private void BtnSkip_Click(object sender, RoutedEventArgs e)
        {
            Button           button = sender as Button;
            RecognitionModel model  = button.Tag as RecognitionModel;

            PV_Recognizer.Train(model, "Unknown");
            icImages.ItemsSource = PeopleImage.Where(x => x.Processed == false);
        }
        private void BtnSave_Click(object sender, RoutedEventArgs e)
        {
            Button           button  = sender as Button;
            RecognitionModel model   = button.Tag as RecognitionModel;
            TextBox          textBox = (button.Parent as DockPanel).Children.OfType <TextBox>().FirstOrDefault();
            string           name    = textBox.Text;

            PV_Recognizer.Train(model, name);
            icImages.ItemsSource = PeopleImage.Where(x => x.Processed == false);
        }