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
|
/*
* Copyright (C) 2005-2020 Centre National d'Etudes Spatiales (CNES)
* Copyright (C) 2007-2012 Institut Mines Telecom / Telecom Bretagne
*
* 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 otbKullbackLeiblerSupervizedDistanceImageFilter_hxx
#define otbKullbackLeiblerSupervizedDistanceImageFilter_hxx
#include "otbKullbackLeiblerSupervizedDistanceImageFilter.h"
namespace otb
{
namespace Functor
{
template <class TInput1, class TInput2, class TInputROIImage, class TOutput>
KullbackLeiblerSupervizedDistance<TInput1, TInput2, TInputROIImage, TOutput>::KullbackLeiblerSupervizedDistance()
{
m_CumROI1 = nullptr;
m_CumROI2 = nullptr;
}
template <class TInput1, class TInput2, class TInputROIImage, class TOutput>
KullbackLeiblerSupervizedDistance<TInput1, TInput2, TInputROIImage, TOutput>::~KullbackLeiblerSupervizedDistance()
{
delete m_CumROI1;
m_CumROI1 = nullptr;
delete m_CumROI2;
m_CumROI2 = nullptr;
}
template <class TInput1, class TInput2, class TInputROIImage, class TOutput>
void KullbackLeiblerSupervizedDistance<TInput1, TInput2, TInputROIImage, TOutput>::Evaluate(const typename TInput1::ImageType* img1,
const typename TInput2::ImageType* img2,
const TInputROIImage* imgROI)
{
typename ROIConversionType1::Pointer conversion1 = ROIConversionType1::New();
conversion1->SetInputImage(img1);
conversion1->SetROIImage(imgROI);
conversion1->Update();
if (m_CumROI1 != nullptr)
delete m_CumROI1;
m_CumROI1 = new CumulantsForEdgeworth<ROIInputType1>(conversion1->GetOutput());
if (!m_CumROI1->IsDataAvailable())
{
throw itk::ExceptionObject(__FILE__, __LINE__, "Cumulants estimated from ROI in image 1 are not usable", ITK_LOCATION);
}
typename ROIConversionType2::Pointer conversion2 = ROIConversionType2::New();
conversion2->SetInputImage(img2);
conversion2->SetROIImage(imgROI);
conversion2->Update();
if (m_CumROI2 != nullptr)
delete m_CumROI2;
m_CumROI2 = new CumulantsForEdgeworth<ROIInputType2>(conversion2->GetOutput());
if (!m_CumROI2->IsDataAvailable())
{
throw itk::ExceptionObject(__FILE__, __LINE__, "Cumulants estimated from ROI in image 2 are not usable", ITK_LOCATION);
}
}
template <class TInput1, class TInput2, class TInputROIImage, class TOutput>
TOutput KullbackLeiblerSupervizedDistance<TInput1, TInput2, TInputROIImage, TOutput>::operator()(const TInput1& it1, const TInput2& it2)
{
CumulantsForEdgeworth<TInput1> cum1(it1);
if (!cum1.IsDataAvailable())
{
return static_cast<TOutput>(0.);
}
CumulantsForEdgeworth<TInput2> cum2(it2);
if (!cum2.IsDataAvailable())
{
return static_cast<TOutput>(0.);
}
return static_cast<TOutput>(m_CumROI1->Divergence(cum1) + m_CumROI2->Divergence(cum2));
}
} // end of namespace Functor
/**
* Connect the training area to build the reference pdfs,
* with parameters to be hold by
* Functor::KullbackLeiblerSupervizedDistance.
*
* Images 1 & 2 are supposed to be already connected.
*/
template <class TInputImage1, class TInputImage2, class TInputROIImage, class TOutputImage>
void KullbackLeiblerSupervizedDistanceImageFilter<TInputImage1, TInputImage2, TInputROIImage, TOutputImage>::SetTrainingArea(
const TInputROIImage* trainingImage)
{
this->itk::ProcessObject::SetNthInput(2, const_cast<TInputROIImage*>(trainingImage));
}
template <class TInputImage1, class TInputImage2, class TInputROIImage, class TOutputImage>
void KullbackLeiblerSupervizedDistanceImageFilter<TInputImage1, TInputImage2, TInputROIImage, TOutputImage>::BeforeThreadedGenerateData(void)
{
typename TInputImage1::ConstPointer inputPtr1 = dynamic_cast<const TInputImage1*>(this->GetInput(0));
typename TInputImage2::ConstPointer inputPtr2 = dynamic_cast<const TInputImage2*>(this->GetInput(1));
typename TInputROIImage::ConstPointer trainingImage = static_cast<const TInputROIImage*>(this->itk::ProcessObject::GetInput(2));
this->GetFunctor().Evaluate(inputPtr1, inputPtr2, trainingImage);
}
} // end of namespace otb
#endif
|
