void CreateImage(const typename TImage::Pointer & image)
{
// This function creates a 2D image consisting of a black background,
// a large square of a non-zero pixel value, and a single "erroneous" pixel
// near the square.
typename TImage::IndexType corner = {{0,0,0}};
typename TImage::SizeType size = {{20,20,20}};
typename TImage::RegionType region(corner, size);
image->SetRegions(region);
image->Allocate();
image->FillBuffer(0);
// Make a square
for(int r = 4; r < 10; r++){
for(int c = 4; c < 10; c++){
for(int h=4;h < 10;h++){
typename TImage::IndexType pixelIndex = {{r,c,h}};
image->SetPixel(pixelIndex, 1);
}
}
}
// typename TImage::IndexType pixelIndex = {{102, 102}};
// image->SetPixel(pixelIndex, 50);
}
void
CreateImage(typename TImage::Pointer image)
{
typename TImage::IndexType start;
start.Fill(0);
typename TImage::SizeType size;
size.Fill(s);
typename TImage::RegionType region(start, size);
image->SetRegions(region);
image->Allocate();
itk::ImageRegionIterator<TImage> it(image,
image->GetLargestPossibleRegion());
it.GoToBegin();
int i = 0;
typename TImage::PixelType vv = 1;
for (it = it.Begin(); !it.IsAtEnd(); ++it)
{
vv++;
it.Set(i++ % 3 == 0 ? 0 : vv);
}
}
void SmoothedClassProbabilites< TImage>
::GenerateData()
{
typename TImage::Pointer out = this->GetOutput(0);
out->SetRegions(this->GetInput(0)->GetLargestPossibleRegion());
out->Allocate();
for(unsigned int i = 0 ; i < this->GetNumberOfInputs(); i++)
{
auto gf = itk::DiscreteGaussianImageFilter<TImage,TImage>::New();
gf->SetInput(this->GetInput(i));
gf->SetVariance(this->m_Sigma);
gf->Update();
ImageRegionConstIterator<TImage> git(gf->GetOutput(),gf->GetOutput()->GetLargestPossibleRegion());
ImageRegionIterator<TImage> maskiter(m_MaskImage, m_MaskImage->GetLargestPossibleRegion());
ImageRegionIterator<TImage> outputIter(out, out->GetLargestPossibleRegion());
while (!outputIter.IsAtEnd())
{
if(maskiter.Value() > 0 ){
if(git.Value() > outputIter.Value())
outputIter.Set(i);
}else
{
outputIter.Set(0);
}
++git;
++outputIter;
++maskiter;
}
}
}
void ManualPatchSelectionDialog<TImage>::slot_UpdateResult(const itk::ImageRegion<2>& sourceRegion,
const itk::ImageRegion<2>& targetRegion)
{
assert(sourceRegion.GetSize() == targetRegion.GetSize());
if(!this->Image->GetLargestPossibleRegion().IsInside(sourceRegion))
{
std::cerr << "Source region is outside the image!" << std::endl;
return;
}
QImage qimage(sourceRegion.GetSize()[0], sourceRegion.GetSize()[1], QImage::Format_RGB888);
if(MaskImage->CountHolePixels(sourceRegion) > 0)
{
//std::cerr << "The source patch must not have any hole pixels!" << std::endl;
//btnAccept->setVisible(false);
qimage.fill(Qt::green);
}
else
{
typename TImage::Pointer tempImage = TImage::New();
ITKHelpers::ConvertTo3Channel(this->Image, tempImage.GetPointer());
if(this->Image->GetNumberOfComponentsPerPixel() != 3)
{
ITKHelpers::ScaleAllChannelsTo255(tempImage.GetPointer());
}
itk::ImageRegionIterator<TImage> sourceIterator(tempImage, sourceRegion);
itk::ImageRegionIterator<TImage> targetIterator(tempImage, targetRegion);
itk::ImageRegionIterator<Mask> maskIterator(MaskImage, targetRegion);
typename TImage::Pointer resultPatch = TImage::New();
resultPatch->SetNumberOfComponentsPerPixel(Image->GetNumberOfComponentsPerPixel());
itk::ImageRegion<2> resultPatchRegion;
resultPatchRegion.SetSize(sourceRegion.GetSize());
resultPatch->SetRegions(resultPatchRegion);
resultPatch->Allocate();
while(!maskIterator.IsAtEnd())
{
ITKHelpers::FloatVectorImageType::PixelType pixel;
if(MaskImage->IsHole(maskIterator.GetIndex()))
{
pixel = sourceIterator.Get();
}
else
{
pixel = targetIterator.Get();
}
itk::Offset<2> offset = sourceIterator.GetIndex() - sourceRegion.GetIndex();
itk::Index<2> offsetIndex;
offsetIndex[0] = offset[0];
offsetIndex[1] = offset[1];
resultPatch->SetPixel(offsetIndex, pixel);
++sourceIterator;
++targetIterator;
++maskIterator;
} // end iterator loop
qimage = ITKQtHelpers::GetQImageColor(resultPatch.GetPointer(), resultPatch->GetLargestPossibleRegion());
} // end else
this->ResultPatchScene->clear();
QGraphicsPixmapItem* item = this->ResultPatchScene->addPixmap(QPixmap::fromImage(qimage));
gfxResult->fitInView(item);
}