activity
20082025
most citedUnsupervised Learning of Visual Features by Contrasting Cluster Assignments

2k citations · 6.6k across the 78 of their papers we have counts for

collaborators

86 papers

cs.CV2025★ 31 cited

DINOv3

Oriane Siméoni, Huy V. Vo, Maximilian Seitzer +23

Self-supervised learning holds the promise of eliminating the need for manual data annotation, enabling models to scale effortlessly to massive datasets and larger architectures. B…

cs.CV2025

Cluster and Predict Latent Patches for Improved Masked Image Modeling

Timothée Darcet, Federico Baldassarre, Maxime Oquab +2

Masked Image Modeling (MIM) offers a promising approach to self-supervised representation learning, however existing MIM models still lag behind the state-of-the-art. In this paper…

astro-ph.IM2024

Combining statistical learning with deep learning for improved exoplanet detection and characterization

Olivier Flasseur, Théo Bodrito, Julien Mairal +3

In direct imaging at high contrast, the bright glare produced by the host star makes the detection and the characterization of sub-stellar companions particularly challenging. In s…

stat.ML2024

Functional Bilevel Optimization for Machine Learning

Ieva Petrulionyte, Julien Mairal, Michael Arbel

In this paper, we introduce a new functional point of view on bilevel optimization problems for machine learning, where the inner objective is minimized over a function space. Thes…

cs.CV2023

Fine Dense Alignment of Image Bursts through Camera Pose and Depth Estimation

Bruno Lecouat, Yann Dubois de Mont-Marin, Théo Bodrito +2

This paper introduces a novel approach to the fine alignment of images in a burst captured by a handheld camera. In contrast to traditional techniques that estimate two-dimensional…

cs.CV2023

Towards Real-World Focus Stacking with Deep Learning

Alexandre Araujo, Jean Ponce, Julien Mairal

Focus stacking is widely used in micro, macro, and landscape photography to reconstruct all-in-focus images from multiple frames obtained with focus bracketing, that is, with shall…

cs.CV2023★ 54 cited

Vision Transformers Need Registers

Timothée Darcet, Maxime Oquab, Julien Mairal +1

Transformers have recently emerged as a powerful tool for learning visual representations. In this paper, we identify and characterize artifacts in feature maps of both supervised…

cs.CV2023★ 9 cited

SUnAA: Sparse Unmixing using Archetypal Analysis

Behnood Rasti, Alexandre Zouaoui, Julien Mairal +1

This paper introduces a new sparse unmixing technique using archetypal analysis (SUnAA). First, we design a new model based on archetypal analysis. We assume that the endmembers of…

eess.IV2023★ 52 cited

Image Processing and Machine Learning for Hyperspectral Unmixing: An Overview and the HySUPP Python Package

Behnood Rasti, Alexandre Zouaoui, Julien Mairal +1

Spectral pixels are often a mixture of the pure spectra of the materials, called endmembers, due to the low spatial resolution of hyperspectral sensors, double scattering, and inti…

astro-ph.IM2023

Combining multi-spectral data with statistical and deep-learning models for improved exoplanet detection in direct imaging at high contrast

Olivier Flasseur, Théo Bodrito, Julien Mairal +3

Exoplanet detection by direct imaging is a difficult task: the faint signals from the objects of interest are buried under a spatially structured nuisance component induced by the…

cs.CV2023

SLACK: Stable Learning of Augmentations with Cold-start and KL regularization

Juliette Marrie, Michael Arbel, Diane Larlus +1

Data augmentation is known to improve the generalization capabilities of neural networks, provided that the set of transformations is chosen with care, a selection often performed…

cs.CV2023

Semi-supervised learning made simple with self-supervised clustering

Enrico Fini, Pietro Astolfi, Karteek Alahari +4

Self-supervised learning models have been shown to learn rich visual representations without requiring human annotations. However, in many real-world scenarios, labels are partiall…

math.OC2023

GloptiNets: Scalable Non-Convex Optimization with Certificates

Gaspard Beugnot, Julien Mairal, Alessandro Rudi

We present a novel approach to non-convex optimization with certificates, which handles smooth functions on the hypercube or on the torus. Unlike traditional methods that rely on a…

cs.LG2023★ 2 cited

Self-Attention in Colors: Another Take on Encoding Graph Structure in Transformers

Romain Menegaux, Emmanuel Jehanno, Margot Selosse +1

We introduce a novel self-attention mechanism, which we call CSA (Chromatic Self-Attention), which extends the notion of attention scores to attention _filters_, independently modu…

cs.CV2023★ 1.1k cited

DINOv2: Learning Robust Visual Features without Supervision

Maxime Oquab, Timothée Darcet, Théo Moutakanni +23

The recent breakthroughs in natural language processing for model pretraining on large quantities of data have opened the way for similar foundation models in computer vision. Thes…

astro-ph.IM2023

deep PACO: Combining statistical models with deep learning for exoplanet detection and characterization in direct imaging at high contrast

Olivier Flasseur, Théo Bodrito, Julien Mairal +3

Direct imaging is an active research topic in astronomy for the detection and the characterization of young sub-stellar objects. The very high contrast between the host star and it…

cs.LG2023

Sequential Counterfactual Risk Minimization

Houssam Zenati, Eustache Diemert, Matthieu Martin +2

Counterfactual Risk Minimization (CRM) is a framework for dealing with the logged bandit feedback problem, where the goal is to improve a logging policy using offline data. In this…

cs.RO2022

Learning Reward Functions for Robotic Manipulation by Observing Humans

Minttu Alakuijala, Gabriel Dulac-Arnold, Julien Mairal +2

Observing a human demonstrator manipulate objects provides a rich, scalable and inexpensive source of data for learning robotic policies. However, transferring skills from human vi…

eess.IV2022

Entropic Descent Archetypal Analysis for Blind Hyperspectral Unmixing

Alexandre Zouaoui, Gedeon Muhawenayo, Behnood Rasti +2

In this paper, we introduce a new algorithm based on archetypal analysis for blind hyperspectral unmixing, assuming linear mixing of endmembers. Archetypal analysis is a natural fo…

cs.CV2022

High Dynamic Range and Super-Resolution from Raw Image Bursts

Bruno Lecouat, Thomas Eboli, Jean Ponce +1

Photographs captured by smartphones and mid-range cameras have limited spatial resolution and dynamic range, with noisy response in underexposed regions and color artefacts in satu…

math.OC2022★ 2 cited

Non-Convex Bilevel Games with Critical Point Selection Maps

Michael Arbel, Julien Mairal

Bilevel optimization problems involve two nested objectives, where an upper-level objective depends on a solution to a lower-level problem. When the latter is non-convex, multiple…

cs.CV2022

Self Supervised Learning for Few Shot Hyperspectral Image Classification

Nassim Ait Ali Braham, Lichao Mou, Jocelyn Chanussot +2

Deep learning has proven to be a very effective approach for Hyperspectral Image (HSI) classification. However, deep neural networks require large annotated datasets to generalize…

cs.LG2022

The Spectral Bias of Polynomial Neural Networks

Moulik Choraria, Leello Tadesse Dadi, Grigorios Chrysos +2

Polynomial neural networks (PNNs) have been recently shown to be particularly effective at image generation and face recognition, where high-frequency information is critical. Prev…

cs.LG2022

Efficient Kernel UCB for Contextual Bandits

Houssam Zenati, Alberto Bietti, Eustache Diemert +3

In this paper, we tackle the computational efficiency of kernelized UCB algorithms in contextual bandits. While standard methods require a O(CT^3) complexity where T is the horizon…