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@addtogroup videostab 59 //! @{ 60 61 class CV_EXPORTS ISparseOptFlowEstimator 62 { 63 public: ~ISparseOptFlowEstimator()64 virtual ~ISparseOptFlowEstimator() {} 65 virtual void run( 66 InputArray frame0, InputArray frame1, InputArray points0, InputOutputArray points1, 67 OutputArray status, OutputArray errors) = 0; 68 }; 69 70 class CV_EXPORTS IDenseOptFlowEstimator 71 { 72 public: ~IDenseOptFlowEstimator()73 virtual ~IDenseOptFlowEstimator() {} 74 virtual void run( 75 InputArray frame0, InputArray frame1, InputOutputArray flowX, InputOutputArray flowY, 76 OutputArray errors) = 0; 77 }; 78 79 class CV_EXPORTS PyrLkOptFlowEstimatorBase 80 { 81 public: PyrLkOptFlowEstimatorBase()82 PyrLkOptFlowEstimatorBase() { setWinSize(Size(21, 21)); setMaxLevel(3); } 83 setWinSize(Size val)84 virtual void setWinSize(Size val) { winSize_ = val; } winSize() const85 virtual Size winSize() const { return winSize_; } 86 setMaxLevel(int val)87 virtual void setMaxLevel(int val) { maxLevel_ = val; } maxLevel() const88 virtual int maxLevel() const { return maxLevel_; } ~PyrLkOptFlowEstimatorBase()89 virtual ~PyrLkOptFlowEstimatorBase() {} 90 91 protected: 92 Size winSize_; 93 int maxLevel_; 94 }; 95 96 class CV_EXPORTS SparsePyrLkOptFlowEstimator 97 : public PyrLkOptFlowEstimatorBase, public ISparseOptFlowEstimator 98 { 99 public: 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 106 107 class CV_EXPORTS SparsePyrLkOptFlowEstimatorGpu 108 : public PyrLkOptFlowEstimatorBase, public ISparseOptFlowEstimator 109 { 110 public: 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); 122 123 private: 124 Ptr<cuda::SparsePyrLKOpticalFlow> optFlowEstimator_; 125 cuda::GpuMat frame0_, frame1_, points0_, points1_, status_, errors_; 126 }; 127 128 class CV_EXPORTS DensePyrLkOptFlowEstimatorGpu 129 : public PyrLkOptFlowEstimatorBase, public IDenseOptFlowEstimator 130 { 131 public: 132 DensePyrLkOptFlowEstimatorGpu(); 133 134 virtual void run( 135 InputArray frame0, InputArray frame1, InputOutputArray flowX, InputOutputArray flowY, 136 OutputArray errors); 137 138 private: 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