private void btnBright_Click(object sender, EventArgs e)
{
decimal numericValue = numericUpDown1.Value;
LogicSegmentation segmentation = new LogicSegmentation((Bitmap)this.PBImagen.Image);
segmentation.decomposeRGB();
segmentation.getNoise((double)numericValue);
segmentation.composeRGB();
segmentation.setMapImage(segmentation.getImageMap());
PBImagen.Image = segmentation.getImageMap();
}