ITK  4.3.0
Insight Segmentation and Registration Toolkit
itkOtsuMultipleThresholdsCalculator.h
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1 /*=========================================================================
2  *
3  * Copyright Insight Software Consortium
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 __itkOtsuMultipleThresholdsCalculator_h
19 #define __itkOtsuMultipleThresholdsCalculator_h
20 
22 #include "itkHistogram.h"
23 
24 namespace itk
25 {
40 template< class TInputHistogram >
42  public HistogramAlgorithmBase< TInputHistogram >
43 {
44 public:
50 
51  typedef typename TInputHistogram::MeasurementType MeasurementType;
52  typedef typename TInputHistogram::AbsoluteFrequencyType FrequencyType;
53 
56 
57  typedef std::vector< MeanType > MeanVectorType;
58  typedef std::vector< FrequencyType > FrequencyVectorType;
59 
60  typedef typename TInputHistogram::InstanceIdentifier InstanceIdentifierType;
61  typedef std::vector< InstanceIdentifierType > InstanceIdentifierVectorType;
62 
64  itkTypeMacro(OtsuMultipleThresholdsCalculator, HistogramAlgorithmsBase);
65  itkNewMacro(Self);
67 
69  typedef std::vector< MeasurementType > OutputType;
70 
72  const OutputType & GetOutput();
73 
75  itkSetClampMacro( NumberOfThresholds, SizeValueType, 1, NumericTraits< SizeValueType >::max() );
76  itkGetConstMacro(NumberOfThresholds, SizeValueType);
78 
79 protected:
82  void PrintSelf(std::ostream & os, Indent indent) const;
83 
85  void GenerateData();
86 
88  bool IncrementThresholds(InstanceIdentifierVectorType & thresholdIds,
89  MeanType totalMean,
90  MeanVectorType & classMean,
91  FrequencyVectorType & classFrequency);
92 
93 private:
97 }; // end of class
98 } // end of namespace itk
99 
100 #ifndef ITK_MANUAL_INSTANTIATION
101 #include "itkOtsuMultipleThresholdsCalculator.hxx"
102 #endif
103 
104 #endif
105