/usr/include/ITK-4.5/itkJointHistogramMutualInformationImageToImageMetricv4.h is in libinsighttoolkit4-dev 4.5.0-3.
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*
* Copyright Insight Software Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#ifndef __itkJointHistogramMutualInformationImageToImageMetricv4_h
#define __itkJointHistogramMutualInformationImageToImageMetricv4_h
#include "itkImageToImageMetricv4.h"
#include "itkImage.h"
#include "itkBSplineDerivativeKernelFunction.h"
#include "itkJointHistogramMutualInformationComputeJointPDFThreader.h"
#include "itkJointHistogramMutualInformationGetValueAndDerivativeThreader.h"
namespace itk
{
/** \class JointHistogramMutualInformationImageToImageMetricv4
* \brief Computes the mutual information between two images to be
* registered using the method referenced below.
*
* References:
* [1] "Optimization of Mutual Information for MultiResolution Image
* Registration"
* P. Thevenaz and M. Unser
* IEEE Transactions in Image Processing, 9(12) December 2000.
*
* \ingroup ITKMetricsv4
*/
template<typename TFixedImage,typename TMovingImage,typename TVirtualImage = TFixedImage,
typename TInternalComputationValueType = double,
typename TMetricTraits = DefaultImageToImageMetricTraitsv4<TFixedImage,TMovingImage,TVirtualImage,TInternalComputationValueType>
>
class JointHistogramMutualInformationImageToImageMetricv4 :
public ImageToImageMetricv4<TFixedImage, TMovingImage, TVirtualImage, TInternalComputationValueType, TMetricTraits>
{
public:
/** Standard class typedefs. */
typedef JointHistogramMutualInformationImageToImageMetricv4 Self;
typedef ImageToImageMetricv4<TFixedImage, TMovingImage, TVirtualImage,
TInternalComputationValueType,TMetricTraits> Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(JointHistogramMutualInformationImageToImageMetricv4, ImageToImageMetricv4);
/** Type used for representing parameter values */
typedef typename Superclass::CoordinateRepresentationType
CoordinateRepresentationType;
/** Type used internally for computations */
/** It should be possible to derive the internal computation type from the class object. */
typedef TInternalComputationValueType InternalComputationValueType;
/** Type of the parameters. */
typedef typename Superclass::ParametersType ParametersType;
typedef typename Superclass::ParametersValueType ParametersValueType;
typedef typename Superclass::NumberOfParametersType NumberOfParametersType;
/** Superclass typedefs */
typedef typename Superclass::MeasureType MeasureType;
typedef typename Superclass::DerivativeType DerivativeType;
typedef typename Superclass::FixedImagePointType FixedImagePointType;
typedef typename Superclass::FixedImagePixelType FixedImagePixelType;
typedef typename Superclass::FixedGradientPixelType FixedImageGradientType;
typedef typename Superclass::MovingImagePointType MovingImagePointType;
typedef typename Superclass::MovingImagePixelType MovingImagePixelType;
typedef typename Superclass::MovingGradientPixelType MovingImageGradientType;
typedef typename Superclass::FixedTransformType::JacobianType FixedTransformJacobianType;
typedef typename Superclass::MovingTransformType::JacobianType MovingTransformJacobianType;
typedef typename Superclass::VirtualImageType VirtualImageType;
typedef typename Superclass::VirtualIndexType VirtualIndexType;
typedef typename Superclass::VirtualPointType VirtualPointType;
typedef typename Superclass::VirtualPointSetType VirtualPointSetType;
/* Image dimension accessors */
itkStaticConstMacro(VirtualImageDimension, ImageDimensionType,
TVirtualImage::ImageDimension);
itkStaticConstMacro(MovingImageDimension, ImageDimensionType,
TMovingImage::ImageDimension);
/** Value type of the PDF */
typedef TInternalComputationValueType PDFValueType;
/** Typedef for the joint PDF and marginal PDF are stored as ITK Images. */
typedef Image<PDFValueType,1> MarginalPDFType;
typedef typename MarginalPDFType::IndexType MarginalPDFIndexType;
typedef typename MarginalPDFType::PointType MarginalPDFPointType;
typedef Image< PDFValueType, 2> JointPDFType;
typedef typename JointPDFType::IndexType JointPDFIndexType;
typedef typename JointPDFType::PointType JointPDFPointType;
typedef typename JointPDFType::IndexValueType JointPDFIndexValueType;
/** Get the JointPDF. Valid after GetValueAndDerivative has been called. */
itkGetModifiableObjectMacro(JointPDF, JointPDFType );
// Declare the type for the derivative calculation
typedef itk::GradientRecursiveGaussianImageFilter< JointPDFType > JPDFGradientFilterType;
typedef typename JPDFGradientFilterType::OutputImageType JPDFGradientImageType;
typedef typename JPDFGradientImageType::Pointer JPDFGradientImagePointer;
typedef itk::GradientRecursiveGaussianImageFilter< MarginalPDFType > MarginalGradientFilterType;
typedef typename MarginalGradientFilterType::OutputImageType MarginalGradientImageType;
typedef typename MarginalGradientImageType::Pointer MarginalGradientImagePointer;
/** pdf interpolator */
typedef LinearInterpolateImageFunction<JointPDFType,double> JointPDFInterpolatorType;
typedef typename JointPDFInterpolatorType::Pointer JointPDFInterpolatorPointer;
typedef LinearInterpolateImageFunction<MarginalPDFType,double> MarginalPDFInterpolatorType;
typedef typename MarginalPDFInterpolatorType::Pointer MarginalPDFInterpolatorPointer;
/** Joint PDF types */
typedef typename JointPDFType::PixelType JointPDFValueType;
typedef typename JointPDFType::RegionType JointPDFRegionType;
typedef typename JointPDFType::SizeType JointPDFSizeType;
typedef typename JointPDFType::SpacingType JointPDFSpacingType;
/** Get/Set the number of histogram bins */
itkSetClampMacro( NumberOfHistogramBins, SizeValueType, 5, NumericTraits< SizeValueType >::max() );
itkGetConstReferenceMacro(NumberOfHistogramBins, SizeValueType );
/** Get/Set option to smooth the joint pdf after it's updated */
itkSetMacro(VarianceForJointPDFSmoothing, TInternalComputationValueType);
itkGetMacro(VarianceForJointPDFSmoothing, TInternalComputationValueType);
/** Initialize the metric. Make sure all essential inputs are plugged in. */
virtual void Initialize() throw (itk::ExceptionObject);
virtual MeasureType GetValue() const;
protected:
JointHistogramMutualInformationImageToImageMetricv4();
virtual ~JointHistogramMutualInformationImageToImageMetricv4();
/** Update the histograms for use in GetValueAndDerivative
* Results are returned in \c value and \c derivative.
*/
virtual void InitializeForIteration() const;
/** Compute the metric value. For internal use. */
MeasureType ComputeValue() const;
/** Compute the point location with the JointPDF image. Returns false if the
* point is not inside the image. */
inline void ComputeJointPDFPoint( const FixedImagePixelType fixedImageValue, const MovingImagePixelType movingImageValue, JointPDFPointType & jointPDFpoint ) const;
friend class JointHistogramMutualInformationComputeJointPDFThreaderBase< ThreadedImageRegionPartitioner< Self::VirtualImageDimension >, Self >;
friend class JointHistogramMutualInformationComputeJointPDFThreaderBase< ThreadedIndexedContainerPartitioner, Self >;
friend class JointHistogramMutualInformationComputeJointPDFThreader< ThreadedImageRegionPartitioner< Self::VirtualImageDimension >, Self >;
friend class JointHistogramMutualInformationComputeJointPDFThreader< ThreadedIndexedContainerPartitioner, Self >;
typedef JointHistogramMutualInformationComputeJointPDFThreader< ThreadedImageRegionPartitioner< Self::VirtualImageDimension >, Self >
JointHistogramMutualInformationDenseComputeJointPDFThreaderType;
typedef JointHistogramMutualInformationComputeJointPDFThreader< ThreadedIndexedContainerPartitioner, Self >
JointHistogramMutualInformationSparseComputeJointPDFThreaderType;
typename JointHistogramMutualInformationDenseComputeJointPDFThreaderType::Pointer m_JointHistogramMutualInformationDenseComputeJointPDFThreader;
typename JointHistogramMutualInformationSparseComputeJointPDFThreaderType::Pointer m_JointHistogramMutualInformationSparseComputeJointPDFThreader;
friend class JointHistogramMutualInformationGetValueAndDerivativeThreader< ThreadedImageRegionPartitioner< Superclass::VirtualImageDimension >, Superclass, Self >;
friend class JointHistogramMutualInformationGetValueAndDerivativeThreader< ThreadedIndexedContainerPartitioner, Superclass, Self >;
typedef JointHistogramMutualInformationGetValueAndDerivativeThreader< ThreadedImageRegionPartitioner< Superclass::VirtualImageDimension >, Superclass, Self >
JointHistogramMutualInformationDenseGetValueAndDerivativeThreaderType;
typedef JointHistogramMutualInformationGetValueAndDerivativeThreader< ThreadedIndexedContainerPartitioner, Superclass, Self >
JointHistogramMutualInformationSparseGetValueAndDerivativeThreaderType;
/** Standard PrintSelf method. */
void PrintSelf(std::ostream & os, Indent indent) const;
/** Count of the number of valid histogram points. */
SizeValueType m_JointHistogramTotalCount;
private:
JointHistogramMutualInformationImageToImageMetricv4(const Self &); //purposely not implemented
void operator=(const Self &); //purposely not implemented
/** The fixed image marginal PDF */
typename MarginalPDFType::Pointer m_FixedImageMarginalPDF;
/** The moving image marginal PDF. */
typename MarginalPDFType::Pointer m_MovingImageMarginalPDF;
/** The joint PDF and PDF derivatives. */
mutable typename JointPDFType::Pointer m_JointPDF;
/** Flag to control smoothing of joint pdf */
TInternalComputationValueType m_VarianceForJointPDFSmoothing;
/** Variables to define the marginal and joint histograms. */
SizeValueType m_NumberOfHistogramBins;
TInternalComputationValueType m_FixedImageTrueMin;
TInternalComputationValueType m_FixedImageTrueMax;
TInternalComputationValueType m_MovingImageTrueMin;
TInternalComputationValueType m_MovingImageTrueMax;
TInternalComputationValueType m_FixedImageBinSize;
TInternalComputationValueType m_MovingImageBinSize;
TInternalComputationValueType m_JointPDFSum;
JointPDFSpacingType m_JointPDFSpacing;
TInternalComputationValueType m_Log2;
JointPDFIndexValueType m_Padding;
};
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkJointHistogramMutualInformationImageToImageMetricv4.hxx"
#endif
#endif
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