Skip to content

ENH: Add support for multiple metrics and regularization #1437

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
Leirbag-gabrieL wants to merge 1 commit into
base: main
Choose a base branch
from
+74 −21
Open

ENH: Add support for multiple metrics and regularization #1437

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
11 changes: 11 additions & 0 deletions ...s/Registrations/MultiMetricMultiResolutionRegistration/itkCombinationImageToImageMetric.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@
#ifndef itkCombinationImageToImageMetric_h
#define itkCombinationImageToImageMetric_h

#include "itkTransformPenaltyTerm.h"
#include "itkAdvancedImageToImageMetric.h"
#include "itkSingleValuedPointSetToPointSetMetric.h"

Expand Down Expand Up @@ -131,6 +132,10 @@ class ITK_TEMPLATE_EXPORT CombinationImageToImageMetric : public AdvancedImageTo
using MovingImageRegionType = typename MovingImageType::RegionType;
using MovingImageDerivativeScalesType = FixedArray<double, Self::MovingImageDimension>;

/** Typedef for transform penalty metrics. */
typedef TransformPenaltyTerm<TFixedImage> TransformMetricType;
typedef typename TransformMetricType::Pointer TransformMetricPointer;

/** Typedef for the PointSetMetric. */
using FixedPointSetType = PointSet<CoordinateRepresentationType,
TFixedImage::ImageDimension,
Expand Down Expand Up @@ -163,6 +168,9 @@ class ITK_TEMPLATE_EXPORT CombinationImageToImageMetric : public AdvancedImageTo

/** Get the number of metrics to combine. */
itkGetConstMacro(NumberOfMetrics, unsigned int);
itkGetConstMacro(NumberOfImageMetrics, unsigned int);
itkGetConstMacro(NumberOfTransformMetrics, unsigned int);
itkGetConstMacro(NumberOfPointSetMetrics, unsigned int);

/** Set metric i. It may be a SingleValuedCostFunction, instead of
* a ImageToImageMetric, but the first one should be an
Expand Down Expand Up @@ -453,6 +461,9 @@ class ITK_TEMPLATE_EXPORT CombinationImageToImageMetric : public AdvancedImageTo
private:
/** Store the metrics and the corresponding weights. */
unsigned int m_NumberOfMetrics{ 0 };
unsigned int m_NumberOfImageMetrics{ 0 };
unsigned int m_NumberOfTransformMetrics{ 0 };
unsigned int m_NumberOfPointSetMetrics{ 0 };
std::vector<SingleValuedCostFunctionPointer> m_Metrics{};
std::vector<double> m_MetricWeights{};
std::vector<double> m_MetricRelativeWeights{};
Expand Down
48 changes: 45 additions & 3 deletions ...Registrations/MultiMetricMultiResolutionRegistration/itkCombinationImageToImageMetric.hxx
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -160,6 +160,9 @@ CombinationImageToImageMetric<TFixedImage, TMovingImage>::PrintSelf(std::ostream

/** Add debugging information. */
os << "NumberOfMetrics: " << this->m_NumberOfMetrics << std::endl;
os << "NumberOfImageMetrics: " << this->m_NumberOfImageMetrics << std::endl;
os << "NumberOfTransformMetrics: " << this->m_NumberOfTransformMetrics << std::endl;
os << "NumberOfPointSetMetrics: " << this->m_NumberOfPointSetMetrics << std::endl;
for (unsigned int i = 0; i < this->m_NumberOfMetrics; ++i)
{
os << "Metric " << i << ":\n";
Expand Down Expand Up @@ -275,12 +278,51 @@ CombinationImageToImageMetric<TFixedImage, TMovingImage>::SetMetric(SingleValued
this->SetNumberOfMetrics(pos + 1);
}

if (metric != this->m_Metrics[pos])
SingleValuedCostFunctionPointer oldMetricPtr = this->m_Metrics[pos];
if (metric == oldMetricPtr)
{
this->m_Metrics[pos] = metric;
this->Modified();
return;
}

PointSetMetricType * testPtr1 = dynamic_cast<PointSetMetricType *>(metric);
TransformMetricType * testPtr2 = dynamic_cast<TransformMetricType *>(metric);

// Increase newly defined numberOfMetric counters
if (testPtr1)
{
this->m_NumberOfPointSetMetrics++;
}
else if (testPtr2)
{
this->m_NumberOfTransformMetrics++;
}
else
{
this->m_NumberOfImageMetrics++;
}

// if the metric has already been set, decrease the correct counter
if (oldMetricPtr != nullptr)
{
PointSetMetricType * oldTestPtr1 = dynamic_cast<PointSetMetricType *>(oldMetricPtr.GetPointer());
TransformMetricType * oldTestPtr2 = dynamic_cast<TransformMetricType *>(oldMetricPtr.GetPointer());
if (oldTestPtr1)
{
this->m_NumberOfPointSetMetrics--;
}
else if (oldTestPtr2)
{
this->m_NumberOfTransformMetrics--;
}
else
{
this->m_NumberOfImageMetrics--;
}
}

this->m_Metrics[pos] = metric;
this->Modified();

} // end SetMetric()


Expand Down
36 changes: 18 additions & 18 deletions ...etricMultiResolutionRegistration/itkMultiMetricMultiResolutionImageRegistrationMethod.hxx
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -565,44 +565,44 @@ MultiMetricMultiResolutionImageRegistrationMethod<TFixedImage, TMovingImage>::Ch
}

/** nrofmetrics >= nrofinterpolators >= nrofpyramids >= nofimages */
unsigned int nrOfMetrics = m_CombinationMetric->GetNumberOfMetrics();
if (this->GetNumberOfInterpolators() > nrOfMetrics)
unsigned int nrOfImageMetrics = this->GetCombinationMetric()->GetNumberOfImageMetrics();
if (this->GetNumberOfInterpolators() > nrOfImageMetrics)
{
itkExceptionMacro("NumberOfInterpolators can not exceed the NumberOfMetrics in the CombinationMetric!");
itkExceptionMacro("NumberOfInterpolators can not exceed the nrOfImageMetrics in the CombinationMetric!");
}
if (this->GetNumberOfFixedImagePyramids() > nrOfMetrics)
if (this->GetNumberOfFixedImagePyramids() > nrOfImageMetrics)
{
itkExceptionMacro("NumberOfFixedImagePyramids can not exceed the NumberOfMetrics in the CombinationMetric!");
itkExceptionMacro("NumberOfFixedImagePyramids can not exceed the nrOfImageMetrics in the CombinationMetric!");
}
if (this->GetNumberOfMovingImagePyramids() > nrOfMetrics)
if (this->GetNumberOfMovingImagePyramids() > nrOfImageMetrics)
{
itkExceptionMacro("NumberOfMovingImagePyramids can not exceed the NumberOfMetrics in the CombinationMetric!");
itkExceptionMacro("NumberOfMovingImagePyramids can not exceed the nrOfImageMetrics in the CombinationMetric!");
}
if (this->GetNumberOfMovingImagePyramids() > this->GetNumberOfInterpolators())
{
itkExceptionMacro("NumberOfMovingImagePyramids can not exceed the NumberOfInterpolators!");
}

/** For all components: ==nrofmetrics of ==1. */
if ((this->GetNumberOfInterpolators() != 1) && (this->GetNumberOfInterpolators() != nrOfMetrics))
/** For all components: ==nrOfImageMetrics of ==1. */
if ((this->GetNumberOfInterpolators() != 1) && (this->GetNumberOfInterpolators() != nrOfImageMetrics))
{
itkExceptionMacro("The NumberOfInterpolators should equal 1 or equal the NumberOfMetrics");
itkExceptionMacro("The NumberOfInterpolators should equal 1 or equal the nrOfImageMetrics");
}
if ((this->GetNumberOfFixedImagePyramids() != 1) && (this->GetNumberOfFixedImagePyramids() != nrOfMetrics))
if ((this->GetNumberOfFixedImagePyramids() != 1) && (this->GetNumberOfFixedImagePyramids() != nrOfImageMetrics))
{
itkExceptionMacro("The NumberOfFixedImagePyramids should equal 1 or equal the NumberOfMetrics");
itkExceptionMacro("The NumberOfFixedImagePyramids should equal 1 or equal the nrOfImageMetrics");
}
if ((this->GetNumberOfMovingImagePyramids() != 1) && (this->GetNumberOfMovingImagePyramids() != nrOfMetrics))
if ((this->GetNumberOfMovingImagePyramids() != 1) && (this->GetNumberOfMovingImagePyramids() != nrOfImageMetrics))
{
itkExceptionMacro("The NumberOfMovingImagePyramids should equal 1 or equal the NumberOfMetrics");
itkExceptionMacro("The NumberOfMovingImagePyramids should equal 1 or equal the nrOfImageMetrics");
}
if ((this->GetNumberOfFixedImages() != 1) && (this->GetNumberOfFixedImages() != nrOfMetrics))
if ((this->GetNumberOfFixedImages() != 1) && (this->GetNumberOfFixedImages() != nrOfImageMetrics))
{
itkExceptionMacro("The NumberOfFixedImages should equal 1 or equal the NumberOfMetrics");
itkExceptionMacro("The NumberOfFixedImages should equal 1 or equal the nrOfImageMetrics");
}
if ((this->GetNumberOfMovingImages() != 1) && (this->GetNumberOfMovingImages() != nrOfMetrics))
if ((this->GetNumberOfMovingImages() != 1) && (this->GetNumberOfMovingImages() != nrOfImageMetrics))
{
itkExceptionMacro("The NumberOfMovingImages should equal 1 or equal the NumberOfMetrics");
itkExceptionMacro("The NumberOfMovingImages should equal 1 or equal the nrOfImageMetrics");
}

} // end CheckOnInitialize()
Expand Down