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();
}
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;
}
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;
}
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;
}
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);
}