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@addtogroup videostab 59//! @{ 60 61class CV_EXPORTS ISparseOptFlowEstimator 62{ 63public: 64 virtual ~ISparseOptFlowEstimator() {} 65 virtual void run( 66 InputArray frame0, InputArray frame1, InputArray points0, InputOutputArray points1, 67 OutputArray status, OutputArray errors) = 0; 68}; 69 70class CV_EXPORTS IDenseOptFlowEstimator 71{ 72public: 73 virtual ~IDenseOptFlowEstimator() {} 74 virtual void run( 75 InputArray frame0, InputArray frame1, InputOutputArray flowX, InputOutputArray flowY, 76 OutputArray errors) = 0; 77}; 78 79class CV_EXPORTS PyrLkOptFlowEstimatorBase 80{ 81public: 82 PyrLkOptFlowEstimatorBase() { setWinSize(Size(21, 21)); setMaxLevel(3); } 83 84 virtual void setWinSize(Size val) { winSize_ = val; } 85 virtual Size winSize() const { return winSize_; } 86 87 virtual void setMaxLevel(int val) { maxLevel_ = val; } 88 virtual int maxLevel() const { return maxLevel_; } 89 virtual ~PyrLkOptFlowEstimatorBase() {} 90 91protected: 92 Size winSize_; 93 int maxLevel_; 94}; 95 96class CV_EXPORTS SparsePyrLkOptFlowEstimator 97 : public PyrLkOptFlowEstimatorBase, public ISparseOptFlowEstimator 98{ 99public: 100 virtual void run( 101 InputArray frame0, InputArray frame1, InputArray points0, InputOutputArray points1, 102 OutputArray status, OutputArray errors); 103}; 104 105#ifdef HAVE_OPENCV_CUDAOPTFLOW 106 107class CV_EXPORTS SparsePyrLkOptFlowEstimatorGpu 108 : public PyrLkOptFlowEstimatorBase, public ISparseOptFlowEstimator 109{ 110public: 111 SparsePyrLkOptFlowEstimatorGpu(); 112 113 virtual void run( 114 InputArray frame0, InputArray frame1, InputArray points0, InputOutputArray points1, 115 OutputArray status, OutputArray errors); 116 117 void run(const cuda::GpuMat &frame0, const cuda::GpuMat &frame1, const cuda::GpuMat &points0, cuda::GpuMat &points1, 118 cuda::GpuMat &status, cuda::GpuMat &errors); 119 120 void run(const cuda::GpuMat &frame0, const cuda::GpuMat &frame1, const cuda::GpuMat &points0, cuda::GpuMat &points1, 121 cuda::GpuMat &status); 122 123private: 124 Ptr<cuda::SparsePyrLKOpticalFlow> optFlowEstimator_; 125 cuda::GpuMat frame0_, frame1_, points0_, points1_, status_, errors_; 126}; 127 128class CV_EXPORTS DensePyrLkOptFlowEstimatorGpu 129 : public PyrLkOptFlowEstimatorBase, public IDenseOptFlowEstimator 130{ 131public: 132 DensePyrLkOptFlowEstimatorGpu(); 133 134 virtual void run( 135 InputArray frame0, InputArray frame1, InputOutputArray flowX, InputOutputArray flowY, 136 OutputArray errors); 137 138private: 139 Ptr<cuda::DensePyrLKOpticalFlow> optFlowEstimator_; 140 cuda::GpuMat frame0_, frame1_, flowX_, flowY_, errors_; 141}; 142 143#endif 144 145//! @} 146 147} // namespace videostab 148} // namespace cv 149 150#endif 151