.xml");
            string eyePath = Path.GetFullPath(@"../../../datalol/haarcascade_eye.xml");
            //sets classifiers for face and eye detection
            CascadeClassifier classifierFace = new CascadeClassifier(facePath);
            CascadeClassifier classifierEye = new CascadeClassifier(eyePath);


            var imgGray = imgInput.Convert<Gray, byte>().Clone();
            Rectangle[] faces = classifierFace.DetectMultiScale(imgGray, 1.1, 6);

            foreach (var face in faces)
            {
                imgInput.Draw(face, new Bgr(0, 0, 255), 2);

                imgGray.ROI = face;
                Rectangle[] eyes = classifierEye.DetectMultiScale(imgGray, 1.1, 6);
                foreach (var eye in eyes)
                {
                    var e = eye;

                    e.X += face.X;

                    e.Y += face.Y;

                }
            }