mitkQuaternionAveraging.h

Go to the documentation of this file.

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

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 QUATERNIONAVERAGING_H_HEADER_INCLUDED_
#define QUATERNIONAVERAGING_H_HEADER_INCLUDED_

#include "MitkIGTBaseExports.h"
#include <itkObject.h>
#include <itkObjectFactory.h>
#include <mitkCommon.h>
#include <mitkQuaternion.h>
#include <mitkVector.h>
#include <vector>


namespace mitk {
  class MITKIGTBASE_EXPORT QuaternionAveraging : public itk::Object
    {
    public:

      mitkClassMacroItkParent(QuaternionAveraging, itk::Object);
      itkNewMacro(Self);

      enum Mode
      {
      SimpleMean, //simple averaging over all components of the quaternion, only valid for small differences.
      Slerp       //more advanced algorithm for averaging (spherical linear interpolation), may also be used for huge differences
      };

      static mitk::Quaternion CalcAverage(const std::vector<Quaternion>& quaternions, Mode mode = SimpleMean);

    protected:
      QuaternionAveraging();
      virtual ~QuaternionAveraging();

    };
} // Ende Namespace
#endif