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itkBSplineInterpolationWeightFunction2.h
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1 /*=========================================================================
2  *
3  * Copyright UMC Utrecht and contributors
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0.txt
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  *
17  *=========================================================================*/
18 #ifndef __itkBSplineInterpolationWeightFunction2_h
19 #define __itkBSplineInterpolationWeightFunction2_h
20 
22 
23 namespace itk
24 {
25 
42 template< class TCoordRep = float,
43 unsigned int VSpaceDimension = 2,
44 unsigned int VSplineOrder = 3 >
47  TCoordRep, VSpaceDimension, VSplineOrder >
48 {
49 public:
50 
54  TCoordRep, VSpaceDimension, VSplineOrder > Superclass;
56  typedef SmartPointer< const Self > ConstPointer;
57 
59  itkNewMacro( Self );
60 
64 
66  itkStaticConstMacro( SpaceDimension, unsigned int, VSpaceDimension );
67 
69  itkStaticConstMacro( SplineOrder, unsigned int, VSplineOrder );
70 
73  typedef typename Superclass::IndexType IndexType;
74  typedef typename Superclass::SizeType SizeType;
76 
77 protected:
78 
81 
85  typedef typename Superclass
87  typedef typename Superclass::TableType TableType;
90 
91  /* Compute the 1D weights, which are:
92  * [ \beta^3( x[i] - startIndex[i] ), \beta^3( x[i] - startIndex[i] - 1 ),
93  * \beta^3( x[i] - startIndex[i] - 2 ), \beta^3( x[i] - startIndex[i] - 3 ) ]
94  */
95  virtual void Compute1DWeights(
96  const ContinuousIndexType & index,
97  const IndexType & startIndex,
98  OneDWeightsType & weights1D ) const;
99 
100 private:
101 
102  BSplineInterpolationWeightFunction2( const Self & ); // purposely not implemented
103  void operator=( const Self & ); // purposely not implemented
104 
105 };
106 
107 } // end namespace itk
108 
109 #ifndef ITK_MANUAL_INSTANTIATION
110 #include "itkBSplineInterpolationWeightFunction2.hxx"
111 #endif
112 
113 #endif
Matrix< double, itkGetStaticConstMacro(SpaceDimension), itkGetStaticConstMacro(SplineOrder)+1 > OneDWeightsType
ContinuousIndex< TCoordRep, VSpaceDimension > ContinuousIndexType
BSplineInterpolationWeightFunctionBase< TCoordRep, VSpaceDimension, VSplineOrder > Superclass
Superclass::SecondOrderDerivativeKernelType SecondOrderDerivativeKernelType
Returns the weights over the support region used for B-spline interpolation/reconstruction.
BSplineDerivativeKernelFunction< Self::SplineOrder > DerivativeKernelType
virtual void Compute1DWeights(const ContinuousIndexType &index, const IndexType &startIndex, OneDWeightsType &weights1D) const
itkStaticConstMacro(SpaceDimension, unsigned int, VSpaceDimension)
B-spline kernel used for density estimation and nonparameteric regression.
Returns the weights over the support region used for B-spline interpolation/reconstruction.
Derivative of a B-spline kernel used for density estimation and nonparametric regression.


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