Тема: Получить массив прямоугольников, обводящих лица на изображении (пакет Emgu.CV)

        public Rectangle[] GetRectanglesForFaces(Image<Gray, byte> src)
        {

            if (src == null)
                return null;


            Rectangle[] r = new Rectangle[1];

            try
            {
                r = face_anfas_classifier.classifier.DetectMultiScale(src, 1.1, 10, new Size(20, 20));
            }

            catch
            {


            }


            return r; 

        }

      public Image<Gray, byte> GetRectangledImageGray(Image<Gray, byte> src, double gray_intensity = 500, int rect_width = 5)
        {

            Image<Gray, byte> ret = src;

            Rectangle[] recs = GetRectanglesForFaces(src);

            foreach (var rec in recs)
                src.Draw(rec, new Gray(gray_intensity), rect_width);



            return ret;


        }

       public Image<Rgb, byte> GetRectangledImageColor(Image<Rgb, byte> src, Color col, int rect_width = 5)
        {

            Image<Rgb, byte> ret = src;

            Image<Gray, byte> tmp = ConvertToGray(src);

            Rectangle[] recs = GetRectanglesForFaces(tmp);

            foreach (var rec in recs)
                src.Draw(rec, new Rgb(col), rect_width);



            return ret;


        }