gpu.hpp
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42 
43 #ifndef __OPENCV_NONFREE_GPU_HPP__
44 #define __OPENCV_NONFREE_GPU_HPP__
45 
46 #include "opencv2/core/gpumat.hpp"
47 
48 namespace cv { namespace gpu {
49 
50 class CV_EXPORTS SURF_GPU
51 {
52 public:
54  {
55  X_ROW = 0,
62  ROWS_COUNT
63  };
64 
66  SURF_GPU();
68  explicit SURF_GPU(double _hessianThreshold, int _nOctaves=4,
69  int _nOctaveLayers=2, bool _extended=false, float _keypointsRatio=0.01f, bool _upright = false);
70 
72  int descriptorSize() const;
73 
75  void uploadKeypoints(const std::vector<KeyPoint>& keypoints, GpuMat& keypointsGPU);
77  void downloadKeypoints(const GpuMat& keypointsGPU, std::vector<KeyPoint>& keypoints);
78 
80  void downloadDescriptors(const GpuMat& descriptorsGPU, std::vector<float>& descriptors);
81 
92  void operator()(const GpuMat& img, const GpuMat& mask, GpuMat& keypoints);
95  void operator()(const GpuMat& img, const GpuMat& mask, GpuMat& keypoints, GpuMat& descriptors,
96  bool useProvidedKeypoints = false);
97 
98  void operator()(const GpuMat& img, const GpuMat& mask, std::vector<KeyPoint>& keypoints);
99  void operator()(const GpuMat& img, const GpuMat& mask, std::vector<KeyPoint>& keypoints, GpuMat& descriptors,
100  bool useProvidedKeypoints = false);
101 
102  void operator()(const GpuMat& img, const GpuMat& mask, std::vector<KeyPoint>& keypoints, std::vector<float>& descriptors,
103  bool useProvidedKeypoints = false);
104 
105  void releaseMemory();
106 
107  // SURF parameters
109  int nOctaves;
111  bool extended;
112  bool upright;
113 
116 
117  GpuMat sum, mask1, maskSum, intBuffer;
118 
119  GpuMat det, trace;
120 
122 };
123 
124 } // namespace gpu
125 
126 } // namespace cv
127 
128 #endif // __OPENCV_NONFREE_GPU_HPP__
bool upright
Definition: gpu.hpp:112
int nOctaveLayers
Definition: gpu.hpp:110
Definition: gpu.hpp:56
bool extended
Definition: gpu.hpp:111
Definition: gpu.hpp:50
double hessianThreshold
Definition: gpu.hpp:108
GLint GLvoid * img
Definition: legacy.hpp:1150
GpuMat sum
Definition: gpu.hpp:117
const CvArr CvSeq ** keypoints
Definition: compat.hpp:647
GpuMat maxPosBuffer
Definition: gpu.hpp:121
Definition: gpu.hpp:60
Smart pointer for GPU memory with reference counting. Its interface is mostly similar with cv::Mat...
Definition: gpumat.hpp:154
Definition: gpu.hpp:59
Definition: gpu.hpp:57
const CvArr CvSeq CvSeq ** descriptors
Definition: compat.hpp:647
Definition: gpu.hpp:58
KeypointLayout
Definition: gpu.hpp:53
float keypointsRatio
max keypoints = min(keypointsRatio * img.size().area(), 65535)
Definition: gpu.hpp:115
Definition: gpu.hpp:61
GpuMat trace
Definition: gpu.hpp:119
GLenum GLint GLuint mask
Definition: tracking.hpp:132
GLclampf f
int nOctaves
Definition: gpu.hpp:109