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
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
|
/*
* Copyright (C) 2005-2020 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 otbCLHistogramEqualizationFilter_h
#define otbCLHistogramEqualizationFilter_h
#include "itkImageToImageFilter.h"
#include "otbImage.h"
#include "otbVectorImage.h"
#include "otbComputeHistoFilter.h"
#include "otbComputeGainLutFilter.h"
#include "otbApplyGainFilter.h"
#include "itkStreamingImageFilter.h"
#include "otbInPlacePassFilter.h"
namespace otb
{
/** \class CLHistogramEqualizationFilter
* \brief Implement CLAHE algorithm
*
* This class implement CLAHE algorithm. It is a composite filter that gathers
* the 3 filters (ComputeHisto, ComputeGainLut, ApplyGain) and pipes them with
* additional filters (InPlacePass and StreamingImage) in order to make
* streaming available.
* \ingroup OTBContrast
*/
template <class TInputImage, class TOutputImage>
class ITK_EXPORT CLHistogramEqualizationFilter : public itk::ImageToImageFilter<TInputImage, TOutputImage>
{
public:
/** typedef for standard classes. */
typedef TInputImage InputImageType;
typedef TOutputImage OutputImageType;
typedef CLHistogramEqualizationFilter Self;
typedef itk::ImageToImageFilter<InputImageType, OutputImageType> Superclass;
typedef itk::SmartPointer<Self> Pointer;
typedef itk::SmartPointer<const Self> ConstPointer;
typedef otb::VectorImage<unsigned int, 2> HistogramType;
typedef otb::VectorImage<double, 2> LutType;
typedef itk::StreamingImageFilter<LutType, LutType> StreamingImageFilter;
typedef otb::InPlacePassFilter<InputImageType> BufferFilter;
typedef otb::ComputeHistoFilter<InputImageType, HistogramType> HistoFilter;
typedef otb::ComputeGainLutFilter<HistogramType, LutType> GainLutFilter;
typedef otb::ApplyGainFilter<InputImageType, LutType, OutputImageType> ApplyGainFilter;
typedef typename InputImageType::PixelType InputPixelType;
typedef typename OutputImageType::RegionType OutputImageRegionType;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(CLHistogramEqualizationFilter, ImageToImageFilter);
itkGetMacro(Min, InputPixelType);
// itkSetMacro(Min, InputPixelType);
void SetMin(InputPixelType min)
{
m_HistoFilter->SetMin(min);
m_GainLutFilter->SetMin(min);
m_ApplyGainFilter->SetMin(min);
m_Min = min;
};
itkGetMacro(Max, InputPixelType);
// itkSetMacro(Max, InputPixelType);
void SetMax(InputPixelType max)
{
m_HistoFilter->SetMax(max);
m_GainLutFilter->SetMax(max);
m_ApplyGainFilter->SetMax(max);
m_Max = max;
};
itkGetMacro(NbBin, unsigned long);
// itkSetMacro(NbBin, unsigned long);
void SetNbBin(unsigned long bin)
{
m_HistoFilter->SetNbBin(bin);
m_NbBin = bin;
};
itkGetMacro(ThumbSize, typename InputImageType::SizeType);
// itkSetMacro(ThumbSize, typename InputImageType::SizeType);
void SetThumbSize(typename InputImageType::SizeType size)
{
m_HistoFilter->SetThumbSize(size);
m_ApplyGainFilter->SetThumbSize(size);
m_GainLutFilter->SetNbPixel(size[0] * size[1]);
m_ThumbSize = size;
};
itkGetMacro(Threshold, double);
// itkSetMacro(Threshold, double);
void SetThreshold(double t)
{
m_HistoFilter->SetThreshold(t);
m_Threshold = t;
};
itkGetMacro(NoData, InputPixelType);
// itkSetMacro(NoData, InputPixelType);
void SetNoData(InputPixelType n)
{
m_HistoFilter->SetNoData(n);
m_ApplyGainFilter->SetNoData(n);
m_NoData = n;
}
itkGetMacro(NoDataFlag, bool);
// itkSetMacro(NoDataFlag, bool);
void SetNoDataFlag(bool flag)
{
m_HistoFilter->SetNoDataFlag(flag);
m_ApplyGainFilter->SetNoDataFlag(flag);
m_NoDataFlag = flag;
}
protected:
CLHistogramEqualizationFilter();
~CLHistogramEqualizationFilter() override
{
}
void PrintSelf(std::ostream& os, itk::Indent indent) const override;
void UpdateOutputInformation() override;
void PropagateRequestedRegion(itk::DataObject* output) override;
void GenerateData() override;
private:
CLHistogramEqualizationFilter(const Self&) = delete;
void operator=(const Self&) = delete;
typename HistoFilter::Pointer m_HistoFilter;
typename GainLutFilter::Pointer m_GainLutFilter;
typename ApplyGainFilter::Pointer m_ApplyGainFilter;
typename StreamingImageFilter::Pointer m_StreamingImageFilter;
typename BufferFilter::Pointer m_BufferFilter;
InputPixelType m_Min, m_Max, m_NoData;
unsigned long m_NbBin;
typename InputImageType::SizeType m_ThumbSize{0,0};
double m_Threshold;
bool m_NoDataFlag;
};
} // End namespace otb
#ifndef OTB_MANUAL_INSTANTIATION
#include "otbCLHistogramEqualizationFilter.hxx"
#endif
#endif
|
