opencv/modules/flann/include/opencv2/flann/miniflann.hpp
Vadim Pisarevsky 1e6479224a fixed bug #1331
2011-10-05 01:20:52 +00:00

157 lines
5.7 KiB
C++

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#ifndef _OPENCV_MINIFLANN_HPP_
#define _OPENCV_MINIFLANN_HPP_
#ifdef __cplusplus
#include "opencv2/core/core.hpp"
#include "opencv2/flann/defines.h"
namespace cv
{
namespace flann
{
struct CV_EXPORTS IndexParams
{
IndexParams();
~IndexParams();
std::string getString(const std::string& key, const std::string& defaultVal=std::string()) const;
int getInt(const std::string& key, int defaultVal=-1) const;
double getDouble(const std::string& key, double defaultVal=-1) const;
void setString(const std::string& key, const std::string& value);
void setInt(const std::string& key, int value);
void setDouble(const std::string& key, double value);
void setFloat(const std::string& key, float value);
void setBool(const std::string& key, bool value);
void setAlgorithm(int value);
void getAll(std::vector<std::string>& names,
std::vector<int>& types,
std::vector<std::string>& strValues,
std::vector<double>& numValues) const;
void* params;
};
struct CV_EXPORTS KDTreeIndexParams : public IndexParams
{
KDTreeIndexParams(int trees=4);
};
struct CV_EXPORTS LinearIndexParams : public IndexParams
{
LinearIndexParams();
};
struct CV_EXPORTS CompositeIndexParams : public IndexParams
{
CompositeIndexParams(int trees = 4, int branching = 32, int iterations = 11,
cvflann::flann_centers_init_t centers_init = cvflann::FLANN_CENTERS_RANDOM, float cb_index = 0.2 );
};
struct CV_EXPORTS AutotunedIndexParams : public IndexParams
{
AutotunedIndexParams(float target_precision = 0.8, float build_weight = 0.01,
float memory_weight = 0, float sample_fraction = 0.1);
};
struct CV_EXPORTS KMeansIndexParams : public IndexParams
{
KMeansIndexParams(int branching = 32, int iterations = 11,
cvflann::flann_centers_init_t centers_init = cvflann::FLANN_CENTERS_RANDOM, float cb_index = 0.2 );
};
struct CV_EXPORTS LshIndexParams : public IndexParams
{
LshIndexParams(int table_number, int key_size, int multi_probe_level);
};
struct CV_EXPORTS SavedIndexParams : public IndexParams
{
SavedIndexParams(const std::string& filename);
};
struct CV_EXPORTS SearchParams : public IndexParams
{
SearchParams( int checks = 32, float eps = 0, bool sorted = true );
};
class CV_EXPORTS_W Index
{
public:
CV_WRAP Index();
CV_WRAP Index(InputArray features, const IndexParams& params, cvflann::flann_distance_t distType=cvflann::FLANN_DIST_L2);
virtual ~Index();
CV_WRAP virtual void build(InputArray features, const IndexParams& params, cvflann::flann_distance_t distType=cvflann::FLANN_DIST_L2);
CV_WRAP virtual void knnSearch(InputArray query, OutputArray indices,
OutputArray dists, int knn, const SearchParams& params=SearchParams());
CV_WRAP virtual int radiusSearch(InputArray query, OutputArray indices,
OutputArray dists, double radius, int maxResults,
const SearchParams& params=SearchParams());
CV_WRAP virtual void save(const std::string& filename) const;
CV_WRAP virtual bool load(InputArray features, const std::string& filename);
CV_WRAP virtual void release();
CV_WRAP cvflann::flann_distance_t getDistance() const;
CV_WRAP cvflann::flann_algorithm_t getAlgorithm() const;
protected:
cvflann::flann_distance_t distType;
cvflann::flann_algorithm_t algo;
int featureType;
void* index;
};
} } // namespace cv::flann
#endif // __cplusplus
#endif