public static void AddFace(DetectedFace face, CategoryEnum cat, string path)
{
var cropped = new CroppedBitmap(new BitmapImage(new Uri(path)), new Int32Rect(
face.FaceRectangle.Left, face.FaceRectangle.Top,
face.FaceRectangle.Width, face.FaceRectangle.Height));
BitmapSource source = cropped;
BitmapImage image = ImageExtensions.BitmapSourceToBitmapImage(source);
categories.AddCategoryFace(new Face(
(double)face.FaceAttributes.Age, face.FaceAttributes.Gender.ToString(),
ImageExtensions.BufferFromImage(image),
cat));
}