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itkPointSetToPointSetRegistrationMethod.hxx
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itkPointSetToPointSetRegistrationMethod.hxx
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/*=========================================================================
*
* Copyright NumFOCUS
*
* 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 itkPointSetToPointSetRegistrationMethod_hxx
#define itkPointSetToPointSetRegistrationMethod_hxx
namespace itk
{
template <typename TFixedPointSet, typename TMovingPointSet>
PointSetToPointSetRegistrationMethod<TFixedPointSet, TMovingPointSet>::PointSetToPointSetRegistrationMethod()
{
this->SetNumberOfRequiredOutputs(1);
m_InitialTransformParameters = ParametersType(FixedPointSetType::PointDimension);
m_LastTransformParameters = ParametersType(FixedPointSetType::PointDimension);
m_InitialTransformParameters.Fill(0);
m_LastTransformParameters.Fill(0);
TransformOutputPointer transformDecorator =
itkDynamicCastInDebugMode<TransformOutputType *>(this->MakeOutput(0).GetPointer());
this->ProcessObject::SetNthOutput(0, transformDecorator.GetPointer());
}
template <typename TFixedPointSet, typename TMovingPointSet>
void
PointSetToPointSetRegistrationMethod<TFixedPointSet, TMovingPointSet>::SetInitialTransformParameters(
const ParametersType & param)
{
m_InitialTransformParameters = param;
this->Modified();
}
template <typename TFixedPointSet, typename TMovingPointSet>
void
PointSetToPointSetRegistrationMethod<TFixedPointSet, TMovingPointSet>::Initialize()
{
if (!m_FixedPointSet)
{
itkExceptionMacro(<< "FixedPointSet is not present");
}
if (!m_MovingPointSet)
{
itkExceptionMacro(<< "MovingPointSet is not present");
}
if (!m_Metric)
{
itkExceptionMacro(<< "Metric is not present");
}
if (!m_Optimizer)
{
itkExceptionMacro(<< "Optimizer is not present");
}
if (!m_Transform)
{
itkExceptionMacro(<< "Transform is not present");
}
// Set up the metric
m_Metric->SetMovingPointSet(m_MovingPointSet);
m_Metric->SetFixedPointSet(m_FixedPointSet);
m_Metric->SetTransform(m_Transform);
m_Metric->Initialize();
// Set up the optimizer
m_Optimizer->SetCostFunction(m_Metric);
// Validate initial transform parameters
if (m_InitialTransformParameters.Size() != m_Transform->GetNumberOfParameters())
{
itkExceptionMacro(<< "Size mismatch between initial parameter and transform");
}
m_Optimizer->SetInitialPosition(m_InitialTransformParameters);
// Connect the transform to the Decorator
auto * transformOutput = static_cast<TransformOutputType *>(this->ProcessObject::GetOutput(0));
transformOutput->Set(m_Transform);
}
template <typename TFixedPointSet, typename TMovingPointSet>
void
PointSetToPointSetRegistrationMethod<TFixedPointSet, TMovingPointSet>::GenerateData()
{
// Initialize the interconnects between components
try
{
this->Initialize();
}
catch (ExceptionObject & err)
{
m_LastTransformParameters = ParametersType(1);
m_LastTransformParameters.Fill(0.0f);
// Pass the exception to the caller
throw err;
}
// Do the optimization
try
{
m_Optimizer->StartOptimization();
}
catch (ExceptionObject & err)
{
// An error has occurred in the optimization.
// Update the parameters
m_LastTransformParameters = m_Optimizer->GetCurrentPosition();
// Pass the exception to the caller
throw err;
}
// Get the results
m_LastTransformParameters = m_Optimizer->GetCurrentPosition();
m_Transform->SetParameters(m_LastTransformParameters);
}
template <typename TFixedPointSet, typename TMovingPointSet>
auto
PointSetToPointSetRegistrationMethod<TFixedPointSet, TMovingPointSet>::GetOutput() const -> const TransformOutputType *
{
return static_cast<const TransformOutputType *>(this->ProcessObject::GetOutput(0));
}
template <typename TFixedPointSet, typename TMovingPointSet>
DataObject::Pointer
PointSetToPointSetRegistrationMethod<TFixedPointSet, TMovingPointSet>::MakeOutput(DataObjectPointerArraySizeType output)
{
if (output > 0)
{
itkExceptionMacro("MakeOutput request for an output number larger than the expected number of outputs.");
}
return TransformOutputType::New().GetPointer();
}
template <typename TFixedPointSet, typename TMovingPointSet>
ModifiedTimeType
PointSetToPointSetRegistrationMethod<TFixedPointSet, TMovingPointSet>::GetMTime() const
{
ModifiedTimeType mtime = Superclass::GetMTime();
ModifiedTimeType m;
// Some of the following should be removed once ivars are put in the
// input and output lists
if (m_Transform)
{
m = m_Transform->GetMTime();
mtime = (m > mtime ? m : mtime);
}
if (m_Metric)
{
m = m_Metric->GetMTime();
mtime = (m > mtime ? m : mtime);
}
if (m_Optimizer)
{
m = m_Optimizer->GetMTime();
mtime = (m > mtime ? m : mtime);
}
if (m_FixedPointSet)
{
m = m_FixedPointSet->GetMTime();
mtime = (m > mtime ? m : mtime);
}
if (m_MovingPointSet)
{
m = m_MovingPointSet->GetMTime();
mtime = (m > mtime ? m : mtime);
}
return mtime;
}
template <typename TFixedPointSet, typename TMovingPointSet>
void
PointSetToPointSetRegistrationMethod<TFixedPointSet, TMovingPointSet>::PrintSelf(std::ostream & os, Indent indent) const
{
Superclass::PrintSelf(os, indent);
itkPrintSelfObjectMacro(Metric);
itkPrintSelfObjectMacro(Optimizer);
itkPrintSelfObjectMacro(Transform);
itkPrintSelfObjectMacro(FixedPointSet);
itkPrintSelfObjectMacro(MovingPointSet);
os << indent << "Initial Transform Parameters: " << m_InitialTransformParameters << std::endl;
os << indent << "Last Transform Parameters: " << m_LastTransformParameters << std::endl;
}
} // end namespace itk
#endif