Find License Plate

 public void FindLicensePlate(Bitmap image)
        {
            Image<Bgr, byte> frame = new Image<Bgr, byte>(image);
            using (Image<Gray, byte> grayframe = new Image<Gray, byte>(image))
            {


                var faces =
                       grayframe.DetectHaarCascade(
                               new HaarCascade(Application.StartupPath + "\\output-hv-33-x25.xml"), 1.1, 8,
                               HAAR_DETECTION_TYPE.DO_CANNY_PRUNING,
                               new Size(0, 0)
                               )[0];
                foreach (var face in faces)
                {
                    Image<Bgr, Byte> tmp = frame.Copy();
                    tmp.ROI = face.rect;

                    frame.Draw(face.rect, new Bgr(Color.Blue), 2);

                    PlateImagesList.Add(tmp.Resize(500, 500, Emgu.CV.CvEnum.INTER.CV_INTER_CUBIC, true));

                    //Image<Gray, byte> tmp2 = new Image<Gray, byte>(tmp.ToBitmap());
                    //tmp2 = tmp2.ThresholdBinary(new Gray(50), new Gray(255));

                    pictureBox1.Image = tmp.ToBitmap();
                    pictureBox1.Update();
                    //string pl = this.Ocr(tmp2.ToBitmap());

                    //PlateTextList.Add(pl);
                }

                Image<Bgr, Byte> showimg = new Image<Bgr, Byte>(image.Size);
                showimg = frame.Resize(imageBox1.Width, imageBox1.Height, 0);
                imageBox1.Image = showimg;

            }
        }