QmitkMutualInformationMetricView.cpp

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/*===================================================================

The Medical Imaging Interaction Toolkit (MITK)

Copyright (c) German Cancer Research Center,
Division of Medical and Biological Informatics.
All rights reserved.

This software is distributed WITHOUT ANY WARRANTY; without
even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE.

See LICENSE.txt or http://www.mitk.org for details.

===================================================================*/

#include "QmitkMutualInformationMetricView.h"
#include "mitkImageAccessByItk.h"
#include <itkMutualInformationImageToImageMetric.h>

QmitkMutualInformationMetricView::QmitkMutualInformationMetricView(QWidget *parent, Qt::WindowFlags f)
  : QmitkRigidRegistrationMetricsGUIBase(parent, f)
{
}

QmitkMutualInformationMetricView::~QmitkMutualInformationMetricView()
{
}

mitk::MetricParameters::MetricType QmitkMutualInformationMetricView::GetMetricType()
{
  return mitk::MetricParameters::MUTUALINFORMATIONIMAGETOIMAGEMETRIC;
}

itk::Object::Pointer QmitkMutualInformationMetricView::GetMetric()
{
  if (m_MovingImage.IsNotNull())
  {
    AccessByItk(m_MovingImage, GetMetric2);
    return m_MetricObject;
  }
  return nullptr;
}

template <class TPixelType, unsigned int VImageDimension>
itk::Object::Pointer QmitkMutualInformationMetricView::GetMetric2(
  itk::Image<TPixelType, VImageDimension> * /*itkImage1*/)
{
  typedef typename itk::Image<TPixelType, VImageDimension> FixedImageType;
  typedef typename itk::Image<TPixelType, VImageDimension> MovingImageType;
  typename itk::MutualInformationImageToImageMetric<FixedImageType, MovingImageType>::Pointer MetricPointer =
    itk::MutualInformationImageToImageMetric<FixedImageType, MovingImageType>::New();
  MetricPointer->SetNumberOfSpatialSamples(m_Controls.m_NumberOfSpatialSamplesMutualInformation->text().toInt());
  MetricPointer->SetFixedImageStandardDeviation(
    m_Controls.m_FixedImageStandardDeviationMutualInformation->text().toFloat());
  MetricPointer->SetMovingImageStandardDeviation(
    m_Controls.m_MovingImageStandardDeviationMutualInformation->text().toFloat());
  MetricPointer->SetComputeGradient(m_Controls.m_ComputeGradient->isChecked());
  m_MetricObject = MetricPointer.GetPointer();
  return MetricPointer.GetPointer();
}

itk::Array<double> QmitkMutualInformationMetricView::GetMetricParameters()
{
  itk::Array<double> metricValues;
  metricValues.SetSize(4);
  metricValues.fill(0);
  metricValues[0] = m_Controls.m_ComputeGradient->isChecked();
  metricValues[1] = m_Controls.m_NumberOfSpatialSamplesMutualInformation->text().toInt();
  metricValues[2] = m_Controls.m_FixedImageStandardDeviationMutualInformation->text().toFloat();
  metricValues[3] = m_Controls.m_MovingImageStandardDeviationMutualInformation->text().toFloat();
  return metricValues;
}

void QmitkMutualInformationMetricView::SetMetricParameters(itk::Array<double> metricValues)
{
  m_Controls.m_ComputeGradient->setChecked(metricValues[0]);
  m_Controls.m_NumberOfSpatialSamplesMutualInformation->setText(QString::number(metricValues[1]));
  m_Controls.m_FixedImageStandardDeviationMutualInformation->setText(QString::number(metricValues[2]));
  m_Controls.m_MovingImageStandardDeviationMutualInformation->setText(QString::number(metricValues[3]));
}

QString QmitkMutualInformationMetricView::GetName()
{
  return "MutualInformation";
}

void QmitkMutualInformationMetricView::SetupUI(QWidget *parent)
{
  m_Controls.setupUi(parent);
  QValidator *validatorLineEditInput = new QIntValidator(0, 20000000, this);
  m_Controls.m_NumberOfSpatialSamplesMutualInformation->setValidator(validatorLineEditInput);
  QValidator *validatorLineEditInputFloat = new QDoubleValidator(0, 20000000, 8, this);
  m_Controls.m_FixedImageStandardDeviationMutualInformation->setValidator(validatorLineEditInputFloat);
  m_Controls.m_MovingImageStandardDeviationMutualInformation->setValidator(validatorLineEditInputFloat);
}

bool QmitkMutualInformationMetricView::Maximize()
{
  return true;
}