} //****************************** end Open image ****************************************
private void button4_Click(object sender, EventArgs e) // Segment
{
if (ORIG == false)
{
MessageBox.Show("Please click to 'Open image' and open an image");
return;
}
SegmentIm = new CImage(width, height, 8);
for (int light = 0; light < 256; light++)
{
SegmentIm.Palette[light] = Color.FromArgb(light, light, light);
}
SegmentIm.nLoop = 2;
SegmentIm.denomProg = denomProg;
if (OrigIm.N_Bits == 24)
{
SegmentIm.ColorToGray(OrigIm, this);
}
else
{
SegmentIm.Copy(OrigIm);
}
byte gw = OrigIm.Grid[5];
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
SegmentIm.Grid[x + width * y] /= 24;
SegmentIm.Grid[x + width * y] *= 24;
}
}
SegmentBmp = new Bitmap(width, height, PixelFormat.Format24bppRgb);
ImageToBitmap(SegmentBmp, SegmentIm);
label2.Text = " Segmented image ";
label2.Visible = true;
button2.Visible = true;
label4.Visible = true;
label5.Visible = true;
numericUpDown1.Visible = true;
numericUpDown2.Visible = true;
label6.Text = "Click 'Impulse noise'";
pictureBox2.Image = SegmentBmp;
progressBar1.Visible = false;
SEGMENT = true;
IMPULSE = false;
BREAD = false;
ROOT = false;
} //****************************** end Segment ****************************************
} //****************************** end Segment ****************************************
private void button2_Click(object sender, EventArgs e) // Impulse noise
{
if (ORIG == false)
{
MessageBox.Show("Please click to 'Open image' and open an image");
return;
}
if (SEGMENT == false)
{
MessageBox.Show("Please click to 'Segment' to segment the image");
return;
}
int nbit, nbyte;
nbit = 8; nbyte = 1;
progressBar1.Visible = true;
progressBar1.Value = 0;
for (int light = 0; light < 256; light++)
{
ImpulseIm.Palette[light] = Color.FromArgb(light, light, light);
}
ImpulseIm.Copy(SegmentIm);
nLoop = 5;
ImpulseIm.nLoop = nLoop;
progressBar1.Step = 1;
ImpulseIm.DeleteBit0(nbyte);
// "histo" is necessary for the constructor of CPnoise before "Sort".
int MaxGV, MinGV;
int[] histo = new int[256];
for (int i = 0; i < 256; i++)
{
histo[i] = 0;
}
int i1 = nLoop * width * height / denomProg;
if (nbit == 24)
{
int lum;
for (int i = 0; i < width * height; i++)
{
if (i % i1 == 0)
{
progressBar1.PerformStep();
}
lum = (int)ImpulseIm.MaxC(ImpulseIm.Grid[3 * i + 2],
ImpulseIm.Grid[3 * i + 1], ImpulseIm.Grid[3 * i + 0]);
histo[lum]++;
}
}
else
{
for (int i = 0; i < width * height; i++)
{
if (i % i1 == 0)
{
progressBar1.PerformStep();
}
histo[ImpulseIm.Grid[i] & 252]++;
}
}
for (MaxGV = 255; MaxGV > 0; MaxGV--)
{
if (histo[MaxGV] != 0)
{
break;
}
}
for (MinGV = 0; MinGV < 256; MinGV++)
{
if (histo[MinGV] != 0)
{
break;
}
}
CPnoise PN = new CPnoise(histo, 1000, 4000);
PN.Sort(ImpulseIm, histo, this);
int MADS = (int)numericUpDown1.Value;
int MALS = (int)numericUpDown2.Value;
progressBar1.Step = 2;
PN.DarkNoise(ref ImpulseIm, MinGV, MaxGV, MADS, this);
ImpulseIm.DeleteBit0(nbyte);
PN.LightNoise(ref ImpulseIm, MinGV, MaxGV, MALS, this);
for (int i = 0; i < nbyte * width * height; i++)
{
if ((ImpulseIm.Grid[i] & 3) != 3)
{
ImpulseIm.Grid[i] |= 3;
}
}
ImpulseBmp = new Bitmap(width, height, PixelFormat.Format24bppRgb);
ImageToBitmapOld(ImpulseBmp, ImpulseIm);
progressBar1.Visible = false;
pictureBox2.Image = ImpulseBmp;
label2.Text = "Impulse noise suppressed";
button3.Visible = true;
button8.Visible = true;
button5.Visible = true;
button6.Visible = true;
label6.Text = "Click 'Breadth First' or 'Root method'";
IMPULSE = true;
BREAD = false;
ROOT = false;
} //****************************** end Impulse noise ****************************************
