Applies a total variation denoising filter to an image. More...

#include <itkTotalVariationDenoisingImageFilter.h>

Public Types
typedef TInputImage	InputImageType
typedef TOutputImage	OutputImageType
typedef TotalVariationDenoisingImageFilter	Self
typedef ImageToImageFilter < InputImageType, OutputImageType >	Superclass
typedef SmartPointer< Self >	Pointer
typedef SmartPointer< const Self >	ConstPointer
typedef InputImageType::PixelType	InputPixelType
typedef OutputImageType::PixelType	OutputPixelType
typedef InputImageType::RegionType	InputImageRegionType
typedef OutputImageType::RegionType	OutputImageRegionType
typedef InputImageType::SizeType	InputSizeType
typedef TotalVariationSingleIterationImageFilter < TOutputImage, TOutputImage >	SingleIterationFilterType
typedef itk::CastImageFilter < TInputImage, TOutputImage >	CastType
Public Member Functions
	itkStaticConstMacro (InputImageDimension, unsigned int, TInputImage::ImageDimension)
	itkStaticConstMacro (OutputImageDimension, unsigned int, TOutputImage::ImageDimension)
virtual const char *	GetClassName () const
virtual void	SetLambda (double _arg)
virtual double	GetLambda ()
virtual void	SetNumberIterations (int _arg)
virtual int	GetNumberIterations ()
Static Public Member Functions
static Pointer	New ()
Protected Member Functions
	TotalVariationDenoisingImageFilter ()
virtual	~TotalVariationDenoisingImageFilter ()
void	PrintSelf (std::ostream &os, Indent indent) const
void	GenerateData ()
Protected Attributes
double	m_Lambda
int	m_NumberIterations

Detailed Description

template<class TInputImage, class TOutputImage>
class itk::TotalVariationDenoisingImageFilter< TInputImage, TOutputImage >

Applies a total variation denoising filter to an image.

Reference: Tony F. Chan et al., The digital TV filter and nonlinear denoising

See also:: Image; Neighborhood; NeighborhoodOperator; NeighborhoodIterator

Definition at line 36 of file itkTotalVariationDenoisingImageFilter.h.

Member Typedef Documentation

template<class TInputImage , class TOutputImage >

typedef itk::CastImageFilter< TInputImage, TOutputImage > itk::TotalVariationDenoisingImageFilter< TInputImage, TOutputImage >::CastType

Definition at line 74 of file itkTotalVariationDenoisingImageFilter.h.

template<class TInputImage , class TOutputImage >

typedef SmartPointer<const Self> itk::TotalVariationDenoisingImageFilter< TInputImage, TOutputImage >::ConstPointer

Definition at line 54 of file itkTotalVariationDenoisingImageFilter.h.

template<class TInputImage , class TOutputImage >

typedef InputImageType::RegionType itk::TotalVariationDenoisingImageFilter< TInputImage, TOutputImage >::InputImageRegionType

Definition at line 66 of file itkTotalVariationDenoisingImageFilter.h.

template<class TInputImage , class TOutputImage >

typedef TInputImage itk::TotalVariationDenoisingImageFilter< TInputImage, TOutputImage >::InputImageType

Convenient typedefs for simplifying declarations.

Definition at line 47 of file itkTotalVariationDenoisingImageFilter.h.

template<class TInputImage , class TOutputImage >

typedef InputImageType::PixelType itk::TotalVariationDenoisingImageFilter< TInputImage, TOutputImage >::InputPixelType

Image typedef support.

Definition at line 60 of file itkTotalVariationDenoisingImageFilter.h.

template<class TInputImage , class TOutputImage >

typedef InputImageType::SizeType itk::TotalVariationDenoisingImageFilter< TInputImage, TOutputImage >::InputSizeType

Definition at line 69 of file itkTotalVariationDenoisingImageFilter.h.

template<class TInputImage , class TOutputImage >

typedef OutputImageType::RegionType itk::TotalVariationDenoisingImageFilter< TInputImage, TOutputImage >::OutputImageRegionType

Definition at line 67 of file itkTotalVariationDenoisingImageFilter.h.

template<class TInputImage , class TOutputImage >

typedef TOutputImage itk::TotalVariationDenoisingImageFilter< TInputImage, TOutputImage >::OutputImageType

Definition at line 48 of file itkTotalVariationDenoisingImageFilter.h.

template<class TInputImage , class TOutputImage >

typedef OutputImageType::PixelType itk::TotalVariationDenoisingImageFilter< TInputImage, TOutputImage >::OutputPixelType

Definition at line 64 of file itkTotalVariationDenoisingImageFilter.h.

template<class TInputImage , class TOutputImage >

typedef SmartPointer<Self> itk::TotalVariationDenoisingImageFilter< TInputImage, TOutputImage >::Pointer

Definition at line 53 of file itkTotalVariationDenoisingImageFilter.h.

template<class TInputImage , class TOutputImage >

typedef TotalVariationDenoisingImageFilter itk::TotalVariationDenoisingImageFilter< TInputImage, TOutputImage >::Self

Standard class typedefs.

Definition at line 51 of file itkTotalVariationDenoisingImageFilter.h.

template<class TInputImage , class TOutputImage >

typedef TotalVariationSingleIterationImageFilter<TOutputImage, TOutputImage> itk::TotalVariationDenoisingImageFilter< TInputImage, TOutputImage >::SingleIterationFilterType

Definition at line 72 of file itkTotalVariationDenoisingImageFilter.h.

template<class TInputImage , class TOutputImage >

typedef ImageToImageFilter< InputImageType, OutputImageType> itk::TotalVariationDenoisingImageFilter< TInputImage, TOutputImage >::Superclass

Definition at line 52 of file itkTotalVariationDenoisingImageFilter.h.

Constructor & Destructor Documentation

template<class TInputImage , class TOutputImage >

itk::TotalVariationDenoisingImageFilter< TInputImage, TOutputImage >::TotalVariationDenoisingImageFilter ( ) [protected]

Definition at line 38 of file itkTotalVariationDenoisingImageFilter.txx.

  {
    m_Lambda = 1.0;
  }

template<class TInputImage , class TOutputImage >

virtual itk::TotalVariationDenoisingImageFilter< TInputImage, TOutputImage >::~TotalVariationDenoisingImageFilter ( ) [inline, protected, virtual]

Definition at line 84 of file itkTotalVariationDenoisingImageFilter.h.

:
  TotalVariationDenoisingImageFilter();

Member Function Documentation

template<class TInputImage , class TOutputImage >

void itk::TotalVariationDenoisingImageFilter< TInputImage, TOutputImage >::GenerateData ( ) [protected]

Definition at line 47 of file itkTotalVariationDenoisingImageFilter.txx.

  {
    // first we cast the input image to match output type
    typename CastType::Pointer infilter = CastType::New();
    infilter->SetInput(this->GetInput());
    infilter->Update();
    typename TOutputImage::Pointer image = infilter->GetOutput();

    // a second copy of the input image is saved as reference
    infilter = CastType::New();
    infilter->SetInput(this->GetInput());
    infilter->Update();
    typename TOutputImage::Pointer origImage = infilter->GetOutput();

    typename SingleIterationFilterType::Pointer filter;
    for(int i=0; i<m_NumberIterations; i++)
    {
      filter = SingleIterationFilterType::New();
      filter->SetInput( image );
      filter->SetOriginalImage( origImage );
      filter->SetLambda(m_Lambda);
      filter->SetNumberOfThreads(this->GetNumberOfThreads());
      filter->UpdateLargestPossibleRegion();
      image = filter->GetOutput();
      std::cout << "Iteration " << i+1 << "/" << 
        m_NumberIterations << std::endl;
    }
    
    typename OutputImageType::Pointer output = this->GetOutput();
    output->SetSpacing(image->GetSpacing());
    typename OutputImageType::RegionType largestPossibleRegion;
    largestPossibleRegion.SetSize( 
      image->GetLargestPossibleRegion().GetSize() );
    largestPossibleRegion.SetIndex( 
      image->GetLargestPossibleRegion().GetIndex() );
    output->SetLargestPossibleRegion( 
      image->GetLargestPossibleRegion() );
    output->SetBufferedRegion( 
      image->GetLargestPossibleRegion() );
    output->Allocate();

    itk::ImageRegionIterator<OutputImageType> oit(
      output, output->GetLargestPossibleRegion());
    oit.GoToBegin();

    itk::ImageRegionConstIterator<OutputImageType> iit(
      image, image->GetLargestPossibleRegion());
    iit.GoToBegin();

    while(!oit.IsAtEnd())
    {
      oit.Set(iit.Get());
      ++iit;
      ++oit;
    }
  }

template<class TInputImage , class TOutputImage >

virtual const char* itk::TotalVariationDenoisingImageFilter< TInputImage, TOutputImage >::GetClassName ( ) const [virtual]

Run-time type information (and related methods).

template<class TInputImage , class TOutputImage >

virtual double itk::TotalVariationDenoisingImageFilter< TInputImage, TOutputImage >::GetLambda ( ) [virtual]

template<class TInputImage , class TOutputImage >

virtual int itk::TotalVariationDenoisingImageFilter< TInputImage, TOutputImage >::GetNumberIterations ( ) [virtual]

template<class TInputImage , class TOutputImage >

itk::TotalVariationDenoisingImageFilter< TInputImage, TOutputImage >::itkStaticConstMacro	(	OutputImageDimension	,
		unsigned	int,
		TOutputImage::ImageDimension
	)

template<class TInputImage , class TOutputImage >

itk::TotalVariationDenoisingImageFilter< TInputImage, TOutputImage >::itkStaticConstMacro	(	InputImageDimension	,
		unsigned	int,
		TInputImage::ImageDimension
	)

Extract dimension from input and output image.

template<class TInputImage , class TOutputImage >

static Pointer itk::TotalVariationDenoisingImageFilter< TInputImage, TOutputImage >::New ( ) [static]

Method for creation through the object factory.

Referenced by QmitkBasicImageProcessing::StartButtonClicked().

template<class TInputImage , class TOutput >

void itk::TotalVariationDenoisingImageFilter< TInputImage, TOutput >::PrintSelf	(	std::ostream &	os,
		Indent	indent
	)		const `[protected]`

Standard "PrintSelf" method

Definition at line 111 of file itkTotalVariationDenoisingImageFilter.txx.

  {
    Superclass::PrintSelf( os, indent );
  }

template<class TInputImage , class TOutputImage >

virtual void itk::TotalVariationDenoisingImageFilter< TInputImage, TOutputImage >::SetLambda ( double _arg ) [virtual]

template<class TInputImage , class TOutputImage >

virtual void itk::TotalVariationDenoisingImageFilter< TInputImage, TOutputImage >::SetNumberIterations ( int _arg ) [virtual]

Member Data Documentation

template<class TInputImage , class TOutputImage >

double itk::TotalVariationDenoisingImageFilter< TInputImage, TOutputImage >::m_Lambda [protected]

Definition at line 89 of file itkTotalVariationDenoisingImageFilter.h.

template<class TInputImage , class TOutputImage >

int itk::TotalVariationDenoisingImageFilter< TInputImage, TOutputImage >::m_NumberIterations [protected]

Definition at line 91 of file itkTotalVariationDenoisingImageFilter.h.

The documentation for this class was generated from the following files:

itk::TotalVariationDenoisingImageFilter< TInputImage, TOutputImage > Class Template Reference

Public Types

Public Member Functions

Static Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

template<class TInputImage, class TOutputImage> class itk::TotalVariationDenoisingImageFilter< TInputImage, TOutputImage >

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation

template<class TInputImage, class TOutputImage>
class itk::TotalVariationDenoisingImageFilter< TInputImage, TOutputImage >