no code implementations • 16 Feb 2024 • Florian Le Bronnec, Alexandre Verine, Benjamin Negrevergne, Yann Chevaleyre, Alexandre Allauzen
This paper introduces a novel evaluation framework for Large Language Models (LLMs) such as Llama-2 and Mistral, focusing on the adaptation of Precision and Recall metrics from image generation to text generation.
no code implementations • 1 Nov 2023 • Alexandre Verine, Muni Sreenivas Pydi, Benjamin Negrevergne, Yann Chevaleyre
Rejection sampling methods have recently been proposed to improve the performance of discriminator-based generative models.
Ranked #14 on Image Generation on CelebA 64x64
no code implementations • 20 Jul 2023 • Lucas Gnecco Heredia, Benjamin Negrevergne, Yann Chevaleyre
However, it has been shown that existing attacks are not well suited for this kind of classifiers.
no code implementations • 1 Feb 2023 • Alexandre Verine, Benjamin Negrevergne, Muni Sreenivas Pydi, Yann Chevaleyre
Generative models can have distinct mode of failures like mode dropping and low quality samples, which cannot be captured by a single scalar metric.
no code implementations • ICML Workshop INNF 2021 • Alexandre Verine, Benjamin Negrevergne, Fabrice Rossi, Yann Chevaleyre
An invertible function is bi-Lipschitz if both the function and its inverse have bounded Lipschitz constants.
no code implementations • 4 Dec 2020 • Alexandre Araujo, Laurent Meunier, Rafael Pinot, Benjamin Negrevergne
It has been empirically observed that defense mechanisms designed to protect neural networks against $\ell_\infty$ adversarial examples offer poor performance against $\ell_2$ adversarial examples and vice versa.
2 code implementations • 15 Jun 2020 • Alexandre Araujo, Benjamin Negrevergne, Yann Chevaleyre, Jamal Atif
This paper tackles the problem of Lipschitz regularization of Convolutional Neural Networks.
no code implementations • ICLR 2019 • Alexandre Araujo, Benjamin Negrevergne, Yann Chevaleyre, Jamal Atif
Recent results from linear algebra stating that any matrix can be decomposed into products of diagonal and circulant matrices has lead to the design of compact deep neural network architectures that perform well in practice.
no code implementations • 25 Mar 2019 • Alexandre Araujo, Laurent Meunier, Rafael Pinot, Benjamin Negrevergne
This paper tackles the problem of defending a neural network against adversarial attacks crafted with different norms (in particular $\ell_\infty$ and $\ell_2$ bounded adversarial examples).
no code implementations • 29 Jan 2019 • Alexandre Araujo, Benjamin Negrevergne, Yann Chevaleyre, Jamal Atif
In this paper, we study deep diagonal circulant neural networks, that is deep neural networks in which weight matrices are the product of diagonal and circulant ones.
1 code implementation • 2 Oct 2018 • Alexandre Araujo, Benjamin Negrevergne, Yann Chevaleyre, Jamal Atif
In real world scenarios, model accuracy is hardly the only factor to consider.
1 code implementation • Proceedings of the Ninth Asian Conference on Machine Learning 2017 • Adrian Lecoutre, Benjamin Negrevergne, Florian Yger
The artistic style (or artistic movement) of a painting is a rich descriptor that captures both visual and historical information about the painting.
Ranked #1 on Artistic style classification on RASTA
no code implementations • 11 Sep 2017 • Ahmed Samet, Thomas Guyet, Benjamin Negrevergne, Tien-Tuan Dao, Tuan Nha Hoang, Marie-Christine Ho Ba Tho
In this paper, we tackle the problem of extracting frequent opinions from uncertain databases.
no code implementations • 1 Apr 2016 • Rémi Coletta, Benjamin Negrevergne
Traditional pattern mining algorithms generally suffer from a lack of flexibility.
no code implementations • 6 Jan 2015 • Benjamin Negrevergne, Tias Guns
We investigate the use of constraint programming as general framework for this task.