private void button6_Click(object sender, EventArgs e)
{
NoizeGenerator ng = new NoizeGenerator();
pb.Image = ng.applyMultiplicativeNoize(idx, image, trackBar3.Value, (int)numericUpDown4.Value, (int)numericUpDown5.Value, determineChannel());
}
private void button1_Click(object sender, EventArgs e)
{
NoizeGenerator ng = new NoizeGenerator();
pb.Image = ng.applyImpulseNoize(idx, image, trackBar1.Value, (int)numericUpDown1.Value, determineChannel());
}