// -----------------------------------------------------------------------------
//
// -----------------------------------------------------------------------------
void Threshold::dataCheck(bool preflight, size_t voxels, size_t fields, size_t ensembles)
{
setErrorCondition(0);
std::stringstream ss;
VoxelDataContainer* m = getVoxelDataContainer();
if(m_SelectedCellArrayName.empty() == true)
{
setErrorCondition(-11000);
ss << "An array from the Voxel Data Container must be selected.";
addErrorMessage(getHumanLabel(),ss.str(),getErrorCondition());
}
else
{
m_RawImageDataArrayName=m_SelectedCellArrayName;
GET_PREREQ_DATA(m, DREAM3D, CellData, RawImageData, ss, -300, ImageProcessing::DefaultPixelType, ImageProcessing::DefaultArrayType, voxels, 1)
if(m_OverwriteArray)
{
}
else
{
CREATE_NON_PREREQ_DATA(m, DREAM3D, CellData, ProcessedImageData, ss, ImageProcessing::DefaultPixelType, ImageProcessing::DefaultArrayType, 0, voxels, 1)
m->renameCellData(m_ProcessedImageDataArrayName, m_NewCellArrayName);
}
}
}
// -----------------------------------------------------------------------------
//
// -----------------------------------------------------------------------------
void Threshold::execute()
{
std::stringstream ss;
int err = 0;
setErrorCondition(err);
VoxelDataContainer* m = getVoxelDataContainer();
if(NULL == m)
{
setErrorCondition(-999);
notifyErrorMessage("The DataContainer Object was NULL", getErrorCondition());
return;
}
setErrorCondition(0);
int64_t totalPoints = m->getTotalPoints();
size_t totalFields = m->getNumFieldTuples();
size_t totalEnsembles = m->getNumEnsembleTuples();
dataCheck(false, totalPoints, totalFields, totalEnsembles);
if(m_OverwriteArray)
{
CREATE_NON_PREREQ_DATA(m, DREAM3D, CellData, ProcessedImageData, ss, ImageProcessing::DefaultPixelType, ImageProcessing::DefaultArrayType, 0, totalPoints, 1)
}
if (getErrorCondition() < 0)
{
return;
}
//get dims
size_t udims[3] = {0,0,0};
m->getDimensions(udims);
#if (CMP_SIZEOF_SIZE_T == 4)
typedef int32_t DimType;
#else
typedef int64_t DimType;
#endif
DimType dims[3] = {
static_cast<DimType>(udims[0]),
static_cast<DimType>(udims[1]),
static_cast<DimType>(udims[2]),
};
//wrap input as itk image
ImageProcessing::DefaultImageType::Pointer inputImage=ITKUtilities::Dream3DtoITK(m, m_RawImageData);
//define threshold filters
typedef itk::BinaryThresholdImageFilter <ImageProcessing::DefaultImageType, ImageProcessing::DefaultImageType> BinaryThresholdImageFilterType;
typedef itk::BinaryThresholdImageFilter <ImageProcessing::DefaultSliceType, ImageProcessing::DefaultSliceType> BinaryThresholdImageFilterType2D;
if(m_Method>=0 && m_Method<=11)
{
//define hitogram generator (will make the same kind of histogram for 2 and 3d images
typedef itk::Statistics::ImageToHistogramFilter<ImageProcessing::DefaultImageType> HistogramGenerator;
//find threshold value w/ histogram
itk::HistogramThresholdCalculator< HistogramGenerator::HistogramType, uint8_t >::Pointer calculator;
typedef itk::HuangThresholdCalculator< HistogramGenerator::HistogramType, uint8_t > HuangCalculatorType;
typedef itk::IntermodesThresholdCalculator< HistogramGenerator::HistogramType, uint8_t > IntermodesCalculatorType;
typedef itk::IsoDataThresholdCalculator< HistogramGenerator::HistogramType, uint8_t > IsoDataCalculatorType;
typedef itk::KittlerIllingworthThresholdCalculator< HistogramGenerator::HistogramType, uint8_t > KittlerIllingowrthCalculatorType;
typedef itk::LiThresholdCalculator< HistogramGenerator::HistogramType, uint8_t > LiCalculatorType;
typedef itk::MaximumEntropyThresholdCalculator< HistogramGenerator::HistogramType, uint8_t > MaximumEntropyCalculatorType;
typedef itk::MomentsThresholdCalculator< HistogramGenerator::HistogramType, uint8_t > MomentsCalculatorType;
typedef itk::OtsuThresholdCalculator< HistogramGenerator::HistogramType, uint8_t > OtsuCalculatorType;
typedef itk::RenyiEntropyThresholdCalculator< HistogramGenerator::HistogramType, uint8_t > RenyiEntropyCalculatorType;
typedef itk::ShanbhagThresholdCalculator< HistogramGenerator::HistogramType, uint8_t > ShanbhagCalculatorType;
typedef itk::TriangleThresholdCalculator< HistogramGenerator::HistogramType, uint8_t > TriangleCalculatorType;
typedef itk::YenThresholdCalculator< HistogramGenerator::HistogramType, uint8_t > YenCalculatorType;
switch(m_Method)
{
case 0:
{
calculator = HuangCalculatorType::New();
}
break;
case 1:
{
calculator = IntermodesCalculatorType::New();
}
break;
case 2:
{
calculator = IsoDataCalculatorType::New();
}
break;
case 3:
{
calculator = KittlerIllingowrthCalculatorType::New();
}
break;
case 4:
{
calculator = LiCalculatorType::New();
}
break;
case 5:
{
calculator = MaximumEntropyCalculatorType::New();
}
break;
case 6:
{
calculator = MomentsCalculatorType::New();
}
break;
case 7:
{
calculator = OtsuCalculatorType::New();
}
break;
case 8:
{
calculator = RenyiEntropyCalculatorType::New();
}
break;
case 9:
{
calculator = ShanbhagCalculatorType::New();
}
break;
case 10:
{
calculator = TriangleCalculatorType::New();
}
break;
case 11:
{
calculator = YenCalculatorType::New();
}
break;
}
if(m_Slice)
{
//define 2d histogram generator
typedef itk::Statistics::ImageToHistogramFilter<ImageProcessing::DefaultSliceType> HistogramGenerator2D;
HistogramGenerator2D::Pointer histogramFilter2D = HistogramGenerator2D::New();
//specify number of bins / bounds
typedef HistogramGenerator2D::HistogramSizeType SizeType;
SizeType size( 1 );
size[0] = 255;
histogramFilter2D->SetHistogramSize( size );
histogramFilter2D->SetMarginalScale( 10.0 );
HistogramGenerator2D::HistogramMeasurementVectorType lowerBound( 1 );
HistogramGenerator2D::HistogramMeasurementVectorType upperBound( 1 );
lowerBound[0] = 0;
upperBound[0] = 256;
histogramFilter2D->SetHistogramBinMinimum( lowerBound );
histogramFilter2D->SetHistogramBinMaximum( upperBound );
//wrap output buffer as image
ImageProcessing::DefaultImageType::Pointer outputImage=ITKUtilities::Dream3DtoITK(m, m_ProcessedImageData);
//loop over slices
for(int i=0; i<dims[2]; i++)
{
//get slice
ImageProcessing::DefaultSliceType::Pointer slice = ITKUtilities::ExtractSlice<ImageProcessing::DefaultPixelType>(inputImage, ImageProcessing::ZSlice, i);
//find histogram
histogramFilter2D->SetInput( slice );
histogramFilter2D->Update();
const HistogramGenerator::HistogramType * histogram = histogramFilter2D->GetOutput();
//calculate threshold level
calculator->SetInput(histogram);
calculator->Update();
const uint8_t thresholdValue = calculator->GetThreshold();
//threshold
BinaryThresholdImageFilterType2D::Pointer thresholdFilter = BinaryThresholdImageFilterType2D::New();
thresholdFilter->SetInput(slice);
thresholdFilter->SetLowerThreshold(thresholdValue);
thresholdFilter->SetUpperThreshold(255);
thresholdFilter->SetInsideValue(255);
thresholdFilter->SetOutsideValue(0);
thresholdFilter->Update();
//copy back into volume
ITKUtilities::SetSlice<ImageProcessing::DefaultPixelType>(outputImage, thresholdFilter->GetOutput(), ImageProcessing::ZSlice, i);
}
}
else
{
//specify number of bins / bounds
HistogramGenerator::Pointer histogramFilter = HistogramGenerator::New();
typedef HistogramGenerator::HistogramSizeType SizeType;
SizeType size( 1 );
size[0] = 255;
histogramFilter->SetHistogramSize( size );
histogramFilter->SetMarginalScale( 10.0 );
HistogramGenerator::HistogramMeasurementVectorType lowerBound( 1 );
HistogramGenerator::HistogramMeasurementVectorType upperBound( 1 );
lowerBound[0] = 0;
upperBound[0] = 256;
histogramFilter->SetHistogramBinMinimum( lowerBound );
histogramFilter->SetHistogramBinMaximum( upperBound );
//find histogram
histogramFilter->SetInput( inputImage );
histogramFilter->Update();
const HistogramGenerator::HistogramType * histogram = histogramFilter->GetOutput();
//calculate threshold level
calculator->SetInput(histogram);
calculator->Update();
const uint8_t thresholdValue = calculator->GetThreshold();
//threshold
BinaryThresholdImageFilterType::Pointer thresholdFilter = BinaryThresholdImageFilterType::New();
thresholdFilter->SetInput(inputImage);
thresholdFilter->SetLowerThreshold(thresholdValue);
thresholdFilter->SetUpperThreshold(255);
thresholdFilter->SetInsideValue(255);
thresholdFilter->SetOutsideValue(0);
thresholdFilter->GetOutput()->GetPixelContainer()->SetImportPointer(m_ProcessedImageData, totalPoints, false);
thresholdFilter->Update();
}
}
else if(m_Method==12)//manual
{
//threshold
BinaryThresholdImageFilterType::Pointer thresholdFilter = BinaryThresholdImageFilterType::New();
thresholdFilter->SetInput(inputImage);
thresholdFilter->SetLowerThreshold(m_ManualParameter);
thresholdFilter->SetUpperThreshold(255);
thresholdFilter->SetInsideValue(255);
thresholdFilter->SetOutsideValue(0);
thresholdFilter->GetOutput()->GetPixelContainer()->SetImportPointer(m_ProcessedImageData, totalPoints, false);
thresholdFilter->Update();
}
/*
else if(m_Method==13)//robust automatic
{
typedef itk::GradientMagnitudeImageFilter<ImageProcessing::DefaultImageType, ImageProcessing::DefaultImageType> GradientMagnitudeType;
typedef itk::GradientMagnitudeImageFilter<ImageProcessing::DefaultSliceType, ImageProcessing::DefaultSliceType> GradientMagnitudeType2D;
typedef itk::itkRobustAutomaticThresholdCalculator<ImageProcessing::DefaultImageType,ImageProcessing::DefaultImageType> SelectionType;
typedef itk::itkRobustAutomaticThresholdCalculator<ImageProcessing::DefaultSliceType,ImageProcessing::DefaultSliceType> SelectionType2D;
if(m_slice)
{
//wrap output buffer as image
ImageProcessing::DefaultImageType::Pointer outputImage=ITKUtilities::Dream3DtoITK(m, m_ProcessedImageData);
//loop over slices
for(int i=0; i<dims[2]; i++)
{
//get slice
ImageProcessing::DefaultSliceType::Pointer slice = ITKUtilities::ExtractSlice<ImageProcessing::DefaultPixelType>(inputImage, ImageProcessing::ZSlice, i);
//find gradient
GradientMagnitudeType2D::Pointer gradientFilter = GradientMagnitudeType2D::New();
gradientFilter->setInput(slice);
gradientFilter->Update();
//calculate thershold
SelectionType2D::Pointer calculatorFilter = SelectionType2D::New();
calculatorFilter->SetInput(slice);
calculatorFilter->SetGradientImage(gradientFilter->GetOutput());
calculatorFilter->SetPow(m_ManualParameter);
calculatorFilter->Update();
const uint8_t thresholdValue = calculatorFilter->GetOutput();
//threshold
BinaryThresholdImageFilterType::Pointer thresholdFilter = BinaryThresholdImageFilterType::New();
thresholdFilter->SetInput(inputImage);
thresholdFilter->SetLowerThreshold(thresholdValue);
thresholdFilter->SetUpperThreshold(255);
thresholdFilter->SetInsideValue(255);
thresholdFilter->SetOutsideValue(0);
thresholdFilter->Update();
//copy back into volume
ITKUtilities::SetSlice<ImageProcessing::DefaultPixelType>(outputImage, thresholdFilter->GetOutput(), ImageProcessing::ZSlice, i);
}
}
else
{
//find gradient
GradientMagnitudeType::Pointer gradientFilter = GradientMagnitudeType::New();
gradientFilter->setInput(inputImage);
gradientFilter->Update();
//calculate threshold
SelectionType::Pointer calculatorFilter = SelectionType::New();
calculatorFilter->SetInput(inputImage);
calculatorFilter->SetGradientImage(gradientFilter->GetOutput());
calculatorFilter->SetPow(m_ManualParameter);
calculatorFilter->Update();
const uint8_t thresholdValue = calculatorFilter->GetOutput();
//threshold
BinaryThresholdImageFilterType::Pointer thresholdFilter = BinaryThresholdImageFilterType::New();
thresholdFilter->SetInput(inputImage);
thresholdFilter->SetLowerThreshold(thresholdValue);
thresholdFilter->SetUpperThreshold(255);
thresholdFilter->SetInsideValue(255);
thresholdFilter->SetOutsideValue(0);
thresholdFilter->GetOutput()->GetPixelContainer()->SetImportPointer(m_ProcessedImageData, totalPoints, false);
thresholdFilter->Update();
}
}
*/
//array name changing/cleanup
if(m_OverwriteArray)
{
m->removeCellData(m_SelectedCellArrayName);
bool check = m->renameCellData(m_ProcessedImageDataArrayName, m_SelectedCellArrayName);
}
/* Let the GUI know we are done with this filter */
notifyStatusMessage("Complete");
}
