private void FillResultImages(Bitmap bitmap)
{
var phaseInterval = MathHelper.CalculateMinMax(ComplexData, Spectrum.Phase);
var magnitudeInterval = MathHelper.CalculateMinMax(ComplexData, Spectrum.Magnitude);
FourierHelper.SwapQuadrants(ComplexData);
using (var phaseBitmapData = new SingleBitmapData(bitmap, PixelFormat.Format8bppIndexed))
using (var magnitudeBitmapData = new SingleBitmapData(bitmap, PixelFormat.Format8bppIndexed))
{
for (int y = 0; y < phaseBitmapData.HeightInPixels; y++)
{
for (int x = 0;
x < phaseBitmapData.WidthInBytes;
x += phaseBitmapData.BytesPerPixel)
{
var index = x + y * phaseBitmapData.WidthInBytes;
phaseBitmapData.FirstPixelPtr[index] = (byte)FourierHelper.LogNormalize(ComplexData[y][x].Phase, phaseInterval.Max, 255);
magnitudeBitmapData.FirstPixelPtr[index] = (byte)FourierHelper.LogNormalize(ComplexData[y][x].Magnitude, magnitudeInterval.Max, 255);
}
}
PhaseImage = phaseBitmapData.Bitmap;
MagnitudeImage = magnitudeBitmapData.Bitmap;
}
FourierHelper.SwapQuadrants(ComplexData);
}
public static unsafe ImageComponents ProcessFourierImage(
ImageComponents imageComponents,
IProcessingFourierOperation fourierOperation)
{
var clonedData = CollectionHelper.Clone(imageComponents.ComplexData);
FourierHelper.SwapQuadrants(clonedData);
fourierOperation.ProcessImage(clonedData);
FourierHelper.SwapQuadrants(clonedData);
var processedData = CollectionHelper.Clone(clonedData);
var bitmap = FastFourierTransform.IFFT2D(processedData, imageComponents.Image);
return(new ImageComponents(clonedData, bitmap));
}
