org.openimaj.ml.clustering.spectral

Class CachedDoubleSpectralClustering

java.lang.Object

org.openimaj.ml.clustering.spectral.DoubleSpectralClustering

org.openimaj.ml.clustering.spectral.CachedDoubleSpectralClustering

All Implemented Interfaces:

Clusterer<SparseMatrix>, DataClusterer<SparseMatrix,SpectralIndexedClusters>, SimilarityClusterer<SpectralIndexedClusters>, SparseMatrixClusterer<SpectralIndexedClusters>

public class CachedDoubleSpectralClustering
extends DoubleSpectralClustering

DoubleSpectralClustering extention which knows how to write and read its eigenvectors to disk and therefore not regenerate them when calling the underlying PreparedSpectralClustering

Author:

Sina Samangooei (ss@ecs.soton.ac.uk)

Field Summary

Fields inherited from class org.openimaj.ml.clustering.spectral.DoubleSpectralClustering

conf

Constructor Summary

Constructors

Constructor and Description
CachedDoubleSpectralClustering(File cache, SpectralClusteringConf<double[]> conf)

Method Summary

Modifier and Type	Method and Description
protected Eigenvalues	spectralCluster(SparseMatrix data)

Methods inherited from class org.openimaj.ml.clustering.spectral.DoubleSpectralClustering

cluster, clusterSimilarity, laplacian, laplacianEigenVectors, performClustering, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

CachedDoubleSpectralClustering

public CachedDoubleSpectralClustering(File cache,
                                      SpectralClusteringConf<double[]> conf)

Parameters:

cache - location to cache the eigenvectors

conf - cluster the eigen vectors

Method Detail

spectralCluster

protected Eigenvalues spectralCluster(SparseMatrix data)

Overrides:

spectralCluster in class DoubleSpectralClustering