Search Results for author: Florent Chatelain

Found 3 papers, 1 papers with code

Asymptotic Gaussian Fluctuations of Eigenvectors in Spectral Clustering

no code implementations19 Feb 2024 Hugo Lebeau, Florent Chatelain, Romain Couillet

The performance of spectral clustering relies on the fluctuations of the entries of the eigenvectors of a similarity matrix, which has been left uncharacterized until now.

Clustering

A Random Matrix Approach to Low-Multilinear-Rank Tensor Approximation

no code implementations5 Feb 2024 Hugo Lebeau, Florent Chatelain, Romain Couillet

This work presents a comprehensive understanding of the estimation of a planted low-rank signal from a general spiked tensor model near the computational threshold.

Two-way kernel matrix puncturing: towards resource-efficient PCA and spectral clustering

1 code implementation24 Feb 2021 Romain Couillet, Florent Chatelain, Nicolas Le Bihan

The article introduces an elementary cost and storage reduction method for spectral clustering and principal component analysis.

Clustering

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