Search Results for author: Clément Marteau

Found 4 papers, 1 papers with code

FastPart: Over-Parameterized Stochastic Gradient Descent for Sparse optimisation on Measures

no code implementations10 Dec 2023 Yohann de Castro, Sébastien Gadat, Clément Marteau

This paper presents a novel algorithm that leverages Stochastic Gradient Descent strategies in conjunction with Random Features to augment the scalability of Conic Particle Gradient Descent (CPGD) specifically tailored for solving sparse optimisation problems on measures.

Mathematical Proofs

SuperMix: Sparse Regularization for Mixtures

no code implementations23 Jul 2019 Yohann de Castro, Sébastien Gadat, Clément Marteau, Cathy Maugis

This paper investigates the statistical estimation of a discrete mixing measure $\mu$0 involved in a kernel mixture model.

Classification with the nearest neighbor rule in general finite dimensional spaces: necessary and sufficient conditions

no code implementations4 Nov 2014 Sébastien Gadat, Thierry Klein, Clément Marteau

Given an $n$-sample of random vectors $(X_i, Y_i)_{1 \leq i \leq n}$ whose joint law is unknown, the long-standing problem of supervised classification aims to \textit{optimally} predict the label $Y$ of a given a new observation $X$.

General Classification

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