1 /*M/////////////////////////////////////////////////////////////////////////////////////// 2 // 3 // IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. 4 // 5 // By downloading, copying, installing or using the software you agree to this license. 6 // If you do not agree to this license, do not download, install, 7 // copy or use the software. 8 // 9 // 10 // License Agreement 11 // For Open Source Computer Vision Library 12 // 13 // Copyright (C) 2000-2008, Intel Corporation, all rights reserved. 14 // Copyright (C) 2009-2011, Willow Garage Inc., all rights reserved. 15 // Third party copyrights are property of their respective owners. 16 // 17 // Redistribution and use in source and binary forms, with or without modification, 18 // are permitted provided that the following conditions are met: 19 // 20 // * Redistribution's of source code must retain the above copyright notice, 21 // this list of conditions and the following disclaimer. 22 // 23 // * Redistribution's in binary form must reproduce the above copyright notice, 24 // this list of conditions and the following disclaimer in the documentation 25 // and/or other materials provided with the distribution. 26 // 27 // * The name of the copyright holders may not be used to endorse or promote products 28 // derived from this software without specific prior written permission. 29 // 30 // This software is provided by the copyright holders and contributors "as is" and 31 // any express or implied warranties, including, but not limited to, the implied 32 // warranties of merchantability and fitness for a particular purpose are disclaimed. 33 // In no event shall the Intel Corporation or contributors be liable for any direct, 34 // indirect, incidental, special, exemplary, or consequential damages 35 // (including, but not limited to, procurement of substitute goods or services; 36 // loss of use, data, or profits; or business interruption) however caused 37 // and on any theory of liability, whether in contract, strict liability, 38 // or tort (including negligence or otherwise) arising in any way out of 39 // the use of this software, even if advised of the possibility of such damage. 40 // 41 //M*/ 42 43 #ifndef __OPENCV_VIDEOSTAB_OPTICAL_FLOW_HPP__ 44 #define __OPENCV_VIDEOSTAB_OPTICAL_FLOW_HPP__ 45 46 #include "opencv2/core.hpp" 47 #include "opencv2/opencv_modules.hpp" 48 49 #ifdef HAVE_OPENCV_CUDAOPTFLOW 50 #include "opencv2/cudaoptflow.hpp" 51 #endif 52 53 namespace cv 54 { 55 namespace videostab 56 { 57 58 //! @addtogroup videostab 59 //! @{ 60 61 class CV_EXPORTS ISparseOptFlowEstimator 62 { 63 public: 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: 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: 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 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
