public static Bitmap ImageOpeningByLineElement(Bitmap sourceImage, int angle, int size)
        {
            var structElement = LineStructuralElementGenerator(angle, size);

            foreach (var row in structElement)
            {
                foreach (var element in row)
                {
                    Console.Write(element + " ");
                }
                Console.WriteLine();
            }

            var result = ImageErode(sourceImage, structElement);
            result = ImageDilate(result, structElement);
            return result;
        }