diff --git a/Modules/Core/src/DataManagement/mitkImageStatisticsHolder.cpp b/Modules/Core/src/DataManagement/mitkImageStatisticsHolder.cpp index 811f2029c8..a1bf9c0cb7 100644 --- a/Modules/Core/src/DataManagement/mitkImageStatisticsHolder.cpp +++ b/Modules/Core/src/DataManagement/mitkImageStatisticsHolder.cpp @@ -1,348 +1,360 @@ /*============================================================================ The Medical Imaging Interaction Toolkit (MITK) Copyright (c) German Cancer Research Center (DKFZ) All rights reserved. Use of this source code is governed by a 3-clause BSD license that can be found in the LICENSE file. ============================================================================*/ #include "mitkImageStatisticsHolder.h" #include "mitkHistogramGenerator.h" #include #include "mitkImageAccessByItk.h" //#define BOUNDINGOBJECT_IGNORE mitk::ImageStatisticsHolder::ImageStatisticsHolder(mitk::Image *image) : m_Image(image) { m_CountOfMinValuedVoxels.resize(1, 0); m_CountOfMaxValuedVoxels.resize(1, 0); m_ScalarMin.resize(1, itk::NumericTraits::max()); m_ScalarMax.resize(1, itk::NumericTraits::NonpositiveMin()); m_Scalar2ndMin.resize(1, itk::NumericTraits::max()); m_Scalar2ndMax.resize(1, itk::NumericTraits::NonpositiveMin()); mitk::HistogramGenerator::Pointer generator = mitk::HistogramGenerator::New(); m_HistogramGeneratorObject = generator; } mitk::ImageStatisticsHolder::~ImageStatisticsHolder() { m_HistogramGeneratorObject = nullptr; } const mitk::ImageStatisticsHolder::HistogramType *mitk::ImageStatisticsHolder::GetScalarHistogram( int t, unsigned int /*component*/) { mitk::ImageTimeSelector *timeSelector = this->GetTimeSelector(); if (timeSelector != nullptr) { timeSelector->SetTimeNr(t); timeSelector->UpdateLargestPossibleRegion(); auto *generator = static_cast(m_HistogramGeneratorObject.GetPointer()); generator->SetImage(timeSelector->GetOutput()); generator->ComputeHistogram(); return static_cast(generator->GetHistogram()); } return nullptr; } bool mitk::ImageStatisticsHolder::IsValidTimeStep(int t) const { return m_Image->IsValidTimeStep(t); } mitk::ImageTimeSelector::Pointer mitk::ImageStatisticsHolder::GetTimeSelector() { ImageTimeSelector::Pointer timeSelector = ImageTimeSelector::New(); timeSelector->SetInput(m_Image); return timeSelector; } void mitk::ImageStatisticsHolder::Expand(unsigned int timeSteps) { if (!m_Image->IsValidTimeStep(timeSteps - 1)) return; // The BaseData needs to be expanded, call the mitk::Image::Expand() method m_Image->Expand(timeSteps); if (timeSteps > m_ScalarMin.size()) { m_ScalarMin.resize(timeSteps, itk::NumericTraits::max()); m_ScalarMax.resize(timeSteps, itk::NumericTraits::NonpositiveMin()); m_Scalar2ndMin.resize(timeSteps, itk::NumericTraits::max()); m_Scalar2ndMax.resize(timeSteps, itk::NumericTraits::NonpositiveMin()); m_CountOfMinValuedVoxels.resize(timeSteps, 0); m_CountOfMaxValuedVoxels.resize(timeSteps, 0); } } void mitk::ImageStatisticsHolder::ResetImageStatistics() { m_ScalarMin.assign(1, itk::NumericTraits::max()); m_ScalarMax.assign(1, itk::NumericTraits::NonpositiveMin()); m_Scalar2ndMin.assign(1, itk::NumericTraits::max()); m_Scalar2ndMax.assign(1, itk::NumericTraits::NonpositiveMin()); m_CountOfMinValuedVoxels.assign(1, 0); m_CountOfMaxValuedVoxels.assign(1, 0); } /// \cond SKIP_DOXYGEN template void mitk::_ComputeExtremaInItkImage(const ItkImageType *itkImage, mitk::ImageStatisticsHolder *statisticsHolder, int t) { typename ItkImageType::RegionType region; region = itkImage->GetBufferedRegion(); if (region.Crop(itkImage->GetRequestedRegion()) == false) return; if (region != itkImage->GetRequestedRegion()) return; itk::ImageRegionConstIterator it(itkImage, region); typedef typename ItkImageType::PixelType TPixel; - TPixel value = 0; + ScalarType value = 0; if (statisticsHolder == nullptr || !statisticsHolder->IsValidTimeStep(t)) return; statisticsHolder->Expand(t + 1); // make sure we have initialized all arrays statisticsHolder->m_CountOfMinValuedVoxels[t] = 0; statisticsHolder->m_CountOfMaxValuedVoxels[t] = 0; statisticsHolder->m_Scalar2ndMin[t] = statisticsHolder->m_ScalarMin[t] = itk::NumericTraits::max(); statisticsHolder->m_Scalar2ndMax[t] = statisticsHolder->m_ScalarMax[t] = itk::NumericTraits::NonpositiveMin(); + bool foundValidValue = false; + while (!it.IsAtEnd()) { value = it.Get(); + + if (!foundValidValue && !std::isnan(value)) + foundValidValue = true; + #ifdef BOUNDINGOBJECT_IGNORE if (value > -32765) { #endif // update min if (value < statisticsHolder->m_ScalarMin[t]) { statisticsHolder->m_Scalar2ndMin[t] = statisticsHolder->m_ScalarMin[t]; statisticsHolder->m_ScalarMin[t] = value; statisticsHolder->m_CountOfMinValuedVoxels[t] = 1; } else if (value == statisticsHolder->m_ScalarMin[t]) { ++statisticsHolder->m_CountOfMinValuedVoxels[t]; } else if (value < statisticsHolder->m_Scalar2ndMin[t]) { statisticsHolder->m_Scalar2ndMin[t] = value; } // update max if (value > statisticsHolder->m_ScalarMax[t]) { statisticsHolder->m_Scalar2ndMax[t] = statisticsHolder->m_ScalarMax[t]; statisticsHolder->m_ScalarMax[t] = value; statisticsHolder->m_CountOfMaxValuedVoxels[t] = 1; } else if (value == statisticsHolder->m_ScalarMax[t]) { ++statisticsHolder->m_CountOfMaxValuedVoxels[t]; } else if (value > statisticsHolder->m_Scalar2ndMax[t]) { statisticsHolder->m_Scalar2ndMax[t] = value; } #ifdef BOUNDINGOBJECT_IGNORE } #endif ++it; } + if (!foundValidValue) + { + statisticsHolder->m_ScalarMax[t] = 0; + statisticsHolder->m_ScalarMin[t] = 0; + } + //// guard for wrong 2dMin/Max on single constant value images if (statisticsHolder->m_ScalarMax[t] == statisticsHolder->m_ScalarMin[t]) { statisticsHolder->m_Scalar2ndMax[t] = statisticsHolder->m_Scalar2ndMin[t] = statisticsHolder->m_ScalarMax[t]; } statisticsHolder->m_LastRecomputeTimeStamp.Modified(); } /// \endcond SKIP_DOXYGEN /// \cond SKIP_DOXYGEN template void mitk::_ComputeExtremaInItkVectorImage(const ItkImageType *itkImage, mitk::ImageStatisticsHolder *statisticsHolder, int t, unsigned int component) { typename ItkImageType::RegionType region; region = itkImage->GetBufferedRegion(); if (region.Crop(itkImage->GetRequestedRegion()) == false) return; if (region != itkImage->GetRequestedRegion()) return; itk::ImageRegionConstIterator it(itkImage, region); if (statisticsHolder == nullptr || !statisticsHolder->IsValidTimeStep(t)) return; statisticsHolder->Expand(t + 1); // make sure we have initialized all arrays statisticsHolder->m_CountOfMinValuedVoxels[t] = 0; statisticsHolder->m_CountOfMaxValuedVoxels[t] = 0; statisticsHolder->m_Scalar2ndMin[t] = statisticsHolder->m_ScalarMin[t] = itk::NumericTraits::max(); statisticsHolder->m_Scalar2ndMax[t] = statisticsHolder->m_ScalarMax[t] = itk::NumericTraits::NonpositiveMin(); while (!it.IsAtEnd()) { double value = it.Get()[component]; #ifdef BOUNDINGOBJECT_IGNORE if (value > -32765) { #endif // update min if (value < statisticsHolder->m_ScalarMin[t]) { statisticsHolder->m_Scalar2ndMin[t] = statisticsHolder->m_ScalarMin[t]; statisticsHolder->m_ScalarMin[t] = value; statisticsHolder->m_CountOfMinValuedVoxels[t] = 1; } else if (value == statisticsHolder->m_ScalarMin[t]) { ++statisticsHolder->m_CountOfMinValuedVoxels[t]; } else if (value < statisticsHolder->m_Scalar2ndMin[t]) { statisticsHolder->m_Scalar2ndMin[t] = value; } // update max if (value > statisticsHolder->m_ScalarMax[t]) { statisticsHolder->m_Scalar2ndMax[t] = statisticsHolder->m_ScalarMax[t]; statisticsHolder->m_ScalarMax[t] = value; statisticsHolder->m_CountOfMaxValuedVoxels[t] = 1; } else if (value == statisticsHolder->m_ScalarMax[t]) { ++statisticsHolder->m_CountOfMaxValuedVoxels[t]; } else if (value > statisticsHolder->m_Scalar2ndMax[t]) { statisticsHolder->m_Scalar2ndMax[t] = value; } #ifdef BOUNDINGOBJECT_IGNORE } #endif ++it; } //// guard for wrong 2dMin/Max on single constant value images if (statisticsHolder->m_ScalarMax[t] == statisticsHolder->m_ScalarMin[t]) { statisticsHolder->m_Scalar2ndMax[t] = statisticsHolder->m_Scalar2ndMin[t] = statisticsHolder->m_ScalarMax[t]; } statisticsHolder->m_LastRecomputeTimeStamp.Modified(); } /// \endcond SKIP_DOXYGEN void mitk::ImageStatisticsHolder::ComputeImageStatistics(int t, unsigned int component) { // timestep valid? if (!m_Image->IsValidTimeStep(t)) return; // image modified? if (this->m_Image->GetMTime() > m_LastRecomputeTimeStamp.GetMTime()) this->ResetImageStatistics(); Expand(t + 1); // do we have valid information already? if (m_ScalarMin[t] != itk::NumericTraits::max() || m_Scalar2ndMin[t] != itk::NumericTraits::max()) return; // Values already calculated before... // used to avoid statistics calculation on Odf images. property will be replaced as soons as bug 17928 is merged and // the diffusion image refactoring is complete. mitk::BoolProperty *isSh = dynamic_cast(m_Image->GetProperty("IsShImage").GetPointer()); mitk::BoolProperty *isOdf = dynamic_cast(m_Image->GetProperty("IsOdfImage").GetPointer()); const mitk::PixelType pType = m_Image->GetPixelType(0); if (pType.GetNumberOfComponents() == 1 && (pType.GetPixelType() != itk::IOPixelEnum::UNKNOWNPIXELTYPE) && (pType.GetPixelType() != itk::IOPixelEnum::VECTOR)) { // recompute mitk::ImageTimeSelector::Pointer timeSelector = this->GetTimeSelector(); if (timeSelector.IsNotNull()) { timeSelector->SetTimeNr(t); timeSelector->UpdateLargestPossibleRegion(); const mitk::Image *image = timeSelector->GetOutput(); AccessByItk_2(image, _ComputeExtremaInItkImage, this, t); } } else if (pType.GetPixelType() == itk::IOPixelEnum::VECTOR && (!isOdf || !isOdf->GetValue()) && (!isSh || !isSh->GetValue())) // we have a vector image { // recompute mitk::ImageTimeSelector::Pointer timeSelector = this->GetTimeSelector(); if (timeSelector.IsNotNull()) { timeSelector->SetTimeNr(t); timeSelector->UpdateLargestPossibleRegion(); const mitk::Image *image = timeSelector->GetOutput(); AccessVectorPixelTypeByItk_n(image, _ComputeExtremaInItkVectorImage, (this, t, component)); } } else { m_ScalarMin[t] = 0; m_ScalarMax[t] = 255; m_Scalar2ndMin[t] = 0; m_Scalar2ndMax[t] = 255; } } mitk::ScalarType mitk::ImageStatisticsHolder::GetScalarValueMin(int t, unsigned int component) { ComputeImageStatistics(t, component); return m_ScalarMin[t]; } mitk::ScalarType mitk::ImageStatisticsHolder::GetScalarValueMax(int t, unsigned int component) { ComputeImageStatistics(t, component); return m_ScalarMax[t]; } mitk::ScalarType mitk::ImageStatisticsHolder::GetScalarValue2ndMin(int t, unsigned int component) { ComputeImageStatistics(t, component); return m_Scalar2ndMin[t]; } mitk::ScalarType mitk::ImageStatisticsHolder::GetScalarValue2ndMax(int t, unsigned int component) { ComputeImageStatistics(t, component); return m_Scalar2ndMax[t]; } mitk::ScalarType mitk::ImageStatisticsHolder::GetCountOfMinValuedVoxels(int t, unsigned int component) { ComputeImageStatistics(t, component); return m_CountOfMinValuedVoxels[t]; } mitk::ScalarType mitk::ImageStatisticsHolder::GetCountOfMaxValuedVoxels(int t, unsigned int component) { ComputeImageStatistics(t, component); return m_CountOfMaxValuedVoxels[t]; }