Package elki.data.projection.random
Class CauchyRandomProjectionFamily
- java.lang.Object
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- elki.data.projection.random.AbstractRandomProjectionFamily
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- elki.data.projection.random.CauchyRandomProjectionFamily
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- All Implemented Interfaces:
RandomProjectionFamily
@Reference(authors="M. Datar, N. Immorlica, P. Indyk, V. S. Mirrokni", title="Locality-sensitive hashing scheme based on p-stable distributions", booktitle="Proc. 20th Annual Symposium on Computational Geometry", url="https://doi.org/10.1145/997817.997857", bibkey="DBLP:conf/compgeom/DatarIIM04") public class CauchyRandomProjectionFamily extends AbstractRandomProjectionFamily
Random projections using Cauchy distributions (1-stable).Reference:
M. Datar, N. Immorlica, P. Indyk, V. S. Mirrokni
Locality-sensitive hashing scheme based on p-stable distributions.
Proc. 20th Annual Symposium on Computational Geometry- Since:
- 0.6.0
- Author:
- Erich Schubert
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Nested Class Summary
Nested Classes Modifier and Type Class Description static class
CauchyRandomProjectionFamily.Par
Parameterization class.-
Nested classes/interfaces inherited from class elki.data.projection.random.AbstractRandomProjectionFamily
AbstractRandomProjectionFamily.MatrixProjection
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Nested classes/interfaces inherited from interface elki.data.projection.random.RandomProjectionFamily
RandomProjectionFamily.Projection
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Field Summary
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Fields inherited from class elki.data.projection.random.AbstractRandomProjectionFamily
random
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Constructor Summary
Constructors Constructor Description CauchyRandomProjectionFamily(RandomFactory random)
Constructor.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description RandomProjectionFamily.Projection
generateProjection(int idim, int odim)
Generate a projection matrix for the given dimensionalities.
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Constructor Detail
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CauchyRandomProjectionFamily
public CauchyRandomProjectionFamily(RandomFactory random)
Constructor.- Parameters:
random
- Random number generator.
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Method Detail
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generateProjection
public RandomProjectionFamily.Projection generateProjection(int idim, int odim)
Description copied from interface:RandomProjectionFamily
Generate a projection matrix for the given dimensionalities.- Parameters:
idim
- Input Dimensionalityodim
- Output Dimensionality- Returns:
- Projection matrix
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