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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 elxFixedImagePyramidBase_h
#define elxFixedImagePyramidBase_h
/** Needed for the macros */
#include "elxMacro.h"
#include "elxBaseComponentSE.h"
#include "itkObject.h"
#include "itkMultiResolutionPyramidImageFilter.h"
namespace elastix
{
/**
* \class FixedImagePyramidBase
* \brief This class is the elastix base class for all FixedImagePyramids.
*
* This class contains all the common functionality for FixedImagePyramids.
*
* \parameter FixedImagePyramidSchedule: downsampling factors for the fixed image pyramid.\n
* For each dimension, for each resolution level, the downsampling factor of the
* fixed image can be specified.\n
* Syntax for 2D images:\n
* <tt>(FixedImagePyramidSchedule <reslevel0,dim0> <reslevel0,dim1> <reslevel1,dim0> <reslevel1,dim1> ...)</tt>\n
* example: <tt>(FixedImagePyramidSchedule 4 4 2 2 1 1)</tt>\n
* Default: isotropic, halved in each resolution, so, like in the example. If
* ImagePyramidSchedule is specified, that schedule is used for both fixed and moving image pyramid.
* \parameter ImagePyramidSchedule: downsampling factors for fixed and moving image pyramids.\n
* example: <tt>(ImagePyramidSchedule 4 4 2 2 1 1)</tt> \n
* Used as a default when FixedImagePyramidSchedule is not specified. If both are omitted,
* a default schedule is assumed: isotropic, halved in each resolution, so, like in the example.
* \parameter WritePyramidImagesAfterEachResolution: ...\n
* example: <tt>(WritePyramidImagesAfterEachResolution "true")</tt>\n
* default "false".
*
* \ingroup ImagePyramids
* \ingroup ComponentBaseClasses
*/
template <class TElastix>
class ITK_TEMPLATE_EXPORT FixedImagePyramidBase : public BaseComponentSE<TElastix>
{
public:
ITK_DISALLOW_COPY_AND_MOVE(FixedImagePyramidBase);
/** Standard ITK-stuff. */
using Self = FixedImagePyramidBase;
using Superclass = BaseComponentSE<TElastix>;
/** Run-time type information (and related methods). */
itkTypeMacro(FixedImagePyramidBase, BaseComponentSE);
/** Typedefs inherited from the superclass. */
using typename Superclass::ElastixType;
using typename Superclass::RegistrationType;
/** Typedefs inherited from Elastix. */
using InputImageType = typename ElastixType::FixedImageType;
using OutputImageType = typename ElastixType::FixedImageType;
/** Other typedef's. */
using ITKBaseType = itk::MultiResolutionPyramidImageFilter<InputImageType, OutputImageType>;
/** Typedef's from ITKBaseType. */
using ScheduleType = typename ITKBaseType::ScheduleType;
/** Retrieves this object as ITKBaseType. */
ITKBaseType *
GetAsITKBaseType()
{
return &(this->GetSelf());
}
/** Retrieves this object as ITKBaseType, to use in const functions. */
const ITKBaseType *
GetAsITKBaseType() const
{
return &(this->GetSelf());
}
/** Execute stuff before the actual registration:
* \li Set the schedule of the fixed image pyramid.
*/
void
BeforeRegistrationBase() override;
/** Execute stuff before each resolution:
* \li Write the pyramid image to file.
*/
void
BeforeEachResolutionBase() override;
/** Method for setting the schedule. */
virtual void
SetFixedSchedule();
/** Method to write the pyramid image. */
void
WritePyramidImage(const std::string & filename,
const unsigned int level); // const;
protected:
/** The constructor. */
FixedImagePyramidBase() = default;
/** The destructor. */
~FixedImagePyramidBase() override = default;
private:
elxDeclarePureVirtualGetSelfMacro(ITKBaseType);
};
} // end namespace elastix
#ifndef ITK_MANUAL_INSTANTIATION
# include "elxFixedImagePyramidBase.hxx"
#endif
#endif // end #ifndef elxFixedImagePyramidBase_h
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