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
|
/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkWarpJacobianDeterminantFilterTest.cxx
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#if defined(_MSC_VER)
#pragma warning ( disable : 4786 )
#endif
#include "itkOrientedImage.h"
#include "itkVector.h"
#include "itkDisplacementFieldJacobianDeterminantFilter.h"
#include "itkImageRegionIteratorWithIndex.h"
int itkWarpJacobianDeterminantFilterTest(int, char* [] )
{
// Define the dimension of the images
const unsigned int ImageDimension = 3;
typedef itk::Vector< double, ImageDimension > DeformationPixelType;
typedef unsigned char OutputPixelType;
// Declare the types of the images
typedef itk::Image<DeformationPixelType, ImageDimension> DeformationFieldType;
typedef itk::Image<OutputPixelType, ImageDimension> OutputImageType;
// Declare Iterator types apropriated for each image
typedef itk::ImageRegionIteratorWithIndex< DeformationFieldType > DeformationIteratorType;
typedef itk::ImageRegionIteratorWithIndex< OutputImageType > OutputIteratorType;
// Declare the type of the index to access images
typedef itk::Index<ImageDimension> IndexType;
// Declare the type of the size
typedef itk::Size<ImageDimension> SizeType;
// Declare the type of the Region
typedef itk::ImageRegion<ImageDimension> RegionType;
// Create two images
DeformationFieldType ::Pointer inputDeformationField = DeformationFieldType ::New();
// Define their size, and start index
SizeType size;
size[0] = 2;
size[1] = 2;
size[2] = 2;
IndexType start;
start[0] = 0;
start[1] = 0;
start[2] = 0;
RegionType region;
region.SetIndex( start );
region.SetSize( size );
// Initialize Image A
inputDeformationField->SetLargestPossibleRegion( region );
inputDeformationField->SetBufferedRegion( region );
inputDeformationField->SetRequestedRegion( region );
inputDeformationField->Allocate();
// Create one iterator for the Input Image (this is a light object)
DeformationIteratorType it( inputDeformationField, inputDeformationField->GetBufferedRegion() );
// Initialize the content of Image A
DeformationPixelType vectorValue;
vectorValue.Fill( 5.0 ); // FIXME: replace with something more interesting...
it.GoToBegin();
while( !it.IsAtEnd() )
{
it.Set( vectorValue );
std::cout << it.Get() << std::endl;
++it;
}
// Declare the type for the Log filter
typedef itk::DisplacementFieldJacobianDeterminantFilter<
DeformationFieldType, float, OutputImageType > FilterType;
// Create one Filter
FilterType::Pointer filter = FilterType::New();
// Connect the input images
filter->SetInput( inputDeformationField );
// Execute the filter
filter->Update();
// Get the Smart Pointer to the Filter Output
OutputImageType::Pointer outputImage = filter->GetOutput();
// Create an iterator for going through the image output
OutputIteratorType ot(outputImage, outputImage->GetRequestedRegion());
// Check the content of the result image
std::cout << "Verification of the output " << std::endl;
ot.GoToBegin();
it.GoToBegin();
while( !ot.IsAtEnd() )
{
DeformationPixelType input = it.Get();
OutputPixelType output = ot.Get();
std::cout << input << " => ";
std::cout << output << std::endl;
++ot;
++it;
}
return EXIT_SUCCESS;
}
|
