OpenCV 4.5.3(日本語機械翻訳)
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pcaflow.hpp
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39
55 #ifndef __OPENCV_OPTFLOW_PCAFLOW_HPP__
56 #define __OPENCV_OPTFLOW_PCAFLOW_HPP__
57
58 #include "opencv2/core.hpp"
59 #include "opencv2/video.hpp"
60
61 namespace cv
62{
63 namespace optflow
64{
65
68
74 class CV_EXPORTS_W PCAPrior
75{
76 private:
77 Mat L1;
78 Mat L2;
79 Mat c1;
80 Mat c2;
81
82 public:
83 PCAPrior( const char *pathToPrior );
84
85 int getPadding() const { return L1.size().height; }
86
87 int getBasisSize() const { return L1.size().width; }
88
89 void fillConstraints( float *A1, float *A2, float *b1, float *b2 ) const;
90};
91
94 class CV_EXPORTS_W OpticalFlowPCAFlow : public DenseOpticalFlow
95{
96 protected:
97 const Ptr<const PCAPrior> prior;
98 const Size basisSize;
99 const float sparseRate; // (0 .. 0.1)
100 const float retainedCornersFraction; // [0 .. 1]
101 const float occlusionsThreshold;
102 const float dampingFactor;
103 const float claheClip;
104 bool useOpenCL;
105
106 public:
116 OpticalFlowPCAFlow( Ptr<const PCAPrior> _prior = Ptr<const PCAPrior>(), const Size _basisSize = Size( 18, 14 ),
117 float _sparseRate = 0.024, float _retainedCornersFraction = 0.2,
118 float _occlusionsThreshold = 0.0003, float _dampingFactor = 0.00002, float _claheClip = 14 );
119
120 void calc( InputArray I0, InputArray I1, InputOutputArray flow ) CV_OVERRIDE;
121 void collectGarbage() CV_OVERRIDE;
122
123private:
124 void findSparseFeatures( UMat &from, UMat &to, std::vector<Point2f> &features,
125 std::vector<Point2f> &predictedFeatures ) const;
126
127 void removeOcclusions( UMat &from, UMat &to, std::vector<Point2f> &features,
128 std::vector<Point2f> &predictedFeatures ) const;
129
130 void getSystem( OutputArray AOut, OutputArray b1Out, OutputArray b2Out, const std::vector<Point2f> &features,
131 const std::vector<Point2f> &predictedFeatures, const Size size );
132
133 void getSystem( OutputArray A1Out, OutputArray A2Out, OutputArray b1Out, OutputArray b2Out,
134 const std::vector<Point2f> &features, const std::vector<Point2f> &predictedFeatures,
135 const Size size );
136
137 OpticalFlowPCAFlow& operator=( const OpticalFlowPCAFlow& ); // make it non-assignable
138};
139
142 CV_EXPORTS_W Ptr<DenseOpticalFlow> createOptFlow_PCAFlow();
143
145
146}
147}
148
149 #endif
cv::_InputOutputArray
Definition: mat.hpp:386
cv::_OutputArray
This type is very similar to InputArray except that it is used for input/output and output function p...
Definition: mat.hpp:295
cv::DenseOpticalFlow
Definition: video/tracking.hpp:437
cv::Mat
n-dimensional dense array class
Definition: mat.hpp:802
cv::Point_< float >
cv::Size_
Template class for specifying the size of an image or rectangle.
Definition: core/types.hpp:316
cv::UMat
Definition: mat.hpp:2402
cv::optflow::OpticalFlowPCAFlow
PCAFlow algorithm.
Definition: pcaflow.hpp:95
cv::optflow::OpticalFlowPCAFlow::collectGarbage
void collectGarbage() CV_OVERRIDE
Releases all inner buffers.
cv::optflow::OpticalFlowPCAFlow::calc
void calc(InputArray I0, InputArray I1, InputOutputArray flow) CV_OVERRIDE
Calculates an optical flow.
cv::optflow::OpticalFlowPCAFlow::OpticalFlowPCAFlow
OpticalFlowPCAFlow(Ptr< const PCAPrior > _prior=Ptr< const PCAPrior >(), const Size _basisSize=Size(18, 14), float _sparseRate=0.024, float _retainedCornersFraction=0.2, float _occlusionsThreshold=0.0003, float _dampingFactor=0.00002, float _claheClip=14)
Creates an instance of PCAFlow algorithm.
cv::optflow::PCAPrior
This class can be used for imposing a learned prior on the resulting optical flow....
Definition: pcaflow.hpp:75
cv::optflow::createOptFlow_PCAFlow
CV_EXPORTS_W Ptr< DenseOpticalFlow > createOptFlow_PCAFlow()
Creates an instance of PCAFlow
cv
"black box" representation of the file storage associated with a file on disk.
Definition: aruco.hpp:75
cv::L1
Definition: features2d.hpp:910
cv::L2
Definition: features2d.hpp:894
cv::Ptr
Definition: cvstd_wrapper.hpp:74
構築: doxygen 1.9.2