Search Results for author: Paris V. Giampouras

Found 6 papers, 1 papers with code

The Ideal Continual Learner: An Agent That Never Forgets

1 code implementation29 Apr 2023 Liangzu Peng, Paris V. Giampouras, René Vidal

We show that ICL unifies multiple well-established continual learning methods and gives new theoretical insights into the strengths and weaknesses of these methods.

Continual Learning Generalization Bounds

Block-Term Tensor Decomposition Model Selection and Computation: The Bayesian Way

no code implementations8 Jan 2021 Paris V. Giampouras, Athanasios A. Rontogiannis, Eleftherios Kofidis

The so-called block-term decomposition (BTD) tensor model, especially in its rank-$(L_r, L_r, 1)$ version, has been recently receiving increasing attention due to its enhanced ability of representing systems and signals that are composed of \emph{blocks} of rank higher than one, a scenario encountered in numerous and diverse applications.

Model Selection Tensor Decomposition +1

Alternating Iteratively Reweighted Minimization Algorithms for Low-Rank Matrix Factorization

no code implementations5 Oct 2017 Paris V. Giampouras, Athanasios A. Rontogiannis, Konstantinos D. Koutroumbas

Nowadays, the availability of large-scale data in disparate application domains urges the deployment of sophisticated tools for extracting valuable knowledge out of this huge bulk of information.

Denoising Matrix Completion

Online Low-Rank Subspace Learning from Incomplete Data: A Bayesian View

no code implementations11 Feb 2016 Paris V. Giampouras, Athanasios A. Rontogiannis, Konstantinos E. Themelis, Konstantinos D. Koutroumbas

Extracting the underlying low-dimensional space where high-dimensional signals often reside has long been at the center of numerous algorithms in the signal processing and machine learning literature during the past few decades.

Dictionary Learning

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