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
183
184
185
186
187
188
189
190
|
/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkBinaryErodeImageFilterTest.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 <stdlib.h>
#include <itkImage.h>
#include <itkBinaryErodeImageFilter.h>
#include <itkBinaryBallStructuringElement.h>
#include <itkImageRegionIterator.h>
#include "itkFilterWatcher.h"
#include <itkExceptionObject.h>
int itkBinaryErodeImageFilterTest(int, char* [] )
{
unsigned int i;
// Define the dimension of the images
const unsigned int myDimension = 2;
// Define the values of the input images
const unsigned short fgValue = 1;
const unsigned short bgValue = 0;
// Declare the types of the images
typedef itk::Image<unsigned short, myDimension> myImageType;
// Declare the type of the index to access images
typedef itk::Index<myDimension> myIndexType;
// Declare the type of the size
typedef itk::Size<myDimension> mySizeType;
// Declare the type of the Region
typedef itk::ImageRegion<myDimension> myRegionType;
// Create an image
myImageType::Pointer inputImage = myImageType::New();
// Define their size, and start index
mySizeType size;
size[0] = 20;
size[1] = 20;
myIndexType start;
start[0] = 0;
start[1] = 0;
myRegionType region;
region.SetIndex( start );
region.SetSize( size );
// Initialize Image
inputImage->SetRegions( region );
inputImage->Allocate();
// Declare Iterator types apropriated for each image
typedef itk::ImageRegionIterator<myImageType> myIteratorType;
// Create one iterator for image (this is a light object)
myIteratorType it( inputImage, inputImage->GetBufferedRegion() );
// Initialize the content of Image
std::cout << "Input image " << std::endl;
inputImage->FillBuffer(bgValue);
myImageType::IndexType ind;
ind[0] = 10;
ind[1] = 10;
inputImage->SetPixel(ind, fgValue);
ind[0] = 2;
ind[1] = 2;
inputImage->SetPixel(ind, fgValue);
ind[0] = 19;
ind[1] = 10;
inputImage->SetPixel(ind, fgValue);
ind[0] = 19;
ind[1] = 0;
inputImage->SetPixel(ind, fgValue);
ind[0] = 19;
ind[1] = 19;
inputImage->SetPixel(ind, fgValue);
ind[0] = 0;
ind[1] = 19;
inputImage->SetPixel(ind, fgValue);
i = 0;
it.GoToBegin();
while ( !it.IsAtEnd() )
{
std::cout << it.Get() << " ";
++it;
if (++i % 20 == 0)
{
std::cout << std::endl;
}
}
// Declare the type for the structuring element
typedef itk::BinaryBallStructuringElement<unsigned short, myDimension>
myKernelType;
// Declare the type for the morphology Filter
typedef itk::BinaryErodeImageFilter<myImageType, myImageType, myKernelType>
myFilterType;
// Create the filter
myFilterType::Pointer filter = myFilterType::New();
FilterWatcher watcher(filter, "filter");
// Create the structuring element
myKernelType ball;
myKernelType::SizeType ballSize;
ballSize[0] = 1;
ballSize[1] = 4;
ball.SetRadius(ballSize);
ball.CreateStructuringElement();
// Connect the input image
filter->SetInput( inputImage );
filter->SetKernel( ball );
filter->SetErodeValue( fgValue );
// Get the Smart Pointer to the Filter Output
myImageType::Pointer outputImage = filter->GetOutput();
// Test the itkGetMacro
unsigned short value = filter->GetErodeValue();
std::cout << "filter->GetErodeValue(): " << value << std::endl;
// Execute the filter
try
{
filter->Update();
// Create an iterator for going through the image output
myIteratorType it2(outputImage, outputImage->GetBufferedRegion());
// Print the content of the result image
std::cout << "Result " << std::endl;
i=0;
while( !it2.IsAtEnd() )
{
std::cout << it2.Get() << " ";
++it2;
if (++i % 20 == 0)
{
std::cout << std::endl;
}
}
}
catch (itk::ExceptionObject& e)
{
std::cerr << "Exception caught during filter Update\n" << e;
return -1;
}
// All objects should be automatically destroyed at this point
return EXIT_SUCCESS;
}
|
