C# Class OpenCvSharp.Flann.Index

The FLANN nearest neighbor index class.

Inheritance: DisposableCvObject

Public Methods

Method	Description
Index ( InputArray features, OpenCvSharp.Flann.IndexParams @params, FlannDistance distType = FlannDistance.L2 ) : System	Constructs a nearest neighbor search index for a given dataset.
KnnSearch ( Mat queries, Mat indices, Mat dists, int knn, OpenCvSharp.Flann.SearchParams @params ) : void	Performs a K-nearest neighbor search for multiple query points.
KnnSearch ( Mat queries, int &indices, float &dists, int knn, OpenCvSharp.Flann.SearchParams @params ) : void	Performs a K-nearest neighbor search for multiple query points.
KnnSearch ( float queries, int &indices, float &dists, int knn, OpenCvSharp.Flann.SearchParams @params ) : void	Performs a K-nearest neighbor search for multiple query points.
RadiusSearch ( Mat queries, Mat indices, Mat dists, float radius, int maxResults, OpenCvSharp.Flann.SearchParams @params ) : void	Performs a radius nearest neighbor search for a given query point.
RadiusSearch ( Mat queries, int indices, float dists, float radius, int maxResults, OpenCvSharp.Flann.SearchParams @params ) : void	Performs a radius nearest neighbor search for a given query point.
RadiusSearch ( float queries, int indices, float dists, float radius, int maxResults, OpenCvSharp.Flann.SearchParams @params ) : void	Performs a radius nearest neighbor search for a given query point.
Save ( string filename ) : void	Saves the index to a file.

Method	Description
Dispose ( bool disposing ) : void	Clean up any resources being used.

Clean up any resources being used.

protected Dispose ( bool disposing ) : void
disposing	bool	/// If disposing equals true, the method has been called directly or indirectly by a user's code. Managed and unmanaged resources can be disposed. /// If false, the method has been called by the runtime from inside the finalizer and you should not reference other objects. Only unmanaged resources can be disposed. ///
return	void

Constructs a nearest neighbor search index for a given dataset.

public Index ( InputArray features, OpenCvSharp.Flann.IndexParams @params, FlannDistance distType = FlannDistance.L2 ) : System
features	InputArray	features – Matrix of type CV _ 32F containing the features(points) to index. The size of the matrix is num _ features x feature _ dimensionality.
@params	OpenCvSharp.Flann.IndexParams
distType	FlannDistance
return	System

Performs a K-nearest neighbor search for multiple query points.

public KnnSearch ( Mat queries, Mat indices, Mat dists, int knn, OpenCvSharp.Flann.SearchParams @params ) : void
queries	Mat	The query points, one per row
indices	Mat	Indices of the nearest neighbors found
dists	Mat	Distances to the nearest neighbors found
knn	int	Number of nearest neighbors to search for
@params	OpenCvSharp.Flann.SearchParams
return	void

Performs a K-nearest neighbor search for multiple query points.

public KnnSearch ( Mat queries, int &indices, float &dists, int knn, OpenCvSharp.Flann.SearchParams @params ) : void
queries	Mat	The query points, one per row
indices	int	Indices of the nearest neighbors found
dists	float	Distances to the nearest neighbors found
knn	int	Number of nearest neighbors to search for
@params	OpenCvSharp.Flann.SearchParams
return	void

Performs a K-nearest neighbor search for multiple query points.

public KnnSearch ( float queries, int &indices, float &dists, int knn, OpenCvSharp.Flann.SearchParams @params ) : void
queries	float	The query points, one per row
indices	int	Indices of the nearest neighbors found
dists	float	Distances to the nearest neighbors found
knn	int	Number of nearest neighbors to search for
@params	OpenCvSharp.Flann.SearchParams
return	void

Performs a radius nearest neighbor search for a given query point.

public RadiusSearch ( Mat queries, Mat indices, Mat dists, float radius, int maxResults, OpenCvSharp.Flann.SearchParams @params ) : void
queries	Mat	The query point
indices	Mat	Indices of the nearest neighbors found
dists	Mat	Distances to the nearest neighbors found
radius	float	Number of nearest neighbors to search for
maxResults	int
@params	OpenCvSharp.Flann.SearchParams
return	void

Performs a radius nearest neighbor search for a given query point.

public RadiusSearch ( Mat queries, int indices, float dists, float radius, int maxResults, OpenCvSharp.Flann.SearchParams @params ) : void
queries	Mat	The query point
indices	int	Indices of the nearest neighbors found
dists	float	Distances to the nearest neighbors found
radius	float	Number of nearest neighbors to search for
maxResults	int
@params	OpenCvSharp.Flann.SearchParams
return	void

Performs a radius nearest neighbor search for a given query point.

public RadiusSearch ( float queries, int indices, float dists, float radius, int maxResults, OpenCvSharp.Flann.SearchParams @params ) : void
queries	float	The query point
indices	int	Indices of the nearest neighbors found
dists	float	Distances to the nearest neighbors found
radius	float	Number of nearest neighbors to search for
maxResults	int
@params	OpenCvSharp.Flann.SearchParams
return	void

Saves the index to a file.

public Save ( string filename ) : void
filename	string	The file to save the index to
return	void