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
|
/*=========================================================================
*
* 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 itkKernelImageFilter_h
#define itkKernelImageFilter_h
#include "itkBoxImageFilter.h"
namespace itk
{
template< unsigned int VDimension > class FlatStructuringElement;
/**
* \class KernelImageFilter
* \brief A base class for all the filters working on an arbitrary shaped neighborhood
*
* This filter provides the code to store the radius information about the
* neighborhood used in the subclasses.
*
* \author Gaetan Lehmann
* \ingroup ITKImageFilterBase
*/
template< typename TInputImage, typename TOutputImage, typename TKernel /*=Neighborhood<bool,
TInputImage::ImageDimension>*/ >
class ITK_TEMPLATE_EXPORT KernelImageFilter:
public BoxImageFilter< TInputImage, TOutputImage >
{
public:
/** Standard class typedefs. */
typedef KernelImageFilter Self;
typedef BoxImageFilter< TInputImage, TOutputImage > Superclass;
typedef SmartPointer< Self > Pointer;
typedef SmartPointer< const Self > ConstPointer;
/** Standard New method. */
itkNewMacro(Self);
/** Runtime information support. */
itkTypeMacro(KernelImageFilter,
BoxImageFilter);
/** Image related typedefs. */
typedef TInputImage InputImageType;
typedef typename TInputImage::RegionType RegionType;
typedef typename TInputImage::SizeType SizeType;
typedef typename TInputImage::IndexType IndexType;
typedef typename TInputImage::OffsetType OffsetType;
typedef typename TInputImage::PixelType InputPixelType;
typedef TOutputImage OutputImageType;
typedef typename TOutputImage::PixelType OutputPixelType;
typedef TKernel KernelType;
/** Image related typedefs. */
itkStaticConstMacro(ImageDimension, unsigned int,
TInputImage::ImageDimension);
/** Kernel type used to create box kernel, in SetRadius() method */
typedef FlatStructuringElement< itkGetStaticConstMacro(ImageDimension) >
FlatKernelType;
/** n-dimensional Kernel radius. */
typedef typename TInputImage::SizeType RadiusType;
/** Set kernel (structuring element). */
virtual void SetKernel(const KernelType & kernel);
itkGetConstReferenceMacro(Kernel, KernelType);
/** Set the kernel to a box kernel of given radius. */
virtual void SetRadius(const RadiusType & radius) ITK_OVERRIDE;
virtual void SetRadius(const SizeValueType & radius) ITK_OVERRIDE
{
// needed because of the overloading of the method
Superclass::SetRadius(radius);
}
protected:
KernelImageFilter();
~KernelImageFilter() ITK_OVERRIDE {}
void PrintSelf(std::ostream & os, Indent indent) const ITK_OVERRIDE;
/** kernel or structuring element to use. */
KernelType m_Kernel;
private:
ITK_DISALLOW_COPY_AND_ASSIGN(KernelImageFilter);
template<typename T> void MakeKernel( const RadiusType & radius, T & kernel )
{
kernel.SetRadius( radius );
for( typename T::Iterator kit=kernel.Begin(); kit != kernel.End(); kit++ )
{
*kit = 1;
}
}
void MakeKernel( const RadiusType & radius, FlatKernelType & kernel )
{
// set up a decomposable box structuring element which is
// much efficient with van Herk / Gil Werman filters
kernel = FlatKernelType::Box( radius );
assert( kernel.GetDecomposable() );
}
};
}
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkKernelImageFilter.hxx"
#endif
#endif
|
