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/*=========================================================================
Copyright (c) Kitware, Inc.
All rights reserved.
See Copyright.txt or http://www.kitware.com/VolViewCopyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#ifndef __itkMSEImageCalculator_h
#define __itkMSEImageCalculator_h
#include "itkObject.h"
#include "itkObjectFactory.h"
namespace itk
{
/** \class MSEImageCalculator
* This calculator computes the MSE between two images.
* It is templated over the image types.
*
* \ingroup Operators
*/
template <class TInputImage1, class TInputImage2 = TInputImage1>
class ITK_EXPORT MSEImageCalculator : public Object
{
public:
/** Standard class typedefs. */
typedef MSEImageCalculator Self;
typedef Object Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(MSEImageCalculator, Object);
/** Type definition for the input image. */
typedef TInputImage1 Image1Type;
typedef TInputImage2 Image2Type;
/** Pointer type for the image. */
typedef typename TInputImage1::Pointer Image1Pointer;
typedef typename TInputImage2::Pointer Image2Pointer;
/** Const Pointer type for the image. */
typedef typename TInputImage1::ConstPointer Image1ConstPointer;
typedef typename TInputImage2::ConstPointer Image2ConstPointer;
/** Type definition for the input image pixel type. */
typedef typename TInputImage1::PixelType Pixel1Type;
typedef typename TInputImage2::PixelType Pixel2Type;
/** Type definition for the input image index type. */
typedef typename TInputImage1::IndexType Index1Type;
typedef typename TInputImage2::IndexType Index2Type;
/** Type definition for the input image region type. */
typedef typename TInputImage1::RegionType RegionType;
typedef typename TInputImage1::PointType PointType;
typedef typename PointType::VectorType VectorType;
/** Set the input image. */
itkSetConstObjectMacro(Image1,Image1Type);
itkSetConstObjectMacro(Image2,Image2Type);
/** Compute the minimum and maximum values of intensity of the input image.
* Returns the MSE computed */
double Compute();
/** Return the minimum intensity value. */
itkGetConstMacro(MSE,double);
/** Set the region over which the values will be computed */
void SetRegion( const RegionType & region );
/** Set the radius. This calculator computes the MSE of the sphere within a
* particular radius from the center */
itkSetMacro( Radius, double );
itkGetMacro( Radius, double );
itkSetMacro( Center, PointType );
itkGetMacro( Center, PointType );
protected:
MSEImageCalculator();
virtual ~MSEImageCalculator() {};
void PrintSelf(std::ostream& os, Indent indent) const;
private:
MSEImageCalculator(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
PointType m_Center;
double m_Radius;
double m_MSE;
Image1ConstPointer m_Image1;
Image2ConstPointer m_Image2;
RegionType m_Region;
bool m_RegionSetByUser;
};
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkMSEImageCalculator.txx"
#endif
#endif /* __itkMSEImageCalculator_h */
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