Search Results for author: Charles Arnal

Found 4 papers, 1 papers with code

Mode Estimation with Partial Feedback

no code implementations20 Feb 2024 Charles Arnal, Vivien Cabannes, Vianney Perchet

The combination of lightly supervised pre-training and online fine-tuning has played a key role in recent AI developments.

Active Learning

Touring sampling with pushforward maps

no code implementations23 Nov 2023 Vivien Cabannes, Charles Arnal

The number of sampling methods could be daunting for a practitioner looking to cast powerful machine learning methods to their specific problem.

MAGDiff: Covariate Data Set Shift Detection via Activation Graphs of Deep Neural Networks

1 code implementation22 May 2023 Felix Hensel, Charles Arnal, Mathieu Carrière, Théo Lacombe, Hiroaki Kurihara, Yuichi Ike, Frédéric Chazal

Despite their successful application to a variety of tasks, neural networks remain limited, like other machine learning methods, by their sensitivity to shifts in the data: their performance can be severely impacted by differences in distribution between the data on which they were trained and that on which they are deployed.

Convolution of a symmetric log-concave distribution and a symmetric bimodal distribution can have any number of modes

no code implementations18 Feb 2021 Charles Arnal

In this note, we show that the convolution of a discrete symmetric log-concave distribution and a discrete symmetric bimodal distribution can have any strictly positive number of modes.

Statistics Theory Probability Statistics Theory 62E10 (Primary) 60E05 (Secondary)

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