1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
|
/*
* Copyright (C) 2005-2017 Centre National d'Etudes Spatiales (CNES)
*
* This file is part of Orfeo Toolbox
*
* https://www.orfeo-toolbox.org/
*
* 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
*
* 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 otbComputeHistoFilter_h
#define otbComputeHistoFilter_h
#include "itkImageToImageFilter.h"
#include "otbImage.h"
#include "itkImageRegionIterator.h"
namespace otb
{
/** \class ComputeHistoFilter
* \brief Compute local histogram with several parameters
*
* This class implements the first part of the CLAHE algorithm. It aims
* to compute local histogram with several input parameters such as
* nodata value, threshold, thumbnail size and number of bin. Mandatory parameters are min
* and max value as it will be used in the histogram computation.
*
* \ingroup OTBContrast
*/
template < class TInputImage , class TOutputImage >
class ITK_EXPORT ComputeHistoFilter :
public itk::ImageToImageFilter< TInputImage , TOutputImage >
{
public:
/** typedef for standard classes. */
typedef TInputImage InputImageType;
typedef TOutputImage OutputImageType;
typedef ComputeHistoFilter Self;
typedef itk::ImageToImageFilter< InputImageType, OutputImageType > Superclass;
typedef itk::SmartPointer< Self > Pointer;
typedef itk::SmartPointer< const Self > ConstPointer;
typedef typename InputImageType::InternalPixelType InputPixelType;
typedef typename InputImageType::IndexType IndexType;
typedef typename InputImageType::SizeType SizeType;
typedef typename OutputImageType::RegionType OutputImageRegionType;
/** Method for creation through the object factory. */
itkNewMacro(Self)
/** Run-time type information (and related methods). */
itkTypeMacro(ComputeHistoFilter, ImageToImageFilter)
/** Get/Set macro to get/set the number of bin. Default value is 256 */
itkSetMacro(NbBin, unsigned int)
itkGetMacro(NbBin, unsigned int)
/** Get/Set macro to get/set the minimum value */
itkSetMacro(Min, InputPixelType)
itkGetMacro(Min, InputPixelType)
/** Get/Set macro to get/set the maximum value */
itkSetMacro(Max, InputPixelType)
itkGetMacro(Max, InputPixelType)
/** Get/Set macro to get/set the nodata value */
itkSetMacro(NoData, InputPixelType)
itkGetMacro(NoData, InputPixelType)
/** Get/Set macro to get/set the nodata flag value */
itkBooleanMacro(NoDataFlag)
itkGetMacro(NoDataFlag, bool)
itkSetMacro(NoDataFlag, bool)
/** Get/Set macro to get/set the thumbnail's size */
itkSetMacro(ThumbSize, SizeType)
itkGetMacro(ThumbSize, SizeType)
/** Get/Set macro to get/set the threshold parameter */
itkSetMacro(Threshold , float)
itkGetMacro(Threshold , float)
typename OutputImageType::Pointer GetHistoOutput();
virtual itk::ProcessObject::DataObjectPointer
MakeOutput(itk::ProcessObject::DataObjectPointerArraySizeType idx)
override;
virtual itk::ProcessObject::DataObjectPointer
MakeOutput(const itk::ProcessObject::DataObjectIdentifierType &)
override;
protected:
ComputeHistoFilter();
~ComputeHistoFilter() override {}
void PrintSelf(std::ostream& os, itk::Indent indent) const override;
void GenerateInputRequestedRegion() override;
void GenerateOutputInformation() override;
// Call BeforeThreadedGenerateData after getting the number of thread
void GenerateData() override;
void BeforeThreadedGenerateData() override;
virtual void ThreadedGenerateData(
const OutputImageRegionType & outputRegionForThread ,
itk::ThreadIdType threadId) override;
void AfterThreadedGenerateData() override;
void GenerateOutputRequestedRegion( itk::DataObject *output ) override;
private:
ComputeHistoFilter(const Self &) = delete ;
void operator =(const Self&) = delete ;
void SetRequestedRegion( itk::ImageBase<2> * image ) ;
void ApplyThreshold(
typename itk::ImageRegionIterator < OutputImageType > oit ,
unsigned int total );
std::vector< typename OutputImageType::PixelType > m_HistoThread;
InputPixelType m_Min;
InputPixelType m_Max;
InputPixelType m_NoData;
SizeType m_ThumbSize;
bool m_NoDataFlag;
double m_Step;
float m_Threshold;
unsigned int m_NbBin;
unsigned int m_ValidThreads;
};
} // End namespace otb
#ifndef OTB_MANUAL_INSTANTIATION
#include "otbComputeHistoFilter.txx"
#endif
#endif
|
