From cf558fdd079043c17d82b717323da950b3f66bd8 Mon Sep 17 00:00:00 2001
From: OTB Bot <otbbot@orfeo-toolbox.org>
Date: Wed, 7 May 2014 19:55:19 +0200
Subject: [PATCH] STYLE
---
.../Projections/otbBundleToPerfectSensor.cxx | 6 +-
Applications/Projections/otbSuperimpose.cxx | 2 +-
...otbScalarImageToAdvancedTexturesFilter.txx | 1140 ++++++++---------
3 files changed, 574 insertions(+), 574 deletions(-)
diff --git a/Applications/Projections/otbBundleToPerfectSensor.cxx b/Applications/Projections/otbBundleToPerfectSensor.cxx
index 689b0081b9..2dc0d566ba 100644
--- a/Applications/Projections/otbBundleToPerfectSensor.cxx
+++ b/Applications/Projections/otbBundleToPerfectSensor.cxx
@@ -122,7 +122,7 @@ private:
bool isRefPHR = false;
bool isMovingPHR = false;
- otb::PleiadesImageMetadataInterface::Pointer phrIMI =
+ otb::PleiadesImageMetadataInterface::Pointer phrIMI =
otb::PleiadesImageMetadataInterface::New();
phrIMI->SetMetaDataDictionary(refImage->GetMetaDataDictionary());
isRefPHR = phrIMI->CanRead();
@@ -149,12 +149,12 @@ private:
std::string panProcessing = kwlPan.GetMetadataByKey("support_data.processing_level");
std::string xsProcessing = kwlXS.GetMetadataByKey("support_data.processing_level");
- if (panProcessing.compare("SENSOR") == 0 &&
+ if (panProcessing.compare("SENSOR") == 0 &&
xsProcessing.compare("SENSOR") == 0)
{
SetParameterInt("mode",Mode_PHR);
}
- }
+ }
}
}
diff --git a/Applications/Projections/otbSuperimpose.cxx b/Applications/Projections/otbSuperimpose.cxx
index c6c141d760..832ad73e23 100644
--- a/Applications/Projections/otbSuperimpose.cxx
+++ b/Applications/Projections/otbSuperimpose.cxx
@@ -300,7 +300,7 @@ private:
{
otbAppLogINFO("Using the PHR mode");
- // Setup a simple affine transform using PHR support data
+ // Setup a simple affine transform using PHR support data
ImageKeywordlist kwlPan;
ImageKeywordlist kwlXS;
diff --git a/Code/FeatureExtraction/otbScalarImageToAdvancedTexturesFilter.txx b/Code/FeatureExtraction/otbScalarImageToAdvancedTexturesFilter.txx
index 3272e9f792..0ee25281bb 100644
--- a/Code/FeatureExtraction/otbScalarImageToAdvancedTexturesFilter.txx
+++ b/Code/FeatureExtraction/otbScalarImageToAdvancedTexturesFilter.txx
@@ -1,570 +1,570 @@
-/*=========================================================================
-
- Program: ORFEO Toolbox
- Language: C++
- Date: $Date$
- Version: $Revision$
-
-
- Copyright (c) Centre National d'Etudes Spatiales. All rights reserved.
- See OTBCopyright.txt for details.
-
-
- This software is distributed WITHOUT ANY WARRANTY; without even
- the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
- PURPOSE. See the above copyright notices for more information.
-
-=========================================================================*/
-#ifndef __otbScalarImageToAdvancedTexturesFilter_txx
-#define __otbScalarImageToAdvancedTexturesFilter_txx
-
-#include "otbScalarImageToAdvancedTexturesFilter.h"
-#include "itkImageRegionIteratorWithIndex.h"
-#include "itkConstNeighborhoodIterator.h"
-#include "itkImageRegionIterator.h"
-#include "itkProgressReporter.h"
-#include "itkNumericTraits.h"
-#include <algorithm>
-
-namespace otb
-{
-template <class TInputImage, class TOutputImage>
-ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
-::ScalarImageToAdvancedTexturesFilter()
-: m_Radius()
-, m_Offset()
-, m_HistSize(2)
-, m_NumberOfBinsPerAxis(8)
-, m_InputImageMinimum(0)
-, m_InputImageMaximum(255)
-{
- // There are 10 outputs corresponding to the 9 textures indices
- this->SetNumberOfRequiredOutputs(10);
-
- // Create the 10 outputs
- this->SetNthOutput(0, OutputImageType::New());
- this->SetNthOutput(1, OutputImageType::New());
- this->SetNthOutput(2, OutputImageType::New());
- this->SetNthOutput(3, OutputImageType::New());
- this->SetNthOutput(4, OutputImageType::New());
- this->SetNthOutput(5, OutputImageType::New());
- this->SetNthOutput(6, OutputImageType::New());
- this->SetNthOutput(7, OutputImageType::New());
- this->SetNthOutput(8, OutputImageType::New());
- this->SetNthOutput(9, OutputImageType::New());
-}
-
-template <class TInputImage, class TOutputImage>
-ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
-::~ScalarImageToAdvancedTexturesFilter()
-{}
-template <class TInputImage, class TOutputImage>
-typename ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
-::OutputImageType *
-ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
-::GetMeanOutput()
-{
- if (this->GetNumberOfOutputs() < 1)
- {
- return 0;
- }
- return static_cast<OutputImageType *>(this->GetOutput(0));
-}
-
-template <class TInputImage, class TOutputImage>
-typename ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
-::OutputImageType *
-ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
-::GetVarianceOutput()
-{
- if (this->GetNumberOfOutputs() < 2)
- {
- return 0;
- }
- return static_cast<OutputImageType *>(this->GetOutput(1));
-}
-
-template <class TInputImage, class TOutputImage>
-typename ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
-::OutputImageType *
-ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
-::GetDissimilarityOutput()
-{
- if (this->GetNumberOfOutputs() < 3)
- {
- return 0;
- }
- return static_cast<OutputImageType *>(this->GetOutput(2));
-}
-
-template <class TInputImage, class TOutputImage>
-typename ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
-::OutputImageType *
-ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
-::GetSumAverageOutput()
-{
- if (this->GetNumberOfOutputs() < 4)
- {
- return 0;
- }
- return static_cast<OutputImageType *>(this->GetOutput(3));
-}
-
-template <class TInputImage, class TOutputImage>
-typename ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
-::OutputImageType *
-ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
-::GetSumVarianceOutput()
-{
- if (this->GetNumberOfOutputs() < 5)
- {
- return 0;
- }
- return static_cast<OutputImageType *>(this->GetOutput(4));
-}
-
-template <class TInputImage, class TOutputImage>
-typename ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
-::OutputImageType *
-ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
-::GetSumEntropyOutput()
-{
- if (this->GetNumberOfOutputs() < 6)
- {
- return 0;
- }
- return static_cast<OutputImageType *>(this->GetOutput(5));
-}
-
-template <class TInputImage, class TOutputImage>
-typename ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
-::OutputImageType *
-ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
-::GetDifferenceEntropyOutput()
-{
- if (this->GetNumberOfOutputs() < 7)
- {
- return 0;
- }
- return static_cast<OutputImageType *>(this->GetOutput(6));
-}
-
-template <class TInputImage, class TOutputImage>
-typename ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
-::OutputImageType *
-ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
-::GetDifferenceVarianceOutput()
-{
- if (this->GetNumberOfOutputs() < 8)
- {
- return 0;
- }
- return static_cast<OutputImageType *>(this->GetOutput(7));
-}
-
-template <class TInputImage, class TOutputImage>
-typename ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
-::OutputImageType *
-ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
-::GetIC1Output()
-{
- if (this->GetNumberOfOutputs() < 9)
- {
- return 0;
- }
- return static_cast<OutputImageType *>(this->GetOutput(8));
-}
-
-template <class TInputImage, class TOutputImage>
-typename ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
-::OutputImageType *
-ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
-::GetIC2Output()
-{
- if (this->GetNumberOfOutputs() < 10)
- {
- return 0;
- }
- return static_cast<OutputImageType *>(this->GetOutput(9));
-}
-
-template <class TInputImage, class TOutputImage>
-void
-ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
-::GenerateInputRequestedRegion()
-{
- // First, call superclass implementation
- Superclass::GenerateInputRequestedRegion();
-
- // Retrieve the input and output pointers
- InputImagePointerType inputPtr = const_cast<InputImageType *>(this->GetInput());
- OutputImagePointerType outputPtr = this->GetOutput();
-
- if (!inputPtr || !outputPtr)
- {
- return;
- }
-
- // Retrieve the output requested region
- // We use only the first output since requested regions for all outputs are enforced to be equal
- // by the default GenerateOutputRequestedRegiont() implementation
- OutputRegionType outputRequestedRegion = outputPtr->GetRequestedRegion();
-
- typename OutputRegionType::IndexType outputIndex = outputRequestedRegion.GetIndex();
- typename OutputRegionType::SizeType outputSize = outputRequestedRegion.GetSize();
- typename InputRegionType::IndexType inputIndex;
- typename InputRegionType::SizeType inputSize;
-
- // First, apply offset
- for (unsigned int dim = 0; dim < InputImageType::ImageDimension; ++dim)
- {
- inputIndex[dim] = std::min(outputIndex[dim], outputIndex[dim] + m_Offset[dim]);
- inputSize[dim] =
- std::max(outputIndex[dim] + outputSize[dim], outputIndex[dim] + outputSize[dim] +
- m_Offset[dim]) - inputIndex[dim];
- }
-
- // Build the input requested region
- InputRegionType inputRequestedRegion;
- inputRequestedRegion.SetIndex(inputIndex);
- inputRequestedRegion.SetSize(inputSize);
-
- // Apply the radius
- inputRequestedRegion.PadByRadius(m_Radius);
-
- // Try to apply the requested region to the input image
- if (inputRequestedRegion.Crop(inputPtr->GetLargestPossibleRegion()))
- {
- inputPtr->SetRequestedRegion(inputRequestedRegion);
- }
- else
- {
- // Build an exception
- itk::InvalidRequestedRegionError e(__FILE__, __LINE__);
- e.SetLocation(ITK_LOCATION);
- e.SetDescription("Requested region is (at least partially) outside the largest possible region.");
- e.SetDataObject(inputPtr);
- throw e;
- }
-}
-
-template <class TInputImage, class TOutputImage>
-void
-ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
-::SetBinsAndMinMax(unsigned int numberOfBinsPerAxis,
- InputPixelType inputImageMinimum,
- InputPixelType inputImageMaximum)
-{
- /** calulate minimum offset and set it as neigborhood radius **/
- unsigned int minRadius = 0;
- for ( unsigned int i = 0; i < m_Offset.GetOffsetDimension(); i++ )
- {
- unsigned int distance = vcl_abs(m_Offset[i]);
- if ( distance > minRadius )
- {
- minRadius = distance;
- }
- }
- m_NeighborhoodRadius.Fill(minRadius);
-
- /** Initalize m_Histogram with given min, max and number of bins **/
- MeasurementVectorType lowerBound;
- MeasurementVectorType upperBound;
- m_InputImageMinimum = inputImageMinimum;
- m_InputImageMaximum = inputImageMaximum;
- m_NumberOfBinsPerAxis = numberOfBinsPerAxis;
- m_Histogram = HistogramType::New();
- m_Histogram->SetMeasurementVectorSize( MeasurementVectorSize );
- lowerBound.SetSize( MeasurementVectorSize );
- upperBound.SetSize( MeasurementVectorSize );
- lowerBound.Fill(m_InputImageMinimum);
- upperBound.Fill(m_InputImageMaximum+1);
- m_HistSize.Fill(m_NumberOfBinsPerAxis);
- m_Histogram->Initialize(m_HistSize, lowerBound, upperBound);
-}
-
-template <class TInputImage, class TOutputImage>
-void
-ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
-::ThreadedGenerateData(const OutputRegionType& outputRegionForThread, itk::ThreadIdType threadId)
-{
- // Retrieve the input and output pointers
- InputImagePointerType inputPtr = const_cast<InputImageType *>(this->GetInput());
- OutputImagePointerType meanPtr = this->GetMeanOutput();
- OutputImagePointerType variancePtr = this->GetVarianceOutput();
- OutputImagePointerType dissimilarityPtr = this->GetDissimilarityOutput();
- OutputImagePointerType sumAveragePtr = this->GetSumAverageOutput();
- OutputImagePointerType sumVariancePtr = this->GetSumVarianceOutput();
- OutputImagePointerType sumEntropytPtr = this->GetSumEntropyOutput();
- OutputImagePointerType differenceEntropyPtr = this->GetDifferenceEntropyOutput();
- OutputImagePointerType differenceVariancePtr = this->GetDifferenceVarianceOutput();
- OutputImagePointerType ic1Ptr = this->GetIC1Output();
- OutputImagePointerType ic2Ptr = this->GetIC2Output();
-
- // Build output iterators
- itk::ImageRegionIteratorWithIndex<OutputImageType> varianceIt(variancePtr, outputRegionForThread);
- itk::ImageRegionIterator<OutputImageType> meanIt(meanPtr, outputRegionForThread);
- itk::ImageRegionIterator<OutputImageType> dissimilarityIt(dissimilarityPtr, outputRegionForThread);
- itk::ImageRegionIterator<OutputImageType> sumAverageIt(sumAveragePtr, outputRegionForThread);
- itk::ImageRegionIterator<OutputImageType> sumVarianceIt(sumVariancePtr, outputRegionForThread);
- itk::ImageRegionIterator<OutputImageType> sumEntropytIt(sumEntropytPtr, outputRegionForThread);
- itk::ImageRegionIterator<OutputImageType> differenceEntropyIt(differenceEntropyPtr, outputRegionForThread);
- itk::ImageRegionIterator<OutputImageType> differenceVarianceIt(differenceVariancePtr, outputRegionForThread);
- itk::ImageRegionIterator<OutputImageType> ic1It(ic1Ptr, outputRegionForThread);
- itk::ImageRegionIterator<OutputImageType> ic2It(ic2Ptr, outputRegionForThread);
-
- // Go to begin
- varianceIt.GoToBegin();
- meanIt.GoToBegin();
- dissimilarityIt.GoToBegin();
- sumAverageIt.GoToBegin();
- sumVarianceIt.GoToBegin();
- sumEntropytIt.GoToBegin();
- differenceEntropyIt.GoToBegin();
- differenceVarianceIt.GoToBegin();
- ic1It.GoToBegin();
- ic2It.GoToBegin();
-
- const double log2 = vcl_log(2.0);
- const itk::SizeValueType histSize0 = m_HistSize[0];
- const itk::SizeValueType histSize1 = m_HistSize[1];
- const double minSizeHist = std::min (histSize0, histSize1);
-
- // Set-up progress reporting
- itk::ProgressReporter progress(this, threadId, outputRegionForThread.GetNumberOfPixels());
-
- // Iterate on outputs to compute textures
- while (!varianceIt.IsAtEnd()
- && !meanIt.IsAtEnd()
- && !dissimilarityIt.IsAtEnd()
- && !sumAverageIt.IsAtEnd()
- && !sumVarianceIt.IsAtEnd()
- && !sumEntropytIt.IsAtEnd()
- && !differenceEntropyIt.IsAtEnd()
- && !differenceVarianceIt.IsAtEnd()
- && !ic1It.IsAtEnd()
- && !ic2It.IsAtEnd())
- {
- // Compute the region on which co-occurence will be estimated
- typename InputRegionType::IndexType inputIndex;
- typename InputRegionType::SizeType inputSize;
-
- // First, create an window for neighborhood iterator based on m_Radius
- // For example, if xradius and yradius is 2. window size is 5x5 (2 * radius + 1).
- for (unsigned int dim = 0; dim < InputImageType::ImageDimension; ++dim)
- {
- inputIndex[dim] = varianceIt.GetIndex()[dim] - m_Radius[dim];
- inputSize[dim] = 2 * m_Radius[dim] + 1;
- }
-
- // Build the input region
- InputRegionType inputRegion;
- inputRegion.SetIndex(inputIndex);
- inputRegion.SetSize(inputSize);
- inputRegion.Crop(inputPtr->GetRequestedRegion());
-
- CooccurrenceIndexedListPointerType m_GLCIList = CooccurrenceIndexedListType::New();
- m_GLCIList->Initialize(m_HistSize);
-
- typedef itk::ConstNeighborhoodIterator< InputImageType > NeighborhoodIteratorType;
- NeighborhoodIteratorType neighborIt;
- neighborIt = NeighborhoodIteratorType(m_NeighborhoodRadius, inputPtr, inputRegion);
- for ( neighborIt.GoToBegin(); !neighborIt.IsAtEnd(); ++neighborIt )
- {
- const InputPixelType centerPixelIntensity = neighborIt.GetCenterPixel();
- if ( centerPixelIntensity < m_InputImageMinimum
- || centerPixelIntensity > m_InputImageMaximum )
- {
- continue; // don't put a pixel in the histogram if the value
- // is out-of-bounds.
- }
-
- bool pixelInBounds;
- const InputPixelType pixelIntensity = neighborIt.GetPixel(m_Offset, pixelInBounds);
- if ( !pixelInBounds )
- {
- continue; // don't put a pixel in the histogram if it's out-of-bounds.
- }
- if ( pixelIntensity < m_InputImageMinimum
- || pixelIntensity > m_InputImageMaximum )
- {
- continue; // don't put a pixel in the histogram if the value
- // is out-of-bounds.
- }
-
- CooccurrenceIndexType instanceIndex;
- MeasurementVectorType measurement( MeasurementVectorSize );
- measurement[0] = centerPixelIntensity;
- measurement[1] = pixelIntensity;
- //Get Index of the histogram for the given pixel pair;
- m_Histogram->GetIndex(measurement, instanceIndex);
- m_GLCIList->AddPairToList(instanceIndex);
- }
-
- MeasurementType m_Mean = itk::NumericTraits< MeasurementType >::Zero;
- MeasurementType m_Variance = itk::NumericTraits< MeasurementType >::Zero;
- MeasurementType m_Dissimilarity = itk::NumericTraits< MeasurementType >::Zero;
- MeasurementType m_SumAverage = itk::NumericTraits< MeasurementType >::Zero;
- MeasurementType m_SumEntropy = itk::NumericTraits< MeasurementType >::Zero;
- MeasurementType m_SumVariance = itk::NumericTraits< MeasurementType >::Zero;
- MeasurementType m_DifferenceEntropy = itk::NumericTraits< MeasurementType >::Zero;
- MeasurementType m_DifferenceVariance = itk::NumericTraits< MeasurementType >::Zero;
- MeasurementType m_IC1 = itk::NumericTraits< MeasurementType >::Zero;
- MeasurementType m_IC2 = itk::NumericTraits< MeasurementType >::Zero;
-
- double Entropy = 0;
-
- long unsigned int twiceHistSize = histSize0 + histSize1;
- typedef itk::Array<double> DoubleArrayType;
- DoubleArrayType hx(histSize0);
- DoubleArrayType hy(histSize0);
- DoubleArrayType pdxy(twiceHistSize);
-
- for(long unsigned int i = 0; i < histSize0; i++)
- {
- hx[i] = 0.0;
- hy[i] = 0.0;
- pdxy[i] = 0.0;
- }
- for(long unsigned int i = histSize0; i < twiceHistSize; i++)
- {
- pdxy[i] = 0.0;
- }
-
- /* hx.Fill(0.0); hy.Fill(0.0); pdxy.Fill(0.0); */
- double hxy1 = 0;
-
- VectorType glcList = m_GLCIList->GetVector();
- TotalAbsoluteFrequencyType totalFrequency = m_GLCIList->GetTotalFrequency();
-
- VectorIteratorType vectorIt;
- //Normalize the GreyLevelCooccurrenceListType
- //Compute Mean, Entropy (f12), hx, hy, pdxy
- vectorIt = glcList.begin();
- while( vectorIt != glcList.end())
- {
- CooccurrenceIndexType index = (*vectorIt).index;
- double frequency = static_cast<double>((*vectorIt).frequency) / static_cast<double>(totalFrequency);
- m_Mean += static_cast<double>(index[0]) * frequency;
- Entropy -= (frequency > 0.0001) ? frequency * vcl_log(frequency) / log2 : 0.;
- //update normalized frequency
- (*vectorIt).frequency = frequency;
-
- unsigned int i = index[1];
- unsigned int j = index[0];
- hx[j] += frequency;
- hy[i] += frequency;
-
- if( i+j > histSize0-1)
- {
- pdxy[i+j] += frequency;
- }
- if( i <= j )
- {
- pdxy[j-i] += frequency;
- }
-
- ++vectorIt;
- }
-
- VectorConstIteratorType constVectorIt;
- //second pass over normalized co-occurrence list to find variance and pipj.
- //pipj is needed to calculate f11
- constVectorIt = glcList.begin();
- while( constVectorIt != glcList.end())
- {
- double frequency = (*constVectorIt).frequency;
- CooccurrenceIndexType index = (*constVectorIt).index;
- unsigned int i = index[1];
- unsigned int j = index[0];
- double index0 = static_cast<double>(index[0]);
- m_Variance += ((index0 - m_Mean) * (index0 - m_Mean)) * frequency;
- double pipj = hx[j] * hy[i];
- hxy1 -= (pipj > 0.0001) ? frequency * vcl_log(pipj) : 0.;
- ++constVectorIt;
- }
-
- //iterate histSize to compute sumEntropy
- double PSSquareCumul = 0;
- for(long unsigned int k = histSize0; k < twiceHistSize; k++)
- {
- m_SumAverage += k * pdxy[k];
- m_SumEntropy -= (pdxy[k] > 0.0001) ? pdxy[k] * vcl_log(pdxy[k]) / log2 : 0;
- PSSquareCumul += k * k * pdxy[k];
- }
- m_SumVariance = PSSquareCumul - m_SumAverage * m_SumAverage;
-
- double PDSquareCumul = 0;
- double PDCumul = 0;
- double hxCumul = 0;
- double hyCumul = 0;
-
- for (long unsigned int i = 0; i < minSizeHist; ++i)
- {
- double pdTmp = pdxy[i];
- PDCumul += i * pdTmp;
- m_DifferenceEntropy -= (pdTmp > 0.0001) ? pdTmp * vcl_log(pdTmp) / log2 : 0;
- PDSquareCumul += i * i * pdTmp;
-
- //comput hxCumul and hyCumul
- double marginalfreq = hx[i];
- hxCumul += (marginalfreq > 0.0001) ? vcl_log (marginalfreq) * marginalfreq : 0;
-
- marginalfreq = hy[i];
- hyCumul += (marginalfreq > 0.0001) ? vcl_log (marginalfreq) * marginalfreq : 0;
- }
- m_DifferenceVariance = PDSquareCumul - PDCumul * PDCumul;
-
- /* pipj computed below is totally different from earlier one which was used
- * to compute hxy1. This need to force an iterator over entire histogram.
- Processing time is propotional to the histogram bin size */
- double hxy2 = 0;
- for(int i = 0; i < histSize0; ++i)
- {
- for(int j = 0; j < histSize1; ++j)
- {
- double pipj = hx[j] * hy[i];
- hxy2 -= (pipj > 0.0001) ? pipj * vcl_log(pipj) : 0.;
- double frequency = m_GLCIList->GetFrequency(i,j, glcList);
- m_Dissimilarity+= ( j - i ) * (frequency * frequency);
- }
- }
-
- //Information measures of correlation 1 & 2
- m_IC1 = (vcl_abs(std::max (hxCumul, hyCumul)) > 0.0001) ? (Entropy - hxy1) / (std::max (hxCumul, hyCumul)) : 0;
- m_IC2 = 1 - vcl_exp (-2. * vcl_abs (hxy2 - Entropy));
- m_IC2 = (m_IC2 >= 0) ? vcl_sqrt (m_IC2) : 0;
-
- // Fill outputs
- meanIt.Set(m_Mean);
- varianceIt.Set(m_Variance);
- dissimilarityIt.Set(m_Dissimilarity);
- sumAverageIt.Set(m_SumAverage);
- sumVarianceIt.Set(m_SumVariance);
- sumEntropytIt.Set(m_SumEntropy);
- differenceEntropyIt.Set(m_DifferenceEntropy);
- differenceVarianceIt.Set(m_DifferenceVariance);
- ic1It.Set(m_IC1);
- ic2It.Set(m_IC2);
-
- // Update progress
- progress.CompletedPixel();
-
- // Increment iterators
- ++varianceIt;
- ++meanIt;
- ++dissimilarityIt;
- ++sumAverageIt;
- ++sumVarianceIt;
- ++sumEntropytIt;
- ++differenceEntropyIt;
- ++differenceVarianceIt;
- ++ic1It;
- ++ic2It;
- }
-
-}
-
-} // End namespace otb
-
-#endif
+/*=========================================================================
+
+ Program: ORFEO Toolbox
+ Language: C++
+ Date: $Date$
+ Version: $Revision$
+
+
+ Copyright (c) Centre National d'Etudes Spatiales. All rights reserved.
+ See OTBCopyright.txt for details.
+
+
+ This software is distributed WITHOUT ANY WARRANTY; without even
+ the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ PURPOSE. See the above copyright notices for more information.
+
+=========================================================================*/
+#ifndef __otbScalarImageToAdvancedTexturesFilter_txx
+#define __otbScalarImageToAdvancedTexturesFilter_txx
+
+#include "otbScalarImageToAdvancedTexturesFilter.h"
+#include "itkImageRegionIteratorWithIndex.h"
+#include "itkConstNeighborhoodIterator.h"
+#include "itkImageRegionIterator.h"
+#include "itkProgressReporter.h"
+#include "itkNumericTraits.h"
+#include <algorithm>
+
+namespace otb
+{
+template <class TInputImage, class TOutputImage>
+ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
+::ScalarImageToAdvancedTexturesFilter()
+: m_Radius()
+, m_Offset()
+, m_HistSize(2)
+, m_NumberOfBinsPerAxis(8)
+, m_InputImageMinimum(0)
+, m_InputImageMaximum(255)
+{
+ // There are 10 outputs corresponding to the 9 textures indices
+ this->SetNumberOfRequiredOutputs(10);
+
+ // Create the 10 outputs
+ this->SetNthOutput(0, OutputImageType::New());
+ this->SetNthOutput(1, OutputImageType::New());
+ this->SetNthOutput(2, OutputImageType::New());
+ this->SetNthOutput(3, OutputImageType::New());
+ this->SetNthOutput(4, OutputImageType::New());
+ this->SetNthOutput(5, OutputImageType::New());
+ this->SetNthOutput(6, OutputImageType::New());
+ this->SetNthOutput(7, OutputImageType::New());
+ this->SetNthOutput(8, OutputImageType::New());
+ this->SetNthOutput(9, OutputImageType::New());
+}
+
+template <class TInputImage, class TOutputImage>
+ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
+::~ScalarImageToAdvancedTexturesFilter()
+{}
+template <class TInputImage, class TOutputImage>
+typename ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
+::OutputImageType *
+ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
+::GetMeanOutput()
+{
+ if (this->GetNumberOfOutputs() < 1)
+ {
+ return 0;
+ }
+ return static_cast<OutputImageType *>(this->GetOutput(0));
+}
+
+template <class TInputImage, class TOutputImage>
+typename ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
+::OutputImageType *
+ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
+::GetVarianceOutput()
+{
+ if (this->GetNumberOfOutputs() < 2)
+ {
+ return 0;
+ }
+ return static_cast<OutputImageType *>(this->GetOutput(1));
+}
+
+template <class TInputImage, class TOutputImage>
+typename ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
+::OutputImageType *
+ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
+::GetDissimilarityOutput()
+{
+ if (this->GetNumberOfOutputs() < 3)
+ {
+ return 0;
+ }
+ return static_cast<OutputImageType *>(this->GetOutput(2));
+}
+
+template <class TInputImage, class TOutputImage>
+typename ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
+::OutputImageType *
+ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
+::GetSumAverageOutput()
+{
+ if (this->GetNumberOfOutputs() < 4)
+ {
+ return 0;
+ }
+ return static_cast<OutputImageType *>(this->GetOutput(3));
+}
+
+template <class TInputImage, class TOutputImage>
+typename ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
+::OutputImageType *
+ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
+::GetSumVarianceOutput()
+{
+ if (this->GetNumberOfOutputs() < 5)
+ {
+ return 0;
+ }
+ return static_cast<OutputImageType *>(this->GetOutput(4));
+}
+
+template <class TInputImage, class TOutputImage>
+typename ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
+::OutputImageType *
+ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
+::GetSumEntropyOutput()
+{
+ if (this->GetNumberOfOutputs() < 6)
+ {
+ return 0;
+ }
+ return static_cast<OutputImageType *>(this->GetOutput(5));
+}
+
+template <class TInputImage, class TOutputImage>
+typename ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
+::OutputImageType *
+ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
+::GetDifferenceEntropyOutput()
+{
+ if (this->GetNumberOfOutputs() < 7)
+ {
+ return 0;
+ }
+ return static_cast<OutputImageType *>(this->GetOutput(6));
+}
+
+template <class TInputImage, class TOutputImage>
+typename ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
+::OutputImageType *
+ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
+::GetDifferenceVarianceOutput()
+{
+ if (this->GetNumberOfOutputs() < 8)
+ {
+ return 0;
+ }
+ return static_cast<OutputImageType *>(this->GetOutput(7));
+}
+
+template <class TInputImage, class TOutputImage>
+typename ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
+::OutputImageType *
+ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
+::GetIC1Output()
+{
+ if (this->GetNumberOfOutputs() < 9)
+ {
+ return 0;
+ }
+ return static_cast<OutputImageType *>(this->GetOutput(8));
+}
+
+template <class TInputImage, class TOutputImage>
+typename ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
+::OutputImageType *
+ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
+::GetIC2Output()
+{
+ if (this->GetNumberOfOutputs() < 10)
+ {
+ return 0;
+ }
+ return static_cast<OutputImageType *>(this->GetOutput(9));
+}
+
+template <class TInputImage, class TOutputImage>
+void
+ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
+::GenerateInputRequestedRegion()
+{
+ // First, call superclass implementation
+ Superclass::GenerateInputRequestedRegion();
+
+ // Retrieve the input and output pointers
+ InputImagePointerType inputPtr = const_cast<InputImageType *>(this->GetInput());
+ OutputImagePointerType outputPtr = this->GetOutput();
+
+ if (!inputPtr || !outputPtr)
+ {
+ return;
+ }
+
+ // Retrieve the output requested region
+ // We use only the first output since requested regions for all outputs are enforced to be equal
+ // by the default GenerateOutputRequestedRegiont() implementation
+ OutputRegionType outputRequestedRegion = outputPtr->GetRequestedRegion();
+
+ typename OutputRegionType::IndexType outputIndex = outputRequestedRegion.GetIndex();
+ typename OutputRegionType::SizeType outputSize = outputRequestedRegion.GetSize();
+ typename InputRegionType::IndexType inputIndex;
+ typename InputRegionType::SizeType inputSize;
+
+ // First, apply offset
+ for (unsigned int dim = 0; dim < InputImageType::ImageDimension; ++dim)
+ {
+ inputIndex[dim] = std::min(outputIndex[dim], outputIndex[dim] + m_Offset[dim]);
+ inputSize[dim] =
+ std::max(outputIndex[dim] + outputSize[dim], outputIndex[dim] + outputSize[dim] +
+ m_Offset[dim]) - inputIndex[dim];
+ }
+
+ // Build the input requested region
+ InputRegionType inputRequestedRegion;
+ inputRequestedRegion.SetIndex(inputIndex);
+ inputRequestedRegion.SetSize(inputSize);
+
+ // Apply the radius
+ inputRequestedRegion.PadByRadius(m_Radius);
+
+ // Try to apply the requested region to the input image
+ if (inputRequestedRegion.Crop(inputPtr->GetLargestPossibleRegion()))
+ {
+ inputPtr->SetRequestedRegion(inputRequestedRegion);
+ }
+ else
+ {
+ // Build an exception
+ itk::InvalidRequestedRegionError e(__FILE__, __LINE__);
+ e.SetLocation(ITK_LOCATION);
+ e.SetDescription("Requested region is (at least partially) outside the largest possible region.");
+ e.SetDataObject(inputPtr);
+ throw e;
+ }
+}
+
+template <class TInputImage, class TOutputImage>
+void
+ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
+::SetBinsAndMinMax(unsigned int numberOfBinsPerAxis,
+ InputPixelType inputImageMinimum,
+ InputPixelType inputImageMaximum)
+{
+ /** calulate minimum offset and set it as neigborhood radius **/
+ unsigned int minRadius = 0;
+ for ( unsigned int i = 0; i < m_Offset.GetOffsetDimension(); i++ )
+ {
+ unsigned int distance = vcl_abs(m_Offset[i]);
+ if ( distance > minRadius )
+ {
+ minRadius = distance;
+ }
+ }
+ m_NeighborhoodRadius.Fill(minRadius);
+
+ /** Initalize m_Histogram with given min, max and number of bins **/
+ MeasurementVectorType lowerBound;
+ MeasurementVectorType upperBound;
+ m_InputImageMinimum = inputImageMinimum;
+ m_InputImageMaximum = inputImageMaximum;
+ m_NumberOfBinsPerAxis = numberOfBinsPerAxis;
+ m_Histogram = HistogramType::New();
+ m_Histogram->SetMeasurementVectorSize( MeasurementVectorSize );
+ lowerBound.SetSize( MeasurementVectorSize );
+ upperBound.SetSize( MeasurementVectorSize );
+ lowerBound.Fill(m_InputImageMinimum);
+ upperBound.Fill(m_InputImageMaximum+1);
+ m_HistSize.Fill(m_NumberOfBinsPerAxis);
+ m_Histogram->Initialize(m_HistSize, lowerBound, upperBound);
+}
+
+template <class TInputImage, class TOutputImage>
+void
+ScalarImageToAdvancedTexturesFilter<TInputImage, TOutputImage>
+::ThreadedGenerateData(const OutputRegionType& outputRegionForThread, itk::ThreadIdType threadId)
+{
+ // Retrieve the input and output pointers
+ InputImagePointerType inputPtr = const_cast<InputImageType *>(this->GetInput());
+ OutputImagePointerType meanPtr = this->GetMeanOutput();
+ OutputImagePointerType variancePtr = this->GetVarianceOutput();
+ OutputImagePointerType dissimilarityPtr = this->GetDissimilarityOutput();
+ OutputImagePointerType sumAveragePtr = this->GetSumAverageOutput();
+ OutputImagePointerType sumVariancePtr = this->GetSumVarianceOutput();
+ OutputImagePointerType sumEntropytPtr = this->GetSumEntropyOutput();
+ OutputImagePointerType differenceEntropyPtr = this->GetDifferenceEntropyOutput();
+ OutputImagePointerType differenceVariancePtr = this->GetDifferenceVarianceOutput();
+ OutputImagePointerType ic1Ptr = this->GetIC1Output();
+ OutputImagePointerType ic2Ptr = this->GetIC2Output();
+
+ // Build output iterators
+ itk::ImageRegionIteratorWithIndex<OutputImageType> varianceIt(variancePtr, outputRegionForThread);
+ itk::ImageRegionIterator<OutputImageType> meanIt(meanPtr, outputRegionForThread);
+ itk::ImageRegionIterator<OutputImageType> dissimilarityIt(dissimilarityPtr, outputRegionForThread);
+ itk::ImageRegionIterator<OutputImageType> sumAverageIt(sumAveragePtr, outputRegionForThread);
+ itk::ImageRegionIterator<OutputImageType> sumVarianceIt(sumVariancePtr, outputRegionForThread);
+ itk::ImageRegionIterator<OutputImageType> sumEntropytIt(sumEntropytPtr, outputRegionForThread);
+ itk::ImageRegionIterator<OutputImageType> differenceEntropyIt(differenceEntropyPtr, outputRegionForThread);
+ itk::ImageRegionIterator<OutputImageType> differenceVarianceIt(differenceVariancePtr, outputRegionForThread);
+ itk::ImageRegionIterator<OutputImageType> ic1It(ic1Ptr, outputRegionForThread);
+ itk::ImageRegionIterator<OutputImageType> ic2It(ic2Ptr, outputRegionForThread);
+
+ // Go to begin
+ varianceIt.GoToBegin();
+ meanIt.GoToBegin();
+ dissimilarityIt.GoToBegin();
+ sumAverageIt.GoToBegin();
+ sumVarianceIt.GoToBegin();
+ sumEntropytIt.GoToBegin();
+ differenceEntropyIt.GoToBegin();
+ differenceVarianceIt.GoToBegin();
+ ic1It.GoToBegin();
+ ic2It.GoToBegin();
+
+ const double log2 = vcl_log(2.0);
+ const itk::SizeValueType histSize0 = m_HistSize[0];
+ const itk::SizeValueType histSize1 = m_HistSize[1];
+ const double minSizeHist = std::min (histSize0, histSize1);
+
+ // Set-up progress reporting
+ itk::ProgressReporter progress(this, threadId, outputRegionForThread.GetNumberOfPixels());
+
+ // Iterate on outputs to compute textures
+ while (!varianceIt.IsAtEnd()
+ && !meanIt.IsAtEnd()
+ && !dissimilarityIt.IsAtEnd()
+ && !sumAverageIt.IsAtEnd()
+ && !sumVarianceIt.IsAtEnd()
+ && !sumEntropytIt.IsAtEnd()
+ && !differenceEntropyIt.IsAtEnd()
+ && !differenceVarianceIt.IsAtEnd()
+ && !ic1It.IsAtEnd()
+ && !ic2It.IsAtEnd())
+ {
+ // Compute the region on which co-occurence will be estimated
+ typename InputRegionType::IndexType inputIndex;
+ typename InputRegionType::SizeType inputSize;
+
+ // First, create an window for neighborhood iterator based on m_Radius
+ // For example, if xradius and yradius is 2. window size is 5x5 (2 * radius + 1).
+ for (unsigned int dim = 0; dim < InputImageType::ImageDimension; ++dim)
+ {
+ inputIndex[dim] = varianceIt.GetIndex()[dim] - m_Radius[dim];
+ inputSize[dim] = 2 * m_Radius[dim] + 1;
+ }
+
+ // Build the input region
+ InputRegionType inputRegion;
+ inputRegion.SetIndex(inputIndex);
+ inputRegion.SetSize(inputSize);
+ inputRegion.Crop(inputPtr->GetRequestedRegion());
+
+ CooccurrenceIndexedListPointerType m_GLCIList = CooccurrenceIndexedListType::New();
+ m_GLCIList->Initialize(m_HistSize);
+
+ typedef itk::ConstNeighborhoodIterator< InputImageType > NeighborhoodIteratorType;
+ NeighborhoodIteratorType neighborIt;
+ neighborIt = NeighborhoodIteratorType(m_NeighborhoodRadius, inputPtr, inputRegion);
+ for ( neighborIt.GoToBegin(); !neighborIt.IsAtEnd(); ++neighborIt )
+ {
+ const InputPixelType centerPixelIntensity = neighborIt.GetCenterPixel();
+ if ( centerPixelIntensity < m_InputImageMinimum
+ || centerPixelIntensity > m_InputImageMaximum )
+ {
+ continue; // don't put a pixel in the histogram if the value
+ // is out-of-bounds.
+ }
+
+ bool pixelInBounds;
+ const InputPixelType pixelIntensity = neighborIt.GetPixel(m_Offset, pixelInBounds);
+ if ( !pixelInBounds )
+ {
+ continue; // don't put a pixel in the histogram if it's out-of-bounds.
+ }
+ if ( pixelIntensity < m_InputImageMinimum
+ || pixelIntensity > m_InputImageMaximum )
+ {
+ continue; // don't put a pixel in the histogram if the value
+ // is out-of-bounds.
+ }
+
+ CooccurrenceIndexType instanceIndex;
+ MeasurementVectorType measurement( MeasurementVectorSize );
+ measurement[0] = centerPixelIntensity;
+ measurement[1] = pixelIntensity;
+ //Get Index of the histogram for the given pixel pair;
+ m_Histogram->GetIndex(measurement, instanceIndex);
+ m_GLCIList->AddPairToList(instanceIndex);
+ }
+
+ MeasurementType m_Mean = itk::NumericTraits< MeasurementType >::Zero;
+ MeasurementType m_Variance = itk::NumericTraits< MeasurementType >::Zero;
+ MeasurementType m_Dissimilarity = itk::NumericTraits< MeasurementType >::Zero;
+ MeasurementType m_SumAverage = itk::NumericTraits< MeasurementType >::Zero;
+ MeasurementType m_SumEntropy = itk::NumericTraits< MeasurementType >::Zero;
+ MeasurementType m_SumVariance = itk::NumericTraits< MeasurementType >::Zero;
+ MeasurementType m_DifferenceEntropy = itk::NumericTraits< MeasurementType >::Zero;
+ MeasurementType m_DifferenceVariance = itk::NumericTraits< MeasurementType >::Zero;
+ MeasurementType m_IC1 = itk::NumericTraits< MeasurementType >::Zero;
+ MeasurementType m_IC2 = itk::NumericTraits< MeasurementType >::Zero;
+
+ double Entropy = 0;
+
+ long unsigned int twiceHistSize = histSize0 + histSize1;
+ typedef itk::Array<double> DoubleArrayType;
+ DoubleArrayType hx(histSize0);
+ DoubleArrayType hy(histSize0);
+ DoubleArrayType pdxy(twiceHistSize);
+
+ for(long unsigned int i = 0; i < histSize0; i++)
+ {
+ hx[i] = 0.0;
+ hy[i] = 0.0;
+ pdxy[i] = 0.0;
+ }
+ for(long unsigned int i = histSize0; i < twiceHistSize; i++)
+ {
+ pdxy[i] = 0.0;
+ }
+
+ /* hx.Fill(0.0); hy.Fill(0.0); pdxy.Fill(0.0); */
+ double hxy1 = 0;
+
+ VectorType glcList = m_GLCIList->GetVector();
+ TotalAbsoluteFrequencyType totalFrequency = m_GLCIList->GetTotalFrequency();
+
+ VectorIteratorType vectorIt;
+ //Normalize the GreyLevelCooccurrenceListType
+ //Compute Mean, Entropy (f12), hx, hy, pdxy
+ vectorIt = glcList.begin();
+ while( vectorIt != glcList.end())
+ {
+ CooccurrenceIndexType index = (*vectorIt).index;
+ double frequency = static_cast<double>((*vectorIt).frequency) / static_cast<double>(totalFrequency);
+ m_Mean += static_cast<double>(index[0]) * frequency;
+ Entropy -= (frequency > 0.0001) ? frequency * vcl_log(frequency) / log2 : 0.;
+ //update normalized frequency
+ (*vectorIt).frequency = frequency;
+
+ unsigned int i = index[1];
+ unsigned int j = index[0];
+ hx[j] += frequency;
+ hy[i] += frequency;
+
+ if( i+j > histSize0-1)
+ {
+ pdxy[i+j] += frequency;
+ }
+ if( i <= j )
+ {
+ pdxy[j-i] += frequency;
+ }
+
+ ++vectorIt;
+ }
+
+ VectorConstIteratorType constVectorIt;
+ //second pass over normalized co-occurrence list to find variance and pipj.
+ //pipj is needed to calculate f11
+ constVectorIt = glcList.begin();
+ while( constVectorIt != glcList.end())
+ {
+ double frequency = (*constVectorIt).frequency;
+ CooccurrenceIndexType index = (*constVectorIt).index;
+ unsigned int i = index[1];
+ unsigned int j = index[0];
+ double index0 = static_cast<double>(index[0]);
+ m_Variance += ((index0 - m_Mean) * (index0 - m_Mean)) * frequency;
+ double pipj = hx[j] * hy[i];
+ hxy1 -= (pipj > 0.0001) ? frequency * vcl_log(pipj) : 0.;
+ ++constVectorIt;
+ }
+
+ //iterate histSize to compute sumEntropy
+ double PSSquareCumul = 0;
+ for(long unsigned int k = histSize0; k < twiceHistSize; k++)
+ {
+ m_SumAverage += k * pdxy[k];
+ m_SumEntropy -= (pdxy[k] > 0.0001) ? pdxy[k] * vcl_log(pdxy[k]) / log2 : 0;
+ PSSquareCumul += k * k * pdxy[k];
+ }
+ m_SumVariance = PSSquareCumul - m_SumAverage * m_SumAverage;
+
+ double PDSquareCumul = 0;
+ double PDCumul = 0;
+ double hxCumul = 0;
+ double hyCumul = 0;
+
+ for (long unsigned int i = 0; i < minSizeHist; ++i)
+ {
+ double pdTmp = pdxy[i];
+ PDCumul += i * pdTmp;
+ m_DifferenceEntropy -= (pdTmp > 0.0001) ? pdTmp * vcl_log(pdTmp) / log2 : 0;
+ PDSquareCumul += i * i * pdTmp;
+
+ //comput hxCumul and hyCumul
+ double marginalfreq = hx[i];
+ hxCumul += (marginalfreq > 0.0001) ? vcl_log (marginalfreq) * marginalfreq : 0;
+
+ marginalfreq = hy[i];
+ hyCumul += (marginalfreq > 0.0001) ? vcl_log (marginalfreq) * marginalfreq : 0;
+ }
+ m_DifferenceVariance = PDSquareCumul - PDCumul * PDCumul;
+
+ /* pipj computed below is totally different from earlier one which was used
+ * to compute hxy1. This need to force an iterator over entire histogram.
+ Processing time is propotional to the histogram bin size */
+ double hxy2 = 0;
+ for(int i = 0; i < histSize0; ++i)
+ {
+ for(int j = 0; j < histSize1; ++j)
+ {
+ double pipj = hx[j] * hy[i];
+ hxy2 -= (pipj > 0.0001) ? pipj * vcl_log(pipj) : 0.;
+ double frequency = m_GLCIList->GetFrequency(i,j, glcList);
+ m_Dissimilarity+= ( j - i ) * (frequency * frequency);
+ }
+ }
+
+ //Information measures of correlation 1 & 2
+ m_IC1 = (vcl_abs(std::max (hxCumul, hyCumul)) > 0.0001) ? (Entropy - hxy1) / (std::max (hxCumul, hyCumul)) : 0;
+ m_IC2 = 1 - vcl_exp (-2. * vcl_abs (hxy2 - Entropy));
+ m_IC2 = (m_IC2 >= 0) ? vcl_sqrt (m_IC2) : 0;
+
+ // Fill outputs
+ meanIt.Set(m_Mean);
+ varianceIt.Set(m_Variance);
+ dissimilarityIt.Set(m_Dissimilarity);
+ sumAverageIt.Set(m_SumAverage);
+ sumVarianceIt.Set(m_SumVariance);
+ sumEntropytIt.Set(m_SumEntropy);
+ differenceEntropyIt.Set(m_DifferenceEntropy);
+ differenceVarianceIt.Set(m_DifferenceVariance);
+ ic1It.Set(m_IC1);
+ ic2It.Set(m_IC2);
+
+ // Update progress
+ progress.CompletedPixel();
+
+ // Increment iterators
+ ++varianceIt;
+ ++meanIt;
+ ++dissimilarityIt;
+ ++sumAverageIt;
+ ++sumVarianceIt;
+ ++sumEntropytIt;
+ ++differenceEntropyIt;
+ ++differenceVarianceIt;
+ ++ic1It;
+ ++ic2It;
+ }
+
+}
+
+} // End namespace otb
+
+#endif
--
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