itkStatisticsAlgorithm.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkStatisticsAlgorithm.h,v $
00005   Language:  C++
00006   Date:      $Date: 2008-04-29 18:33:57 $
00007   Version:   $Revision: 1.11 $
00008 
00009   Copyright (c) Insight Software Consortium. All rights reserved.
00010   See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
00011 
00012      This software is distributed WITHOUT ANY WARRANTY; without even 
00013      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
00014      PURPOSE.  See the above copyright notices for more information.
00015 
00016 =========================================================================*/
00017 #ifndef __itkStatisticsAlgorithm_h
00018 #define __itkStatisticsAlgorithm_h
00019 
00020 #include "itkSample.h"
00021 #include "itkSubsample.h"
00022 
00023 namespace itk{
00024 namespace Statistics{
00025 
00026 #if !defined(_MSC_VER)
00027 
00028 template< class TSize >
00029 TSize FloorLog(TSize size) ;
00030 
00031 template< class TValue >
00032 TValue MedianOfThree(const TValue a, const TValue b, const TValue c) ;
00033 
00034 template< class TSample >
00035 void FindSampleBound(const TSample* sample,
00036                      typename TSample::ConstIterator begin,
00037                      typename TSample::ConstIterator end,
00038                      typename TSample::MeasurementVectorType &min,
00039                      typename TSample::MeasurementVectorType &max) ;
00040   
00041 template< class TSubsample >
00042 void FindSampleBoundAndMean(const TSubsample* sample,
00043                             int beginIndex,
00044                             int endIndex,
00045                             typename TSubsample::MeasurementVectorType &min,
00046                             typename TSubsample::MeasurementVectorType &max,
00047                             typename TSubsample::MeasurementVectorType &mean) ;
00048 
00061 template< class TSubsample >
00062 int Partition(TSubsample* sample,
00063               unsigned int activeDimension,
00064               int beginIndex, int endIndex,
00065               const typename TSubsample::MeasurementType partitionValue) ;
00066 
00075 template< class TSubsample >
00076 typename TSubsample::MeasurementType 
00077 QuickSelect(TSubsample* sample,
00078             unsigned int activeDimension,
00079             int beginIndex, int endIndex,
00080             int kth,
00081             typename TSubsample::MeasurementType medianGuess) ;
00082 
00089 template< class TSubsample >
00090 typename TSubsample::MeasurementType 
00091 QuickSelect(TSubsample* sample,
00092             unsigned int activeDimension,
00093             int beginIndex, int endIndex,
00094             int kth) ;
00095 
00102 template< class TSubsample >
00103 typename TSubsample::MeasurementType 
00104 NthElement(TSubsample* sample,
00105             unsigned int activeDimension,
00106             int beginIndex, int endIndex,
00107             int nth);
00108 
00109 template< class TSubsample >
00110 void InsertSort(TSubsample* sample, 
00111                 unsigned int activeDimension,
00112                 int beginIndex, int endIndex) ;
00113 
00114 template< class TSubsample >
00115 void DownHeap(TSubsample* sample,
00116               unsigned int activeDimension,
00117               int beginIndex, int endIndex, int node) ;
00118 
00119 template< class TSubsample >
00120 void HeapSort(TSubsample* sample, 
00121                 unsigned int activeDimension,
00122                 int beginIndex, int endIndex) ;
00123 
00124 
00125 template< class TSubsample >
00126 void IntrospectiveSortLoop(TSubsample* sample, 
00127                                   unsigned int activeDimension,
00128                                   int beginIndex,
00129                                   int endIndex,
00130                                   int depthLimit, 
00131                                   int sizeThreshold) ;
00132 
00133 template< class TSubsample >
00134 void IntrospectiveSort(TSubsample* sample,
00135                        unsigned int activeDimension,
00136                        int beginIndex, int endIndex,
00137                        int sizeThreshold) ;
00138 
00139 #endif // #if defined(_MSC_VER)
00140 
00141 } // end of namespace Statistics 
00142 } // end of namespace itk 
00143 
00144 #ifndef ITK_MANUAL_INSTANTIATION
00145 #include "itkStatisticsAlgorithm.txx"
00146 #endif
00147 
00148 #endif // #ifndef __itkStatisticsAlgorithm_h
00149 
00150 
00151 
00152