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Research map / Learning theory and algorithms / Clustering

Clustering Ensemble Meets Low-rank Tensor Approximation

AAAI 2021 · Learning theory and algorithms › Clustering · approach: Subspace clustering · 38 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Refine the co-association matrix using low-rank tensor approximation and spectral clusteringClustering ensemble · BinAlphaACC: 0.454 to 0.858Helped
Refine the co-association matrix using low-rank tensor approximation and spectral clusteringClustering ensemble · MFACC: 0.671 to 0.990Helped
Refine the co-association matrix using low-rank tensor approximation and spectral clusteringClustering ensemble · MNISTACC: 0.663 to 0.977Helped
Refine the co-association matrix using low-rank tensor approximation and spectral clusteringClustering ensemble · SemeionACC: 0.739 to 0.983Helped
Use hierarchical clustering instead of the proposed method's spectral clusteringLow-rank tensor approximation clustering ensemble · CalTech20ACC: 0.495 to 0.726 (Ours-EA); 0.495 to 0.418 (Ours-SC)Mixed
Refine the co-association matrix using low-rank tensor approximation and spectral clusteringClustering ensemble · TextureACC: 0.793 to 0.993Helped
Refine the co-association matrix using low-rank tensor approximation and spectral clusteringClustering ensemble · ISOLETACC: 0.581 to 0.675Helped
Use hierarchical clustering instead of spectral clustering on the refined co-association matrixProposed low-rank tensor approximation method · ISOLETACC: 0.675 to 0.575Hurt
Use a smaller lambda to penalize incorrect connections in the original co-association matrixProposed low-rank tensor approximation method · Seven benchmark data setsNMIHelped
Increase the number of base clusteringsProposed low-rank tensor approximation method · Seven benchmark data setsNMIHelped

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