mitkAnisotropicRegistrationCommon.h

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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.

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

#ifndef __ANISOTROPICREGISTRATIONCOMMON_H__
#define __ANISOTROPICREGISTRATIONCOMMON_H__

#include <itkMatrix.h>
#include <mitkCommon.h>
#include <mitkVector.h>

#include "MitkAlgorithmsExtExports.h"

// forward declarations
class vtkPoints;

namespace mitk
{
  class PointSet;

  class MITKALGORITHMSEXT_EXPORT AnisotropicRegistrationCommon
  {
  protected:
    // local typedefs

    typedef itk::Matrix<double, 3, 3> WeightMatrix;
    typedef WeightMatrix Rotation;
    typedef WeightMatrix CovarianceMatrix;
    typedef mitk::Vector3D Translation;
    typedef std::vector<WeightMatrix> MatrixList;

    AnisotropicRegistrationCommon() {}
    ~AnisotropicRegistrationCommon() {}
  public:
    static WeightMatrix CalculateWeightMatrix(const CovarianceMatrix &sigma_X, const CovarianceMatrix &sigma_Y);

    static void TransformPoints(vtkPoints *src,
                                vtkPoints *dst,
                                const Rotation &rotation,
                                const Translation &translation);

    static void PropagateMatrices(const MatrixList &src, MatrixList &dst, const Rotation &rotation);

    static double ComputeTargetRegistrationError(const mitk::PointSet *movingTargets,
                                                 const mitk::PointSet *fixedTargets,
                                                 const Rotation &rotation,
                                                 const Translation &translation);
  };
}

#endif