activity
20212026
most citedU-Net Transformer: Self and Cross Attention for Medical Image Segmentation

18 citations · 31 across the 16 of their papers we have counts for

collaborators

18 papers

cs.LG2026

TSPFN: A Temporal Tabular Foundation Model for Physiological Time Series Classification

Jérémie Stym-Popper, Clément Rambour, Federica Granese +2

Designing models that generalize effectively in low- to medium-data regimes remains a primary challenge in medical machine learning, particularly for physiological time-series clas…

math.CO2026

Fast SDP certification of neural networks : towards large multi-class datasets

Margot Boyer, Clément Rambour, Zacharie Alès +1

We present a new quadratic model for the certification problem in adversarial robustness, which simultaneously accounts for all possible target classes. Building on this model, we…

cs.CV2025

DAFTED: Decoupled Asymmetric Fusion of Tabular and Echocardiographic Data for Cardiac Hypertension Diagnosis

Jérémie Stym-Popper, Nathan Painchaud, Clément Rambour +3

Multimodal data fusion is a key approach for enhancing diagnosis in medical applications. We propose an asymmetric fusion strategy starting from a primary modality and integrating…

cs.LG2025

RT-HCP: Dealing with Inference Delays and Sample Efficiency to Learn Directly on Robotic Platforms

Zakariae El Asri, Ibrahim Laiche, Clément Rambour +2

Learning a controller directly on the robot requires extreme sample efficiency. Model-based reinforcement learning (RL) methods are the most sample efficient, but they often suffer…

cs.CV2025

CLIPTTA: Robust Contrastive Vision-Language Test-Time Adaptation

Marc Lafon, Gustavo Adolfo Vargas Hakim, Clément Rambour +2

Vision-language models (VLMs) like CLIP exhibit strong zero-shot capabilities but often fail to generalize under distribution shifts. Test-time adaptation (TTA) allows models to up…

cs.CV2025

ViLU: Learning Vision-Language Uncertainties for Failure Prediction

Marc Lafon, Yannis Karmim, Julio Silva-Rodríguez +6

Reliable Uncertainty Quantification (UQ) and failure prediction remain open challenges for Vision-Language Models (VLMs). We introduce ViLU, a new Vision-Language Uncertainty quant…

cs.CV2024

GalLoP: Learning Global and Local Prompts for Vision-Language Models

Marc Lafon, Elias Ramzi, Clément Rambour +2

Prompt learning has been widely adopted to efficiently adapt vision-language models (VLMs), e.g. CLIP, for few-shot image classification. Despite their success, most prompt learnin…

cs.CV2024

Energy Correction Model in the Feature Space for Out-of-Distribution Detection

Marc Lafon, Clément Rambour, Nicolas Thome

In this work, we study the out-of-distribution (OOD) detection problem through the use of the feature space of a pre-trained deep classifier. We show that learning the density of i…

cs.CV2023★ 1 cited

Optimization of Rank Losses for Image Retrieval

Elias Ramzi, Nicolas Audebert, Clément Rambour +3

In image retrieval, standard evaluation metrics rely on score ranking, \eg average precision (AP), recall at k (R@k), normalized discounted cumulative gain (NDCG). In this work we…

cs.CV2023

Leveraging Vision-Language Foundation Models for Fine-Grained Downstream Tasks

Denis Coquenet, Clément Rambour, Emanuele Dalsasso +1

Vision-language foundation models such as CLIP have shown impressive zero-shot performance on many tasks and datasets, especially thanks to their free-text inputs. However, they st…

cs.CV2023★ 3 cited

VidEdit: Zero-Shot and Spatially Aware Text-Driven Video Editing

Paul Couairon, Clément Rambour, Jean-Emmanuel Haugeard +1

Recently, diffusion-based generative models have achieved remarkable success for image generation and edition. However, existing diffusion-based video editing approaches lack the a…

cs.CV2023★ 1 cited

Hybrid Energy Based Model in the Feature Space for Out-of-Distribution Detection

Marc Lafon, Elias Ramzi, Clément Rambour +1

Out-of-distribution (OOD) detection is a critical requirement for the deployment of deep neural networks. This paper introduces the HEAT model, a new post-hoc OOD detection method…

cs.CV2022

Full Contextual Attention for Multi-resolution Transformers in Semantic Segmentation

Loic Themyr, Clement Rambour, Nicolas Thome +2

Transformers have proved to be very effective for visual recognition tasks. In particular, vision transformers construct compressed global representations through self-attention an…

cs.CV2022

Memory transformers for full context and high-resolution 3D Medical Segmentation

Loic Themyr, Clément Rambour, Nicolas Thome +2

Transformer models achieve state-of-the-art results for image segmentation. However, achieving long-range attention, necessary to capture global context, with high-resolution 3D im…

cs.CV2022

Hierarchical Average Precision Training for Pertinent Image Retrieval

Elias Ramzi, Nicolas Audebert, Nicolas Thome +2

Image Retrieval is commonly evaluated with Average Precision (AP) or Recall@k. Yet, those metrics, are limited to binary labels and do not take into account errors' severity. This…

cs.CV2022

Complementing Brightness Constancy with Deep Networks for Optical Flow Prediction

Vincent Le Guen, Clément Rambour, Nicolas Thome

State-of-the-art methods for optical flow estimation rely on deep learning, which require complex sequential training schemes to reach optimal performances on real-world data. In t…

cs.LG2021★ 8 cited

Robust and Decomposable Average Precision for Image Retrieval

Elias Ramzi, Nicolas Thome, Clément Rambour +2

In image retrieval, standard evaluation metrics rely on score ranking, e.g. average precision (AP). In this paper, we introduce a method for robust and decomposable average precisi…

eess.IV2021★ 18 cited

U-Net Transformer: Self and Cross Attention for Medical Image Segmentation

Olivier Petit, Nicolas Thome, Clément Rambour +1

Medical image segmentation remains particularly challenging for complex and low-contrast anatomical structures. In this paper, we introduce the U-Transformer network, which combine…