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
|
/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkListSampleToHistogramGeneratorTest.cxx,v $
Language: C++
Date: $Date: 2005-08-24 15:16:15 $
Version: $Revision: 1.8 $
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 "itkVector.h"
#include "itkListSample.h"
#include "itkListSampleToHistogramGenerator.h"
int itkListSampleToHistogramGeneratorTest(int, char* [] )
{
std::cout << "ListSampleToHistogramGenerator Test \n \n";
bool pass = true;
std::string whereFail = "" ;
const unsigned int MeasurementVectorLength = 2;
typedef int MeasurementType ;
typedef itk::Vector< MeasurementType , MeasurementVectorLength > MeasurementVectorType ;
typedef itk::Statistics::ListSample< MeasurementVectorType > ListSampleType ;
ListSampleType::Pointer sample = ListSampleType::New();
sample->SetMeasurementVectorSize( MeasurementVectorLength );
MeasurementVectorType mv ;
for ( unsigned int i = 1 ; i < 6 ; i++ )
{
for (unsigned int j = 0 ; j < MeasurementVectorLength ; j++ )
{
mv[j] = ( MeasurementType ) i ;
}
for ( unsigned int j = 0 ; j < i ; j++ )
{
sample->PushBack(mv) ;
}
}
typedef float HistogramMeasurementType ;
typedef itk::Statistics::ListSampleToHistogramGenerator< ListSampleType,
HistogramMeasurementType, itk::Statistics::DenseFrequencyContainer,
MeasurementVectorLength > GeneratorType;
GeneratorType::Pointer generator = GeneratorType::New() ;
GeneratorType::HistogramType::SizeType size ;
size.Fill(5) ;
generator->SetListSample( sample ) ;
generator->SetNumberOfBins(size) ;
generator->Update() ;
GeneratorType::HistogramType::ConstPointer histogram = generator->GetOutput() ;
GeneratorType::HistogramType::IndexType index ;
index.Fill(0) ;
for ( unsigned int i = 0 ; i < 5 ; i++ )
{
index[0] = i ;
for ( unsigned int j = 0 ; j < 5 ; j++ )
{
index[1] = j ;
if ( i == j && histogram->GetFrequency(index) != (i + 1.0) )
{
pass = false ;
whereFail = " this class" ;
}
}
}
if( !pass )
{
std::cout << "Test failed in " << whereFail << "." << std::endl;
return EXIT_FAILURE;
}
std::cout << "Test passed." << std::endl;
return EXIT_SUCCESS;
}
|
