otbWaveletTransform.h

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/*
 * Copyright (C) 2005-2022 Centre National d'Etudes Spatiales (CNES)
 * Copyright (C) 2007-2012 Institut Mines Telecom / Telecom Bretagne
 *
 * This file is part of Orfeo Toolbox
 *
 *     https://www.orfeo-toolbox.org/
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
 
#ifndef otbWaveletTransform_h
#define otbWaveletTransform_h
 
#include "otbImageToImageListFilter.h"
#include "otbImageListToImageFilter.h"
#include "otbObjectList.h"
#include "otbWaveletGenerator.h"
#include "otbWaveletOperatorBase.h"
 
namespace otb
{
 
template <class TInputImage, class TOutputImage, class TFilter, Wavelet::WaveletDirection TDirectionOfTransformation>
class ITK_EXPORT WaveletTransform : public itk::ImageSource<TOutputImage>
{
public:
  typedef WaveletTransform               Self;
  typedef itk::ImageSource<TOutputImage> Superclass;
  typedef itk::SmartPointer<Self>        Pointer;
  typedef itk::SmartPointer<const Self>  ConstPointer;
 
  itkNewMacro(Self);
 
  itkTypeMacro(WaveletTransform, ImageSource);
 
protected:
  WaveletTransform();
  virtual ~WaveletTransform();
 
private:
  WaveletTransform(const Self&);
  void operator=(const Self&);
};
 
template <class TInputImage, class TOutputImage, class TFilter>
class ITK_EXPORT WaveletTransform<TInputImage, TOutputImage, TFilter, Wavelet::FORWARD> : public ImageToImageListFilter<TInputImage, TOutputImage>
{
public:
  typedef WaveletTransform Self;
  typedef ImageToImageListFilter<TInputImage, TOutputImage> Superclass;
  typedef itk::SmartPointer<Self>       Pointer;
  typedef itk::SmartPointer<const Self> ConstPointer;
 
  itkNewMacro(Self);
 
  itkTypeMacro(WaveletTransform, ImageToImageListFilter);
 
  typedef TInputImage                           InputImageType;
  typedef typename InputImageType::Pointer      InputImagePointerType;
  typedef typename InputImageType::ConstPointer InputImageConstPointerType;
  typedef typename InputImageType::RegionType   InputImageRegionType;
  typedef typename InputImageType::PixelType    InputImagePixelType;
  typedef typename InputImageType::SizeType     SizeType;
  typedef typename InputImageType::ValueType    ValueType;
 
  typedef typename Superclass::OutputImageType        OutputImageType;
  typedef typename Superclass::OutputImagePointerType OutputImagePointerType;
  typedef typename Superclass::OutputImageListType    OutputImageListType;
  typedef typename OutputImageListType::Pointer       OutputImageListPointerType;
  typedef typename OutputImageListType::Iterator      OutputImageIterator;
 
  typedef TFilter                           FilterType;
  typedef typename FilterType::Pointer      FilterPointerType;
  typedef ObjectList<FilterType>            FilterListType;
  typedef typename FilterListType::Pointer  FilterListPointerType;
  typedef typename FilterListType::Iterator FilterListIterator;
 
  itkGetObjectMacro(FilterList, FilterListType);
  FilterType* GetNthFilter(unsigned int idx) const
  {
    if (idx >= m_NumberOfDecompositions)
    {
      itkExceptionMacro(<< "Impossible to GetNthFilter with the index element " << idx << "; this element don't exist, the size of the filter list is "
                        << m_FilterList->Size() << ".");
    }
    return static_cast<FilterType*>(m_FilterList->GetNthElement(idx));
  }
 
  typedef Wavelet::WaveletDirection DirectionOfTransformationEnumType;
  itkStaticConstMacro(DirectionOfTransformation, DirectionOfTransformationEnumType, Wavelet::FORWARD);
 
  itkGetMacro(NumberOfDecompositions, unsigned int);
  itkSetMacro(NumberOfDecompositions, unsigned int);
 
  itkStaticConstMacro(InputImageDimension, unsigned int, TInputImage::ImageDimension);
 
  itkGetMacro(SubsampleImageFactor, unsigned int);
  itkSetMacro(SubsampleImageFactor, unsigned int);
 
protected:
  WaveletTransform();
  ~WaveletTransform() override
  {
  }
 
  void GenerateData() override;
 
private:
  WaveletTransform(const Self&);
  void operator=(const Self&);
 
  unsigned int m_NumberOfDecompositions;
 
  unsigned int m_SubsampleImageFactor;
 
  FilterListPointerType m_FilterList;
}; // end of Forward class
 
template <class TInputImage, class TOutputImage, class TFilter>
class ITK_EXPORT WaveletTransform<TInputImage, TOutputImage, TFilter, Wavelet::INVERSE> : public ImageListToImageFilter<TInputImage, TOutputImage>
{
public:
  typedef WaveletTransform Self;
  typedef ImageListToImageFilter<TInputImage, TOutputImage> Superclass;
  typedef itk::SmartPointer<Self>       Pointer;
  typedef itk::SmartPointer<const Self> ConstPointer;
 
  itkNewMacro(Self);
 
  itkTypeMacro(WaveletTransform, ImageListToImageFilter);
 
  typedef TInputImage                           InputImageType;
  typedef typename InputImageType::Pointer      InputImagePointerType;
  typedef typename InputImageType::ConstPointer InputImageConstPointerType;
  typedef typename InputImageType::RegionType   InputImageRegionType;
  typedef typename InputImageType::PixelType    InputImagePixelType;
  typedef typename InputImageType::SizeType     SizeType;
  typedef typename InputImageType::IndexType    IndexType;
  typedef typename InputImageType::ValueType    ValueType;
 
  typedef typename Superclass::InputImageListType InputImageListType;
  typedef typename InputImageListType::Pointer    InputImageListPointerType;
  typedef typename InputImageListType::Iterator   InputImageIterator;
 
  typedef typename Superclass::OutputImageType OutputImageType;
  typedef typename OutputImageType::Pointer    OutputImagePointerType;
  typedef typename OutputImageType::RegionType OutputImageRegionType;
  typedef typename OutputImageType::SizeType   OutputImageSizeType;
  typedef typename OutputImageType::IndexType  OutputImageIndexType;
  typedef typename OutputImageType::ValueType  OutputValueType;
 
  typedef TFilter                           FilterType;
  typedef typename FilterType::Pointer      FilterPointerType;
  typedef ObjectList<FilterType>            FilterListType;
  typedef typename FilterListType::Pointer  FilterListPointerType;
  typedef typename FilterListType::Iterator FilterListIterator;
 
  itkGetObjectMacro(FilterList, FilterListType);
  FilterType* GetNthFilter(unsigned int idx) const
  {
    if (idx >= m_NumberOfDecompositions)
    {
      itkExceptionMacro(<< "Impossible to GetNthFilter with the index element " << idx << "; this element don't exist, the size of the filter list is "
                        << m_FilterList->Size() << ".");
    }
    return static_cast<FilterType*>(m_FilterList->GetNthElement(idx));
  }
 
  typedef Wavelet::WaveletDirection DirectionOfTransformationEnumType;
  itkStaticConstMacro(DirectionOfTransformation, DirectionOfTransformationEnumType, Wavelet::INVERSE);
 
  itkGetMacro(NumberOfDecompositions, unsigned int);
 
  itkStaticConstMacro(InputImageDimension, unsigned int, TInputImage::ImageDimension);
 
  itkGetMacro(SubsampleImageFactor, unsigned int);
  itkSetMacro(SubsampleImageFactor, unsigned int);
 
protected:
  WaveletTransform();
  ~WaveletTransform() override
  {
  }
 
  void GenerateOutputInformation() override;
 
  void GenerateData() override;
 
private:
  WaveletTransform(const Self&);
  void operator=(const Self&);
 
  unsigned int m_NumberOfDecompositions;
 
  unsigned int m_SubsampleImageFactor;
 
  FilterListPointerType m_FilterList;
}; // end of inverse class
 
} // end of namespace
 
#ifndef OTB_MANUAL_INSTANTIATION
#include "otbWaveletTransform.hxx"
#endif
 
#endif