protected override void ProcessImage(object sender)
{
try
{
this.CheckInputs();
Bitmap input = this.WorkspaceViewModel.Input;
this.Width = input.Width / 2;
this.Height = input.Height / 2;
Complex[,] redFourier = FFT.FFT2(input, PixelSelector.Red);
Complex[,] greenFourier = FFT.FFT2(input, PixelSelector.Green);
Complex[,] blueFourier = FFT.FFT2(input, PixelSelector.Blue);
Complex redConstElement = redFourier[0, 0].Clone();
Complex greenConstElement = greenFourier[0, 0].Clone();
Complex blueCosntElement = blueFourier[0, 0].Clone();
FFT.ReverseQuarters(redFourier);
FFT.ReverseQuarters(greenFourier);
FFT.ReverseQuarters(blueFourier);
int[,] redPhase = FFT.GetPhaseShiftSpectrum(redFourier);
int[,] greenPhase = FFT.GetPhaseShiftSpectrum(greenFourier);
int[,] bluePhase = FFT.GetPhaseShiftSpectrum(blueFourier);
Task.Run(() =>
{
Application.Current.Dispatcher.Invoke(delegate
{
ImageView imageView = new ImageView("Phase shift spectrum", this.GetImageFromChannels(redPhase, greenPhase, bluePhase));
imageView.Show();
});
});
int[,] redAmplitude = FFT.GetAmplitudeSpectrum(redFourier);
int[,] greenAmplitude = FFT.GetAmplitudeSpectrum(greenFourier);
int[,] blueAmplitude = FFT.GetAmplitudeSpectrum(blueFourier);
Task.Run(() =>
{
Application.Current.Dispatcher.Invoke(delegate
{
ImageView imageView = new ImageView("Amplitude spectrum", this.GetImageFromChannels(redAmplitude, greenAmplitude, blueAmplitude));
imageView.Show();
});
});
this.ProcessChannel(redFourier);
this.ProcessChannel(greenFourier);
this.ProcessChannel(blueFourier);
this.DisplayMask(redFourier);
FFT.ReverseQuarters(redFourier);
FFT.ReverseQuarters(greenFourier);
FFT.ReverseQuarters(blueFourier);
redFourier[0, 0] = redConstElement;
greenFourier[0, 0] = greenConstElement;
blueFourier[0, 0] = blueCosntElement;
int[,] red = FFT.IFFT2(redFourier);
int[,] blue = FFT.IFFT2(blueFourier);
int[,] green = FFT.IFFT2(greenFourier);
Bitmap output = this.GetImageFromChannels(red, green, blue);
for (int i = 0; i < input.Width; i++)
{
for (int j = 0; j < input.Height; j++)
{
output.SetPixel(i, j, Color.FromArgb(red[i, j], green[i, j], blue[i, j]));
}
}
this.WorkspaceViewModel.Output = output;
}
catch (Exception e)
{
Notify.Error(e.Message);
}
}
