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
|
/*=========================================================================
*
* Copyright NumFOCUS
*
* 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
*
* https://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 itkFrameDifferenceVideoFilter_h
#define itkFrameDifferenceVideoFilter_h
#include "itkVideoToVideoFilter.h"
namespace itk
{
/**
* \class FrameDifferenceVideoFilter
* \brief Compute the squared intensity difference between frame x and frame
* x+n
*
* This filter computes the squared intensity difference between a frame and
* the nth previous frame.
*
* \ingroup ITKVideoFiltering
*/
template <typename TInputVideoStream, typename TOutputVideoStream>
class ITK_TEMPLATE_EXPORT FrameDifferenceVideoFilter : public VideoToVideoFilter<TInputVideoStream, TOutputVideoStream>
{
public:
ITK_DISALLOW_COPY_AND_MOVE(FrameDifferenceVideoFilter);
/** Standard class type aliases */
using InputVideoStreamType = TInputVideoStream;
using OutputVideoStreamType = TOutputVideoStream;
using Self = FrameDifferenceVideoFilter<InputVideoStreamType, OutputVideoStreamType>;
using Superclass = VideoToVideoFilter<InputVideoStreamType, OutputVideoStreamType>;
using Pointer = SmartPointer<Self>;
using ConstPointer = SmartPointer<const Self>;
using ConstWeakPointer = WeakPointer<const Self>;
using InputFrameType = typename TInputVideoStream::FrameType;
using InputPixelType = typename InputFrameType::PixelType;
using InputFrameSpatialRegionType = typename InputFrameType::RegionType;
using OutputFrameType = typename TOutputVideoStream::FrameType;
using OutputPixelType = typename OutputFrameType::PixelType;
using OutputFrameSpatialRegionType = typename OutputFrameType::RegionType;
itkNewMacro(Self);
itkOverrideGetNameOfClassMacro(FrameDifferenceVideoFilter);
/** Get/Set the offset for computing frame differences. Defaults to 1. */
void
SetFrameOffset(SizeValueType numFrames);
SizeValueType
GetFrameOffset();
protected:
/** Constructor and Destructor */
FrameDifferenceVideoFilter();
~FrameDifferenceVideoFilter() override = default;
/** PrintSelf */
void
PrintSelf(std::ostream & os, Indent indent) const override;
/** FrameDifferenceVideoFilter is implemented as a temporal streaming and
* spatially multithreaded filter, so we override ThreadedGenerateData */
void
ThreadedGenerateData(const OutputFrameSpatialRegionType & outputRegionForThread, int threadId) override;
private:
}; // end class FrameDifferenceVideoFilter
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
# include "itkFrameDifferenceVideoFilter.hxx"
#endif
#endif
|
