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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 elxBSplineResampleInterpolator_h
#define elxBSplineResampleInterpolator_h
#include "elxIncludes.h" // include first to avoid MSVS warning
#include "itkBSplineInterpolateImageFunction.h"
namespace elastix
{
/**
* \class BSplineResampleInterpolator
* \brief A resample-interpolator based on B-splines.
*
* The parameters used in this class are:
* \parameter ResampleInterpolator: Select this resample interpolator as follows:\n
* <tt>(ResampleInterpolator "FinalBSplineInterpolator")</tt>
* \parameter FinalBSplineInterpolationOrder: the order of the B-spline used to resample
* the deformed moving image; possible values: (0-5) \n
* example: <tt>(FinalBSplineInterpolationOrder 3) </tt> \n
* Default: 3.
*
* The transform parameters necessary for transformix, additionally defined by this class, are:
* \transformparameter FinalBSplineInterpolationOrder: the order of the B-spline used to resample
* the deformed moving image; possible values: (0-5) \n
* example: <tt>(FinalBSplineInterpolationOrder 3) </tt> \n
* Default: 3.
*
* With very large images, memory problems may be avoided by using the BSplineResampleInterpolatorFloat.
* The differences of the result are generally negligible.
* If you are really in memory problems, you may use the LinearResampleInterpolator,
* or the NearestNeighborResampleInterpolator.
*
* \ingroup ResampleInterpolators
* \sa BSplineResampleInterpolatorFloat
*/
template <class TElastix>
class ITK_TEMPLATE_EXPORT BSplineResampleInterpolator
: public itk::BSplineInterpolateImageFunction<typename ResampleInterpolatorBase<TElastix>::InputImageType,
typename ResampleInterpolatorBase<TElastix>::CoordRepType,
double>
, // CoefficientType
public ResampleInterpolatorBase<TElastix>
{
public:
ITK_DISALLOW_COPY_AND_MOVE(BSplineResampleInterpolator);
/** Standard ITK-stuff. */
using Self = BSplineResampleInterpolator;
using Superclass1 = itk::BSplineInterpolateImageFunction<typename ResampleInterpolatorBase<TElastix>::InputImageType,
typename ResampleInterpolatorBase<TElastix>::CoordRepType,
double>;
using Superclass2 = ResampleInterpolatorBase<TElastix>;
using Pointer = itk::SmartPointer<Self>;
using ConstPointer = itk::SmartPointer<const Self>;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(BSplineResampleInterpolator, itk::BSplineInterpolateImageFunction);
/** Name of this class.
* Use this name in the parameter file to select this specific resample interpolator. \n
* example: <tt>(ResampleInterpolator "FinalBSplineInterpolator")</tt>\n
*/
elxClassNameMacro("FinalBSplineInterpolator");
/** Dimension of the image. */
itkStaticConstMacro(ImageDimension, unsigned int, Superclass1::ImageDimension);
/** Typedef's inherited from the superclass. */
using typename Superclass1::OutputType;
using typename Superclass1::InputImageType;
using typename Superclass1::IndexType;
using typename Superclass1::ContinuousIndexType;
using typename Superclass1::PointType;
using typename Superclass1::Iterator;
using typename Superclass1::CoefficientDataType;
using typename Superclass1::CoefficientImageType;
using typename Superclass1::CoefficientFilter;
using typename Superclass1::CoefficientFilterPointer;
using typename Superclass1::CovariantVectorType;
/** Typedef's from ResampleInterpolatorBase. */
using typename Superclass2::ElastixType;
using typename Superclass2::RegistrationType;
using ITKBaseType = typename Superclass2::ITKBaseType;
/** Typedef that is used in the elastix dll version. */
using typename Superclass2::ParameterMapType;
/** Execute stuff before the actual registration:
* \li Set the spline order.
*/
void
BeforeRegistration() override;
/** Function to read transform-parameters from a file. */
void
ReadFromFile() override;
protected:
/** The constructor. */
BSplineResampleInterpolator() = default;
/** The destructor. */
~BSplineResampleInterpolator() override = default;
private:
elxOverrideGetSelfMacro;
/** Creates a map of the parameters specific for this (derived) interpolator type. */
ParameterMapType
CreateDerivedTransformParameterMap() const override;
};
} // end namespace elastix
#ifndef ITK_MANUAL_INSTANTIATION
# include "elxBSplineResampleInterpolator.hxx"
#endif
#endif // end elxBSplineResampleInterpolator_h
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