private unsafe void miGaussianBlur_Click(object sender, System.EventArgs e)
{
if (this.ActiveCImage == null)
{
return;
}
CImage cimage = this.ActiveCImage;
float scale = 1f / (float)Math.Sqrt(cimage.Width * cimage.Height);
ComplexF[] data = cimage.Data;
Fourier.FFT3(data, cimage.Width, cimage.Height, 1, FourierDirection.Forward);
for (int i = 0; i < data.Length; i++)
{
data[i] *= scale;
}
Fourier.FFT3(data, cimage.Width, cimage.Height, 1, FourierDirection.Backward);
for (int i = 0; i < data.Length; i++)
{
data[i] *= scale;
}
cimage.FrequencySpace = true;
this.ActiveCImage = cimage;
}
private void miOpen_Click(object sender, System.EventArgs e)
{
OpenFileDialog ofd = new OpenFileDialog();
ofd.Filter = "Image Files(*.BMP;*.JPG;*.GIF)|*.BMP;*.JPG;*.GIF|All files (*.*)|*.*";
if (ofd.ShowDialog(this) != DialogResult.OK)
{
return;
}
try {
this.ActiveCImage = new CImage(ofd.FileName);
}
catch (Exception ex) {
MessageBox.Show(this, "Error opening file '" + ofd.FileName + " because '" + ex.Message + " (" + ex.GetType().Name + ")'.", "Open...", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void miBackwardFFT_Click(object sender, System.EventArgs e)
{
if (this.ActiveCImage == null)
{
return;
}
CImage cimage = this.ActiveCImage;
float scale = 1f / (float)Math.Sqrt(cimage.Width * cimage.Height);
ComplexF[] data = cimage.Data;
Fourier.FFT2(data, cimage.Width, cimage.Height, FourierDirection.Backward);
int offset = 0;
for (int y = 0; y < cimage.Height; y++)
{
for (int x = 0; x < cimage.Width; x++)
{
if (((x + y) & 0x1) != 0)
{
data[offset] *= -1;
}
offset++;
}
}
cimage.FrequencySpace = false;
for (int i = 0; i < data.Length; i++)
{
data[i] *= scale;
}
this.ActiveCImage = cimage;
}
public iTemplate(Bitmap myImage)
{
//BitmapFilter.GrayScale(myImage);
BitmapFilter.FixHistogram(ref myImage);
// myImage.Save("FixedHistogram.bmp", System.Drawing.Imaging.ImageFormat.Bmp);
BitmapFilter.Binarize(ref myImage, 110);
// myImage.Save("Binarized.bmp", System.Drawing.Imaging.ImageFormat.Bmp);
//BitmapFilter.GaussianBlur(myImage, 1);
/******************************************************/
CImage cimage = new CImage(myImage);
float scale = 1f / (float)Math.Sqrt(cimage.Width * cimage.Height);
ComplexF[] data = cimage.Data;
int offset = 0;
for (int y = 0; y < cimage.Height; y++)
{
for (int x = 0; x < cimage.Width; x++)
{
if (((x + y) & 0x1) != 0)
{
data[offset] *= -1;
}
offset++;
}
}
Fourier.FFT2(data, cimage.Width, cimage.Height, FourierDirection.Forward);
cimage.FrequencySpace = true;
for (int i = 0; i < data.Length; i++)
{
data[i] *= scale;
}
myImage = cimage.ToBitmap();
// myImage.Save("FFT.bmp", System.Drawing.Imaging.ImageFormat.Bmp);
//pictureBoxFiltred.Size = new System.Drawing.Size(myImage.Width, myImage.Height);
/******************************************************/
Bitmap zerImage = new Bitmap(zerSize, zerSize);
int ow, oh;
ow = myImage.Width / 2 - zerSize / 2;
oh = myImage.Height / 2 - zerSize / 2;
for (int y = 0; y < zerSize; y++)
{
for (int x = 0; x < zerSize; x++)
{
zerImage.SetPixel(x, y, myImage.GetPixel(x + ow, y + oh));
}
}
ZernikeDesc zernikeDesc = new ZernikeDesc(zerImage);
zerCoefficients = zernikeDesc.Process();
}
private void miExit_Click(object sender, System.EventArgs e)
{
this.ActiveCImage = null;
Application.Exit();
}
private void miClose_Click(object sender, System.EventArgs e)
{
this.ActiveCImage = null;
}
