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
|
/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkSimpleContourExtractorImageFilter.h,v $
Language: C++
Date: $Date: 2006-03-30 15:36:25 $
Version: $Revision: 1.3 $
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.
=========================================================================*/
#ifndef __itkSimpleContourExtractorImageFilter_h
#define __itkSimpleContourExtractorImageFilter_h
#include "itkImageToImageFilter.h"
#include "itkImage.h"
#include "itkNumericTraits.h"
namespace itk
{
/** \class SimpleContourExtractorImageFilter
* \brief Computes an image of contours from
*
* Computes an image which will be the contour of the first image. A
* pixel of the source image is considered to belong to the contour,
* if its pixel value is equal to the input Foreground value and it
* has in its neighborhood at least one pixel which its pixel value is
* equal to the input background value. The output image will have
* pixels which will be set to the output foreground value if they
* belong to the contour, otherwise they will be set to the ouput
* background value.
* The neighborhood "radius" is set thanks to the radius params.
*
* \sa Image
* \sa Neighborhood
* \sa NeighborhoodOperator
* \sa NeighborhoodIterator
*
* \ingroup IntensityImageFilters
*/
template <class TInputImage, class TOutputImage>
class ITK_EXPORT SimpleContourExtractorImageFilter :
public ImageToImageFilter< TInputImage, TOutputImage >
{
public:
/** Extract dimension from input and output image. */
itkStaticConstMacro(InputImageDimension, unsigned int,
TInputImage::ImageDimension);
itkStaticConstMacro(OutputImageDimension, unsigned int,
TOutputImage::ImageDimension);
/** Convenient typedefs for simplifying declarations. */
typedef TInputImage InputImageType;
typedef TOutputImage OutputImageType;
/** Standard class typedefs. */
typedef SimpleContourExtractorImageFilter Self;
typedef ImageToImageFilter< InputImageType, OutputImageType> Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(SimpleContourExtractorImageFilter, ImageToImageFilter);
/** Image typedef support. */
typedef typename InputImageType::PixelType InputPixelType;
typedef typename OutputImageType::PixelType OutputPixelType;
typedef typename NumericTraits<InputPixelType>::RealType InputRealType;
typedef typename InputImageType::RegionType InputImageRegionType;
typedef typename OutputImageType::RegionType OutputImageRegionType;
typedef typename InputImageType::SizeType InputSizeType;
/** Set the radius of the neighborhood used to identify border
* pixel. */
itkSetMacro(Radius, InputSizeType);
/** Get the radius of the neighborhood used to identify border
* pixel. */
itkGetConstReferenceMacro(Radius, InputSizeType);
/** Set the foreground value used in order to identify a foreground
* pixel in the input image. */
itkSetMacro(InputForegroundValue, InputPixelType);
/** Get the foreground value used in order to identify a foreground
* pixel in the input image. */
itkGetConstReferenceMacro(InputForegroundValue, InputPixelType);
/** Set the background value used in order to identify a background
* pixel in the input image. */
itkSetMacro(InputBackgroundValue, InputPixelType);
/** Get the background value used in order to identify a background
* pixel in the input image. */
itkGetConstReferenceMacro(InputBackgroundValue, InputPixelType);
/** Set the foreground value used in order to identify a foreground
* pixel in the output image. */
itkSetMacro(OutputForegroundValue, OutputPixelType);
/** Get the foreground value used in order to identify a foreground
* pixel in the output image. */
itkGetConstReferenceMacro(OutputForegroundValue, OutputPixelType);
/** Set the background value used in order to identify a background
* pixel in the output image. */
itkSetMacro(OutputBackgroundValue, OutputPixelType);
/** Get the background value used in order to identify a background
* pixel in the output image. */
itkGetConstReferenceMacro(OutputBackgroundValue, OutputPixelType);
/** SimpleContourExtractorImageFilter needs a larger input requested
* region than the output requested region. As such,
* SimpleContourExtractorImageFilter needs to provide an
* implementation for GenerateInputRequestedRegion() in order to
* inform the pipeline execution model.
*
* \sa ImageToImageFilter::GenerateInputRequestedRegion() */
virtual void GenerateInputRequestedRegion() throw(InvalidRequestedRegionError);
#ifdef ITK_USE_CONCEPT_CHECKING
/** Begin concept checking */
itkConceptMacro(InputHasNumericTraitsCheck,
(Concept::HasNumericTraits<InputPixelType>));
itkConceptMacro(OutputHasNumericTraitsCheck,
(Concept::HasNumericTraits<OutputPixelType>));
/** End concept checking */
#endif
protected:
SimpleContourExtractorImageFilter();
virtual ~SimpleContourExtractorImageFilter() {}
void PrintSelf(std::ostream& os, Indent indent) const;
/** SimpleContourExtractorImageFilter can be implemented as a
* multithreaded filter. Therefore, this implementation provides a
* ThreadedGenerateData() routine which is called for each
* processing thread. The output image data is allocated
* automatically by the superclass prior to calling
* ThreadedGenerateData(). ThreadedGenerateData can only write to
* the portion of the output image specified by the parameter
* "outputRegionForThread"
*
* \sa ImageToImageFilter::ThreadedGenerateData(),
* ImageToImageFilter::GenerateData() */
void ThreadedGenerateData(const OutputImageRegionType& outputRegionForThread,
int threadId );
private:
SimpleContourExtractorImageFilter(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
InputSizeType m_Radius;
InputPixelType m_InputForegroundValue;
InputPixelType m_InputBackgroundValue;
OutputPixelType m_OutputForegroundValue;
OutputPixelType m_OutputBackgroundValue;
};
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkSimpleContourExtractorImageFilter.txx"
#endif
#endif
|
