public static bool MeanRemoval(Bitmap b, int nWeight /* default to 9*/)
{
ConvMatrix m = new ConvMatrix();
m.SetAll(-1);
m.Pixel = nWeight;
m.Factor = nWeight - 8;
return(BitmapFilter.Conv3x3(b, m));
}
public static bool Smooth(Bitmap b, int nWeight /* default to 1 */)
{
ConvMatrix m = new ConvMatrix();
m.SetAll(1);
m.Pixel = nWeight;
m.Factor = nWeight + 8;
return(BitmapFilter.Conv3x3(b, m));
}
public static bool EmbossLaplacian(Bitmap b)
{
ConvMatrix m = new ConvMatrix();
m.SetAll(-1);
m.TopMid = m.MidLeft = m.MidRight = m.BottomMid = 0;
m.Pixel = 4;
m.Offset = 127;
return(BitmapFilter.Conv3x3(b, m));
}
public static bool Sharpen(Bitmap b, int nWeight /* default to 11*/)
{
ConvMatrix m = new ConvMatrix();
m.SetAll(0);
m.Pixel = nWeight;
m.TopMid = m.MidLeft = m.MidRight = m.BottomMid = -2;
m.Factor = nWeight - 8;
return(BitmapFilter.Conv3x3(b, m));
}
public static bool GaussianBlur(Bitmap b, int nWeight /* default to 4*/)
{
ConvMatrix m = new ConvMatrix();
m.SetAll(1);
m.Pixel = nWeight;
m.TopMid = m.MidLeft = m.MidRight = m.BottomMid = 2;
m.Factor = nWeight + 12;
return(BitmapFilter.Conv3x3(b, m));
}
public static bool EdgeDetectQuick(Bitmap b)
{
ConvMatrix m = new ConvMatrix();
m.TopLeft = m.TopMid = m.TopRight = -1;
m.MidLeft = m.Pixel = m.MidRight = 0;
m.BottomLeft = m.BottomMid = m.BottomRight = 1;
m.Offset = 127;
return(BitmapFilter.Conv3x3(b, m));
}
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();
}
