} //****************************** end Shading_Cor ***********************
private void button3_Click(object sender, EventArgs e) // Impulse Noise
{
if (!OPEN)
{
MessageBox.Show("Please open an image");
return;
}
if (!SHAD)
{
MessageBox.Show("Please ckick the button 'Shading'");
return;
}
if (!BIN)
{
MessageBox.Show("Please click in the histogram");
return;
}
ResultBmp = new Bitmap(origBmp.Width, origBmp.Height, PixelFormat.Format24bppRgb);
ImpulseIm.Copy(BinIm);
int nbyte = ImpulseIm.N_Bits / 8;
Drawn = true;
progressBar1.Visible = true;
ImpulseIm.DeleteBit0(nbyte, this);
int maxLi, minLi;
int[] histo = new int[256];
for (int i = 0; i < 256; i++)
{
histo[i] = 0;
}
if (nbyte == 3)
{
int lum;
int i1 = origBmp.Width * origBmp.Height / 100 + 1;
for (int i = 0; i < origBmp.Width * origBmp.Height; i++)
{
lum = MaxC(ImpulseIm.Grid[3 * i + 2], ImpulseIm.Grid[3 * i + 1], ImpulseIm.Grid[3 * i + 0]);
histo[lum]++;
}
}
else
{
for (int i = 0; i < origBmp.Width * origBmp.Height; i++)
{
histo[ImpulseIm.Grid[i]]++;
}
}
for (maxLi = 255; maxLi > 0; maxLi--)
{
if (histo[maxLi] != 0)
{
break;
}
}
for (minLi = 0; minLi < 256; minLi++)
{
if (histo[minLi] != 0)
{
break;
}
}
CPnoise PN = new CPnoise(histo, 1000, 4000);
PN.Sort(ImpulseIm, histo, Number, pictureBox1.Width, pictureBox1.Height, this);
int maxDark = (int)numericUpDown4.Value;
int maxLight = (int)numericUpDown5.Value;
PN.DarkNoise(ref ImpulseIm, minLi, maxLi, maxDark, this);
ImpulseIm.DeleteBit0(nbyte, this);
PN.LightNoise(ref ImpulseIm, minLi, maxLi, maxLight, this);
for (int i = 0; i < nbyte * origBmp.Width * origBmp.Height; i++)
{
if (ImpulseIm.Grid[i] == 252 || ImpulseIm.Grid[i] == 254)
{
ImpulseIm.Grid[i] = 255;
}
}
ImageToBitmapNew(ImpulseIm, ResultBmp);
pictureBox2.Image = ResultBmp;
Graphics g = pictureBox1.CreateGraphics();
Pen myPen = new System.Drawing.Pen(System.Drawing.Color.LightGray);
for (int n = 0; n < Number; n += 2)
{
g.DrawLine(myPen, v[n + 1].X, v[n + 0].Y, v[n + 1].X, v[n + 1].Y);
g.DrawLine(myPen, v[n + 0].X, v[n + 0].Y, v[n + 1].X, v[n + 0].Y);
g.DrawLine(myPen, v[n + 0].X, v[n + 0].Y, v[n + 0].X, v[n + 1].Y);
g.DrawLine(myPen, v[n + 0].X, v[n + 1].Y, v[n + 1].X, v[n + 1].Y);
}
progressBar1.Visible = false;
groupBox1.Visible = true;
label6.Visible = true;
label6.Visible = true;
label8.Visible = true;
label9.Visible = true;
label10.Text = "Noise removed";
label10.Visible = true;
button4.Visible = true;
CHOICE = false;
pictureBox3.Visible = true;
} //********************************** end Impulse noise *******************************
private void button1_Click_1(object sender, EventArgs e) // Open image
{
pictureBox1.Visible = false;
pictureBox2.Visible = false;
pictureBox3.Visible = true;
groupBox1.Visible = false;
OpenFileDialog openFileDialog1 = new OpenFileDialog();
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
label12.Visible = false;
try
{
origBmp = new Bitmap(openFileDialog1.FileName);
OpenImageFile = openFileDialog1.FileName;
Number = 0;
}
catch (Exception ex)
{
MessageBox.Show("Error: Could not read file from disk. Original error: " +
ex.Message);
}
}
else
{
return;
}
label12.Text = "Opened image: " + OpenImageFile;
label12.Visible = true;
label11.Visible = true;
label6.Visible = true;
button2.Visible = false;
button3.Visible = false;
button4.Visible = false;
numericUpDown1.Visible = false;
numericUpDown2.Visible = false;
numericUpDown4.Visible = false;
numericUpDown5.Visible = false;
label1.Visible = false;
label2.Visible = false;
label4.Visible = false;
label5.Visible = false;
label7.Visible = false;
label8.Visible = false;
label9.Visible = false;
label10.Visible = false;
pictureBox2.Visible = false;
pictureBox3.Visible = false;
groupBox1.Visible = true;
progressBar1.Maximum = 100;
progressBar1.Value = 0;
progressBar1.Step = 1;
progressBar1.Visible = true;
if (origBmp.PixelFormat == PixelFormat.Format8bppIndexed)
{
nbyteBmp = 1;
}
else
if (origBmp.PixelFormat == PixelFormat.Format24bppRgb)
{
nbyteBmp = 3;
}
else
{
MessageBox.Show("Pixel format=" + origBmp.PixelFormat + " not used in this project.");
return;
}
nbyteIm = BitmapToImage(origBmp, ref OrigIm);
pictureBox1.Visible = true;
pictureBox1.Image = origBmp;
width = origBmp.Width;
height = origBmp.Height;
int N_Bits = nbyteIm * 8;
SigmaIm = new CImage(width, height, N_Bits);
SigmaIm.SigmaSimpleUni(OrigIm, 2, 50);
GrayIm = new CImage(width, height, 8);
if (nbyteIm == 3)
{
GrayIm.ColorToGray(SigmaIm);
}
else
{
GrayIm.Copy(SigmaIm);
}
MeanIm = new CImage(width, height, 8);
ShadIm = new CImage(width, height, N_Bits);
ImpulseIm = new CImage(width, height, N_Bits);
BinIm = new CImage(width, height, 8);
ScaleX = (double)pictureBox1.Width / (double)width;
ScaleY = (double)pictureBox1.Height / (double)height;
Scale1 = Math.Min(ScaleX, ScaleY);
marginX = (pictureBox1.Width - (int)(Scale1 * width)) / 2;
marginY = (pictureBox1.Height - (int)(Scale1 * height)) / 2;
ShadingBmp = new Bitmap(origBmp.Width, origBmp.Height, PixelFormat.Format24bppRgb);
pictureBox2.Visible = false;
pictureBox3.Visible = false;
radioButton1.Checked = false;
radioButton2.Checked = false;
radioButton3.Checked = false;
radioButton4.Checked = false;
progressBar1.Visible = false;
KIND = -1;
OPEN = true;
} //********************************** end Open image *************************************
