Пример #1
0
void RGBFilter::SetInput(ImageType::Pointer InputImage){
	this->inputImage = InputImage;
	// output image allocation
	this->outputImage = ImageType::New();
	ImageType::IndexType outputIndex;
	outputIndex.Fill(0);
	RegionType anotherRegion;
	anotherRegion.SetIndex(outputIndex);
	anotherRegion.SetSize(this->inputImage->GetLargestPossibleRegion().GetSize());
	outputImage->SetLargestPossibleRegion(anotherRegion);
	outputImage->SetBufferedRegion(anotherRegion);
	outputImage->SetRequestedRegion(anotherRegion);
	outputImage->Allocate();
	
	
	this->ImRed = ChannelType::New();
	ChannelType::IndexType outputIndex2;
	outputIndex2.Fill(0);
	RegionType anotherRegion2;
	anotherRegion2.SetIndex(outputIndex2);
	anotherRegion2.SetSize(this->inputImage->GetLargestPossibleRegion().GetSize());
	ImRed->SetLargestPossibleRegion(anotherRegion2);
	ImRed->SetBufferedRegion(anotherRegion2);
	ImRed->SetRequestedRegion(anotherRegion2);
	ImRed->Allocate();
	
	this->ImGreen = ChannelType::New();
	ChannelType::IndexType outputIndex3;
	outputIndex3.Fill(0);
	RegionType anotherRegion3;
	anotherRegion3.SetIndex(outputIndex3);
	anotherRegion3.SetSize(this->inputImage->GetLargestPossibleRegion().GetSize());
	ImGreen->SetLargestPossibleRegion(anotherRegion3);
	ImGreen->SetBufferedRegion(anotherRegion3);
	ImGreen->SetRequestedRegion(anotherRegion3);
	ImGreen->Allocate();

	this->ImBlue = ChannelType::New();
	ChannelType::IndexType outputIndex4;
	outputIndex4.Fill(0);
	RegionType anotherRegion4;
	anotherRegion4.SetIndex(outputIndex4);
	anotherRegion4.SetSize(this->inputImage->GetLargestPossibleRegion().GetSize());
	ImBlue->SetLargestPossibleRegion(anotherRegion4);
	ImBlue->SetBufferedRegion(anotherRegion4);
	ImBlue->SetRequestedRegion(anotherRegion4);
	ImBlue->Allocate();
}
Пример #2
0
vtkPolyData *mitk::Surface::GetVtkPolyData(unsigned int t) const
{
  if (t < m_PolyDatas.size())
  {
    if (m_PolyDatas[t] == nullptr && this->GetSource().IsNotNull())
    {
      RegionType requestedRegion;
      requestedRegion.SetIndex(3, t);
      requestedRegion.SetSize(3, 1);
      this->m_RequestedRegion = requestedRegion;
      this->GetSource()->Update();
    }

    return m_PolyDatas[t].GetPointer();
  }

  return nullptr;
}
Пример #3
0
vtkUnstructuredGrid* mitk::UnstructuredGrid::GetVtkUnstructuredGrid(unsigned int t)
{
  if ( t < m_GridSeries.size() )
  {
    vtkUnstructuredGrid* grid = m_GridSeries[ t ];
    if((grid == 0) && (GetSource().GetPointer() != 0))
    {
      RegionType requestedregion;
      requestedregion.SetIndex(3, t);
      requestedregion.SetSize(3, 1);
      SetRequestedRegion(&requestedregion);
      GetSource()->Update();
    }
    grid = m_GridSeries[ t ];
    return grid;
  }
  else
    return 0;
}
  unsigned int MultiThreadedImageIOBase::SplitRequestedRegion (unsigned int id, unsigned int total, RegionType& region)
  {
    int fileCount       = (int)( m_FileNames.size() );
    int threadFileCount = (int)::ceil( fileCount/(double)total );
    
    RegionType::IndexType start;
    start[0] = id * threadFileCount;
    RegionType::SizeType length;
    length[0] = threadFileCount;
    
    unsigned int maxThreadInUse = (unsigned int)::ceil(fileCount/(double)threadFileCount) - 1;
    
    if( id == maxThreadInUse )
      length[0] = fileCount - start[0];

    region.SetIndex (start);
    region.SetSize (length);
    
    return maxThreadInUse+1;
  }
Пример #5
0
vtkPolyData* mitk::Surface::GetVtkPolyData( unsigned int t )
{

  if ( t < m_PolyDataSeries.size() )
  {
    vtkPolyData* polydata = m_PolyDataSeries[ t ];
    if((polydata==NULL) && (GetSource().GetPointer()!=NULL))
    {
      RegionType requestedregion;
      requestedregion.SetIndex(3, t);
      requestedregion.SetSize(3, 1);
      SetRequestedRegion(&requestedregion);
      GetSource()->Update();
    }
    polydata = m_PolyDataSeries[ t ];
    return polydata;
  }
  else
    return NULL;
}
Пример #6
0
Region::Region(int energyGroup, const RegionType& type) {

	this->type = &type;
	this->energyGroup = energyGroup;

	flux		 = new double[energyGroup];
	crossSection = new CrossSection(energyGroup);

	for(const SubRegionType& subRegionType : type.getSubRegions()) {
		SubRegion* subRegion = new SubRegion(energyGroup, subRegionType);
		subRegions.push_back(subRegion);
	}
}
Пример #7
0
float
rich_cell::
compute_average_intensity( ImageType::Pointer intensity_image, LabelImageType::ConstPointer label_image, int dist_interior, int dist_exterior)
{
  float sum_interior = 0;
  float sum_exterior = 0;
  int count_interior = 0;
  int count_exterior = 0;

  if (dist_exterior < dist_interior) { // the entire segmented area is taken
    for (unsigned int b = 0; b<all_points_.size(); b++) {
      vnl_vector_fixed< float, 3 > const & pt = all_points_[b];
      ImageType::IndexType pos;
      pos[0] = pt[0];
      pos[1] = pt[1];
      pos[2] = pt[2];
      sum_interior += intensity_image->GetPixel(pos);
    }

    return sum_interior/all_points_.size();
  }
   
  RegionType region = bounding_box_;
  if (dist_interior < 0) { //erode the mask 
    // Generate a mask image of the cell region. Erode the region by
    // r_interior
    RegionType::SizeType size = region.GetSize();
    RegionType::IndexType start={{0,0,0}};
    ImageType::Pointer cropped_mask = ImageType::New(); 
    RegionType mask_region;
    mask_region.SetIndex( start );
    mask_region.SetSize( size );
    cropped_mask->SetRegions( mask_region );
    cropped_mask->Allocate();
    cropped_mask->FillBuffer(0);
    LabelConstRegionIteratorType it1( label_image, region);
    RegionIteratorType it2( cropped_mask, mask_region );
    for (it1.GoToBegin(), it2.GoToBegin(); !it1.IsAtEnd(); ++it1, ++it2) {
      if (it1.Get() == label_)
        it2.Set( 255 );
    }
      
    ImageType::Pointer eroded_mask;
    ErodeFilterType::Pointer f_erode = ErodeFilterType::New();
    SubFilterType::Pointer f_sub = SubFilterType::New();
    StructuringElementType  structuringElement;
    structuringElement.SetRadius( -dist_interior );
    structuringElement.CreateStructuringElement();
    f_erode->SetKernel( structuringElement );
    f_erode->SetInput(cropped_mask);
    f_sub->SetInput1( cropped_mask  );
    f_sub->SetInput2( f_erode->GetOutput() );
    try {
      f_sub->Update();
    }
    catch (itk::ExceptionObject & e) {
      std::cerr << "Exception in SubFilter: " << e << std::endl;
      exit(0);
    }
    eroded_mask = f_sub->GetOutput();
      
    // Sum the signal in the eroded region only
    ConstRegionIteratorType it3( eroded_mask, mask_region );
    ConstRegionIteratorType it4( intensity_image, region);
    for (it3.GoToBegin(), it4.GoToBegin(); !it3.IsAtEnd(); ++it1, ++it3, ++it4) {
      if (it3.Get() > 0) {
        sum_interior += it4.Get();
        count_interior ++;
      }
    }
  }
  if (dist_exterior > 0) { //dilate the mask
    // enlarge the bounding box by r on each side.
    RegionType::SizeType image_size = intensity_image->GetLargestPossibleRegion().GetSize();
    RegionType::SizeType size = region.GetSize();
    RegionType::IndexType start = region.GetIndex();
    RegionType::IndexType end;
    end[0] = vnl_math_min(start[0]+size[0]+dist_exterior, image_size[0]);
    end[1] = vnl_math_min(start[1]+size[1]+dist_exterior, image_size[1]);
    end[2] = vnl_math_min(start[2]+size[2]+dist_exterior, image_size[2]);
    start[0] = vnl_math_max(int(start[0]-dist_exterior), 0);
    start[1] = vnl_math_max(int(start[1]-dist_exterior), 0);
    start[2] = vnl_math_max(int(start[2]-dist_exterior), 0);
    
    size[0] = end[0] - start[0];
    size[1] = end[1] - start[1];
    size[2] = end[2] - start[2];
    region.SetSize( size );
    region.SetIndex( start );
    
    // Generate a mask image of the region just found. Dilate the
    // region defined by the segmentation by r. 
    ImageType::Pointer cropped_mask = ImageType::New(); 
    RegionType mask_region;
    start[0] = start[1] = start[2] = 0;
    mask_region.SetIndex( start );
    mask_region.SetSize( size );
    cropped_mask->SetRegions( mask_region );
    cropped_mask->Allocate();
    cropped_mask->FillBuffer(0);
    LabelConstRegionIteratorType it1( label_image, region);
    RegionIteratorType it2( cropped_mask, mask_region );
    for (it1.GoToBegin(), it2.GoToBegin(); !it1.IsAtEnd(); ++it1, ++it2) {
      if (it1.Get() == label_)
        it2.Set( 255 );
    }
    ImageType::Pointer dilated_mask;
    DilateFilterType::Pointer f_dilate = DilateFilterType::New();
    SubFilterType::Pointer f_sub = SubFilterType::New();
    StructuringElementType  structuringElement;
    structuringElement.SetRadius( dist_exterior );
    structuringElement.CreateStructuringElement();
    f_dilate->SetKernel( structuringElement );
    f_dilate->SetInput(cropped_mask);
    f_sub->SetInput1( f_dilate->GetOutput() );
    f_sub->SetInput2( cropped_mask );
    
    try {
      f_sub->Update();
    }
    catch (itk::ExceptionObject & e) {
      std::cerr << "Exception in SubFilter: " << e << std::endl;
      exit(0);
    }
    dilated_mask = f_sub->GetOutput();
    
    // Sum the signal in the dilated region only
    ConstRegionIteratorType it3( dilated_mask, mask_region );
    ConstRegionIteratorType it4( intensity_image, region);
    for (it3.GoToBegin(), it4.GoToBegin(); !it3.IsAtEnd(); ++it1, ++it3, ++it4) {
      if (it3.Get() > 0) {
        sum_exterior += it4.Get();
        count_exterior ++;
      }
    }
  }
  
  // average the interior and exterior signals
  return (sum_interior+sum_exterior)/float(count_interior+count_exterior);
}
void DicomDiffusionImageReader<TPixelType, TDimension>
::GenerateData()
{
  typedef itk::ImageSeriesReader<InputImageType> ReaderType;

  typename OutputImageType::Pointer output = this->GetOutput();

  typedef typename OutputImageType::RegionType   RegionType;
  RegionType requestedRegion = output->GetRequestedRegion();

  // Each file must have the same size.
  SizeType validSize = requestedRegion.GetSize();

  int numberOfVolumes = static_cast<int>(m_Headers.size());

  // Allocate the output buffer
  output->SetBufferedRegion( requestedRegion );
  output->Allocate();

  itk::ProgressReporter progress(this, 0, 
                            m_Headers.size(),
                            m_Headers.size());

  itk::ImageRegionIterator<OutputImageType> ot (output, requestedRegion );

  // Clear the eventual previous content of the MetaDictionary array
  //if( m_MetaDataDictionaryArray.size() )
  //  {
  //  for(unsigned int i=0; i<m_MetaDataDictionaryArray.size(); i++)
  //    {
  //    // each element is a raw pointer, delete them.
  //    delete m_MetaDataDictionaryArray[i];
  //    }
  //  }
  //m_MetaDataDictionaryArray.clear();

  typename OutputImageType::PixelType vec;

  for (int i = 0; i < numberOfVolumes; i ++)
    {
    
    MITK_INFO << "Loading volume " << i+1 << "/" << numberOfVolumes;
    typename ReaderType::Pointer reader = ReaderType::New();
    reader->SetFileNames(m_Headers[i]->m_DicomFilenames);
    reader->UpdateLargestPossibleRegion();

    if (reader->GetOutput()->GetRequestedRegion().GetSize() != validSize)
      {
      itkExceptionMacro(<< "Size mismatch!");
      }

    itk::ImageRegionConstIterator<InputImageType> it (reader->GetOutput(),
                                               reader->GetOutput()->GetLargestPossibleRegion());

    while (!it.IsAtEnd())
      {
        vec = ot.Get();
        vec.SetElement(i, it.Get());
        ot.Set(vec);
        ++it;
        ++ot;
      }
    ot = ot.Begin();
    progress.CompletedPixel();
    }
Пример #9
0
SubRegionType::SubRegionType(RegionType& region) : region(region) {
	region.addSubRegion(this);
}