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/*=========================================================================
*
* Copyright UMC Utrecht and contributors
*
* 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.txt
*
* 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 itkGPUShrinkImageFilter_h
#define itkGPUShrinkImageFilter_h
#include "itkShrinkImageFilter.h"
#include "itkGPUImageToImageFilter.h"
#include "itkGPUImage.h"
#include "itkVersion.h"
namespace itk
{
/** Create a helper GPU Kernel class for GPUShrinkImageFilter */
itkGPUKernelClassMacro(GPUShrinkImageFilterKernel);
/** \class GPUShrinkImageFilter
* \brief GPU version of ShrinkImageFilter.
*
* \author Denis P. Shamonin and Marius Staring. Division of Image Processing,
* Department of Radiology, Leiden, The Netherlands
*
* \note This work was funded by the Netherlands Organisation for
* Scientific Research (NWO NRG-2010.02 and NWO 639.021.124).
*
* \ingroup GPUCommon
*/
template <typename TInputImage, typename TOutputImage>
class ITK_EXPORT GPUShrinkImageFilter
: public GPUImageToImageFilter<TInputImage, TOutputImage, ShrinkImageFilter<TInputImage, TOutputImage>>
{
public:
ITK_DISALLOW_COPY_AND_MOVE(GPUShrinkImageFilter);
/** Standard class typedefs. */
using Self = GPUShrinkImageFilter;
using CPUSuperclass = ShrinkImageFilter<TInputImage, TOutputImage>;
using GPUSuperclass = GPUImageToImageFilter<TInputImage, TOutputImage, CPUSuperclass>;
using Pointer = SmartPointer<Self>;
using ConstPointer = SmartPointer<const Self>;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(GPUShrinkImageFilter, GPUSuperclass);
/** Superclass typedefs. */
using OutputImageRegionType = typename GPUSuperclass::OutputImageRegionType;
using OutputImagePixelType = typename GPUSuperclass::OutputImagePixelType;
/** Some convenient typedefs. */
using InputImageType = TInputImage;
using InputImagePointer = typename InputImageType::Pointer;
using InputImageConstPointer = typename InputImageType::ConstPointer;
using InputImageRegionType = typename InputImageType::RegionType;
using InputImagePixelType = typename InputImageType::PixelType;
using ShrinkFactorsType = typename CPUSuperclass::ShrinkFactorsType;
using OutputIndexType = typename CPUSuperclass::OutputIndexType;
using InputIndexType = typename CPUSuperclass::InputIndexType;
using OutputOffsetType = typename CPUSuperclass::OutputOffsetType;
/** ImageDimension constants */
itkStaticConstMacro(InputImageDimension, unsigned int, TInputImage::ImageDimension);
itkStaticConstMacro(OutputImageDimension, unsigned int, TOutputImage::ImageDimension);
protected:
GPUShrinkImageFilter();
~GPUShrinkImageFilter() override = default;
void
PrintSelf(std::ostream & os, Indent indent) const override;
void
GPUGenerateData() override;
private:
std::size_t m_FilterGPUKernelHandle{};
std::size_t m_DeviceLocalMemorySize{};
};
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
# include "itkGPUShrinkImageFilter.hxx"
#endif
#endif /* itkGPUShrinkImageFilter_h */
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