/// <summary>
 /// Blur filter
 /// </summary>
 /// <param name="image">The image.</param>
 /// <param name="rectangle">The rectangle.</param>
 /// <param name="blur">The blur.</param>
 /// <returns>Image.</returns>
 public static Image Blur(this Image image, Rectangle rectangle, int blur = 5)
 {
     ImageFilter imageFilter = new ImageFilter();
     return imageFilter.Blur(new Bitmap(image), rectangle, blur);
 }
 /// <summary>
 /// Blur filter
 /// </summary>
 /// <param name="image">The image.</param>
 /// <param name="blur">The blur.</param>
 /// <returns>Image.</returns>
 public static Image Blur(this Image image, int blur = 5)
 {
     ImageFilter imageFilter = new ImageFilter();
     return imageFilter.Blur(new Bitmap(image), new Rectangle(0, 0, image.Width, image.Height), blur);
 }