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
|
/*=========================================================================
*
* Copyright Insight Software Consortium
*
* 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.txt
*
* 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 itkConnectedThresholdImageFilter_h
#define itkConnectedThresholdImageFilter_h
#include "itkImageToImageFilter.h"
#include "itkSimpleDataObjectDecorator.h"
namespace itk
{
/** \class ConnectedThresholdImageFilter
* \brief Label pixels that are connected to a seed and lie within a range of values
*
* ConnectedThresholdImageFilter labels pixels with ReplaceValue that are
* connected to an initial Seed AND lie within a Lower and Upper
* threshold range.
*
* \ingroup RegionGrowingSegmentation
* \ingroup ITKRegionGrowing
*/
template< typename TInputImage, typename TOutputImage >
class ITK_TEMPLATE_EXPORT ConnectedThresholdImageFilter:
public ImageToImageFilter< TInputImage, TOutputImage >
{
public:
/** Standard class typedefs. */
typedef ConnectedThresholdImageFilter Self;
typedef ImageToImageFilter< TInputImage, TOutputImage > 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(ConnectedThresholdImageFilter,
ImageToImageFilter);
typedef TInputImage InputImageType;
typedef typename InputImageType::Pointer InputImagePointer;
typedef typename InputImageType::ConstPointer InputImageConstPointer;
typedef typename InputImageType::RegionType InputImageRegionType;
typedef typename InputImageType::PixelType InputImagePixelType;
typedef typename InputImageType::IndexType IndexType;
typedef typename std::vector<IndexType> SeedContainerType;
typedef typename InputImageType::SizeType SizeType;
typedef TOutputImage OutputImageType;
typedef typename OutputImageType::Pointer OutputImagePointer;
typedef typename OutputImageType::RegionType OutputImageRegionType;
typedef typename OutputImageType::PixelType OutputImagePixelType;
void PrintSelf(std::ostream & os, Indent indent) const ITK_OVERRIDE;
/** Set seed point. */
void SetSeed(const IndexType & seed);
void AddSeed(const IndexType & seed);
/** Clear the seed list. */
void ClearSeeds();
/** Method to access seed container. */
virtual const SeedContainerType &GetSeeds() const;
/** Set/Get value to replace thresholded pixels. Pixels that lie *
* within Lower and Upper (inclusive) will be replaced with this
* value. The default is 1. */
itkSetMacro(ReplaceValue, OutputImagePixelType);
itkGetConstMacro(ReplaceValue, OutputImagePixelType);
/** Type of DataObjects to use for scalar inputs */
typedef SimpleDataObjectDecorator< InputImagePixelType > InputPixelObjectType;
/** Set Upper and Lower Threshold inputs as values */
virtual void SetUpper(InputImagePixelType);
virtual void SetLower(InputImagePixelType);
/** Set Threshold inputs that are connected to the pipeline */
virtual void SetUpperInput(const InputPixelObjectType *);
virtual void SetLowerInput(const InputPixelObjectType *);
/** Get Upper and Lower Threshold inputs as values. */
virtual InputImagePixelType GetUpper() const;
virtual InputImagePixelType GetLower() const;
/** Get Threshold inputs that are connected to the pipeline. */
virtual InputPixelObjectType * GetUpperInput();
virtual InputPixelObjectType * GetLowerInput();
/** Image dimension constants. */
itkStaticConstMacro(InputImageDimension, unsigned int,
TInputImage::ImageDimension);
itkStaticConstMacro(OutputImageDimension, unsigned int,
TOutputImage::ImageDimension);
#ifdef ITK_USE_CONCEPT_CHECKING
// Begin concept checking
itkConceptMacro( OutputEqualityComparableCheck,
( Concept::EqualityComparable< OutputImagePixelType > ) );
itkConceptMacro( InputEqualityComparableCheck,
( Concept::EqualityComparable< InputImagePixelType > ) );
itkConceptMacro( InputConvertibleToOutputCheck,
( Concept::Convertible< InputImagePixelType, OutputImagePixelType > ) );
itkConceptMacro( SameDimensionCheck,
( Concept::SameDimension< InputImageDimension, OutputImageDimension > ) );
itkConceptMacro( IntConvertibleToInputCheck,
( Concept::Convertible< int, InputImagePixelType > ) );
itkConceptMacro( OutputOStreamWritableCheck,
( Concept::OStreamWritable< OutputImagePixelType > ) );
// End concept checking
#endif
/** Face connectivity is 4 connected in 2D, 6 connected in 3D, 2*n in ND
* Full connectivity is 8 connected in 2D, 26 connected in 3D, 3^n-1 in ND
* Default is to use FaceConnectivity. */
typedef enum {
FaceConnectivity,
FullConnectivity
} ConnectivityEnumType;
/** Type of connectivity to use (fully connected OR 4(2D), 6(3D),
* 2*N(ND) connectivity). */
itkSetEnumMacro(Connectivity, ConnectivityEnumType);
itkGetEnumMacro(Connectivity, ConnectivityEnumType);
protected:
ConnectedThresholdImageFilter();
~ConnectedThresholdImageFilter() ITK_OVERRIDE {}
// Override since the filter needs all the data for the algorithm.
void GenerateInputRequestedRegion() ITK_OVERRIDE;
// Override since the filter produces the entire dataset.
void EnlargeOutputRequestedRegion(DataObject *output) ITK_OVERRIDE;
void GenerateData() ITK_OVERRIDE;
private:
ITK_DISALLOW_COPY_AND_ASSIGN(ConnectedThresholdImageFilter);
SeedContainerType m_Seeds;
OutputImagePixelType m_ReplaceValue;
ConnectivityEnumType m_Connectivity;
};
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkConnectedThresholdImageFilter.hxx"
#endif
#endif
|
