1 #ifndef __clitkVectorBSplineInterpolateImageFunctionWithLUT_h
2 #define __clitkVectorBSplineInterpolateImageFunctionWithLUT_h
4 /* =========================================================================
6 @file clitVectorkBSplineInterpolateImageFunctionWithLUT.h
7 @author jefvdmb@gmail.com
10 * CREATIS (Centre de Recherche et d'Applications en Traitement de l'Image).
11 All rights reserved. See Doc/License.txt or
12 http://www.creatis.insa-lyon.fr/Public/Gdcm/License.html for details.
13 * Léon Bérard cancer center, 28 rue Laënnec, 69373 Lyon cedex 08, France
14 * http://www.creatis.insa-lyon.fr/rio
16 This software is distributed WITHOUT ANY WARRANTY; without even the
17 implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
18 PURPOSE. See the above copyright notices for more information.
20 ========================================================================= */
22 #include "itkBSplineWeightsCalculator.h"
23 //#include "clitkTimer.h"
24 #include "clitkVectorBSplineInterpolateImageFunction.h"
30 class TCoordRep = double,
31 class TCoefficientType = double >
32 class ITK_EXPORT VectorBSplineInterpolateImageFunctionWithLUT :
33 public VectorBSplineInterpolateImageFunction<TImageType,TCoordRep,TCoefficientType> {
37 typedef VectorBSplineInterpolateImageFunctionWithLUT<TImageType,TCoordRep, TCoefficientType> Self;
38 typedef VectorBSplineInterpolateImageFunction<TImageType,TCoordRep, TCoefficientType> Superclass;
39 typedef itk::SmartPointer<Self> Pointer;
40 typedef itk::SmartPointer<const Self> ConstPointer;
41 typedef typename Superclass::OutputType OutputType;
42 typedef typename Superclass::ContinuousIndexType ContinuousIndexType;
43 typedef typename TImageType::IndexType IndexType;
44 typedef typename TImageType::IndexValueType IndexValueType;
45 typedef typename TImageType::SizeType SizeType;
46 typedef typename TImageType::SpacingType SpacingType;
48 typedef TCoefficientType CoefficientDataType;
49 typedef typename Superclass::CoefficientImagePixelType CoefficientImagePixelType;
50 typedef typename Superclass::CoefficientImageType CoefficientImageType;
52 /** New macro for creation of through a Smart Pointer */
55 /** Setting LUT sampling (one parameters by dimension or a single
56 one for all dim); Default is 10 (for each dim) **/
57 void SetLUTSamplingFactor(const int& s);
58 void SetLUTSamplingFactors(const SizeType& s);
60 /** Get/Sets the Spline Order, supports 0th - 5th order
61 * splines. The default is a 3rd order spline. */
62 void SetSplineOrder(const unsigned int & SplineOrder);
64 //JV this is added to support different degrees over each dimension
65 void SetSplineOrders(const SizeType & SplineOrders);
67 /** Set the input image. This must be set by the user. */
68 virtual void SetInputImage(const TImageType * inputData);
69 //void SetOutputSpacing(const SpacingType & s);
70 //void SetInputImageIsCoefficient(bool inputIsCoef) { mInputIsCoef = inputIsCoef; }
72 /** Evaluate the function at a ContinuousIndex position.
73 Overwritten for taking LUT into account */
74 virtual OutputType EvaluateAtContinuousIndex(const ContinuousIndexType & index ) const;
75 void EvaluateWeightsAtContinuousIndex(const ContinuousIndexType & x, const TCoefficientType ** pweights, IndexType & evaluateIndex) const;
77 /** Static convenient functions to compute BSpline weights for
78 various order, dimension, sampling ... **/
79 static void ComputeBlendingWeights(int dim, int order, int sampling, TCoefficientType * weights);
81 /** Timer giving computation time for coefficients computation **/
82 // const clitk::Timer & GetCoefTimer() const { return mCoefficientTimer; }
84 /** Get estimated error **/
86 double GetIntrinsicError() const { return *mIntrinsecError; }
87 long GetNumberOfError() const { return *mNumberOfError; }
88 double GetIntrinsicErrorMax() const { return *mIntrinsecErrorMax; }
91 VectorBSplineInterpolateImageFunctionWithLUT();
92 ~VectorBSplineInterpolateImageFunctionWithLUT(){;}
94 SizeType mSupport; // nb of coef values used for interpolation (order+1) in 1 dimension
95 SizeType mHalfSupport; // half size of the previous
96 unsigned int mSupportSize; // Total support size for all dimension
97 std::vector<int> mSupportOffset; // Memory pointer offset for going from one coef position to the other (inside the whole support)
98 std::vector<IndexType> mSupportIndex; // nD Index of all support values
99 IndexType mInputMemoryOffset; // Memory dimension offsets for input image
101 /** Sampling factors for LUT weights **/
102 SizeType mSamplingFactors;
103 bool mWeightsAreUpToDate;
104 //SpacingType mOutputSpacing;
106 double * mIntrinsecError;
107 double * mIntrinsecErrorMax;
108 long * mNumberOfError;
110 //JV add iscoeff, and splineorders
111 // bool mInputIsCoef;
112 SizeType mSplineOrders;
114 // Filter to compute weights
115 itk::BSplineWeightsCalculator<TCoefficientType,TImageType::ImageDimension> mWeightsCalculator;
117 // Convenient functions
118 void UpdatePrecomputedWeights();
119 void UpdateWeightsProperties();
120 IndexType GetSampleIndexOfPixelPosition(const ContinuousIndexType & x, IndexType & EvaluateIndex) const;
123 // clitk::Timer mCoefficientTimer;
124 // clitk::Timer mLUTTimer;
127 //JV threadsafety: everything on the stack
128 //std::vector<int> mCorrectedSupportOffset;
129 //std::vector<IndexType> mCorrectedSupportIndex;
130 TCoefficientType * coef;
132 }; // end class clitkVectorBSplineInterpolateImageFunctionWithLUT
135 #ifndef ITK_MANUAL_INSTANTIATION
136 #include "clitkVectorBSplineInterpolateImageFunctionWithLUT.txx"
139 #endif /* end #define CLITKBSPLINEINTERPOLATEIMAGEFUNCTIONWITHLUT_H */