private void divide_Click(object sender, EventArgs e)
{
int val = Convert.ToInt32(numericUpDown1.Value);
// ConvolutionKernelF kern = new ConvolutionKernelF(new float[,] { { 0, -1, 0 }, { 0, -1, 0 }, {0, -1, 0} });
// clone = clone.Convolution(kern).Convert<Rgb,byte>();
imagen.Divide(val);
Image <Rgb, byte> redImg2; // = new Image<Rgb, Byte>(lastBitMap);
redImg2 = imagen.Divs[val]; //.Convolution(kern).Convert<Rgb,byte>();
lastBitMap = redImg2.Bitmap;
segmentBox.Image = lastBitMap;
}