/usr/include/ITK-4.5/itkSpatialNeighborSubsampler.h is in libinsighttoolkit4-dev 4.5.0-3.
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*
* Copyright Insight Software Consortium
*
* 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 __itkSpatialNeighborSubsampler_h
#define __itkSpatialNeighborSubsampler_h
#include "itkRegionConstrainedSubsampler.h"
#include "itkImageHelper.h"
namespace itk {
namespace Statistics {
/** \class SpatialNeighborSubsampler
* \brief A subsampler that selects all points
* within the specified radius of the query point.
*
* This class derives from RegionConstrainedSubsampler and
* returns all points within the Radius given by
* SetRadius(radius) as long as that point is also within
* the RegionConstraint. In order for this to work, a region
* corresponding to the Sample must be provided using
* SetSampleRegion(region)
*
* This class assumes that the instance identifiers in the input
* sample correspond to the result of ComputeOffset() of the index
* of the corresponding point in the image region.
*
* \sa SubsamplerBase, RegionConstrainedSubsampler
* \sa GaussianRandomSpatialNeighborSubsampler
* \sa UniformRandomSpatialNeighborSubsampler
* \ingroup ITKStatistics
*/
template < typename TSample, typename TRegion >
class SpatialNeighborSubsampler : public RegionConstrainedSubsampler<TSample, TRegion>
{
public:
/** Standard class typedefs */
typedef SpatialNeighborSubsampler<TSample, TRegion> Self;
typedef RegionConstrainedSubsampler<TSample, TRegion> Superclass;
typedef typename Superclass::Baseclass Baseclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Run-time type information (and related methods) */
itkTypeMacro(SpatialNeighborSubsampler, RegionConstrainedSubsampler);
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** typedef alias for the source data container */
typedef typename Superclass::SampleType SampleType;
typedef typename Superclass::SampleConstPointer SampleConstPointer;
typedef typename Superclass::MeasurementVectorType MeasurementVectorType;
typedef typename Superclass::InstanceIdentifier InstanceIdentifier;
typedef typename Superclass::SubsampleType SubsampleType;
typedef typename Superclass::SubsamplePointer SubsamplePointer;
typedef typename Superclass::SubsampleConstIterator SubsampleConstIterator;
typedef typename Superclass::InstanceIdentifierHolder InstanceIdentifierHolder;
/** typedefs related to region */
typedef typename Superclass::RegionType RegionType;
typedef typename Superclass::IndexType IndexType;
typedef typename Superclass::IndexValueType IndexValueType;
typedef typename Superclass::SizeType SizeType;
typedef typename RegionType::SizeType RadiusType;
itkStaticConstMacro(ImageDimension, unsigned int, RegionType::ImageDimension);
/** other helpful typedefs */
typedef ImageHelper<itkGetStaticConstMacro(ImageDimension),
itkGetStaticConstMacro(ImageDimension)> ImageHelperType;
/** Method to set the radius */
void SetRadius(const RadiusType& radius);
void SetRadius(unsigned int radius);
/** Method to get the radius */
itkGetConstReferenceMacro(Radius, RadiusType);
/** Method to get the flag indicating that radius has been initialized */
itkGetConstReferenceMacro(RadiusInitialized, bool);
/** Main Search method that MUST be implemented by each subclass
* The Search method will find all points similar to query and return
* them as a Subsample. The definition of similar will be subclass-
* specific. And could mean spatial similarity or feature similarity
* etc. */
virtual void Search(const InstanceIdentifier& query,
SubsamplePointer& results);
protected:
/**
* Clone the current subsampler.
* This does a complete copy of the subsampler state
* to the new subsampler
*/
virtual typename LightObject::Pointer InternalClone() const;
SpatialNeighborSubsampler();
virtual ~SpatialNeighborSubsampler() {};
virtual void PrintSelf(std::ostream& os, Indent indent) const;
RadiusType m_Radius;
bool m_RadiusInitialized;
private:
SpatialNeighborSubsampler(const Self&); // purposely not implemented
void operator=(const Self&); // purposely not implemented
}; // end of class SpatialNeighborSubsampler
} // end of namespace Statistics
} // end of namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkSpatialNeighborSubsampler.hxx"
#endif
#endif
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