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Publications

Cette page présente les publications du Centre Borelli déposées sur le serveur HAL.

Affichage des publications 1211 à 1220 sur 1268 au total

General Mathematics

Sequential learning and stochastic optimization of convex functions

In this thesis we study several machine learning problems that are all linked with the minimization of a noisy function, which will often be convex.Inspired by real-life applications we focus on sequential learning problems which consist in treating…

Xavier Fontaine

Life Sciences

Posterior Fossa Arachnoid Cyst in a Pediatric Population is Associated with Social Perception and Rest Cerebral Blood Flow Abnormalities

Posterior fossa arachnoid cysts (PFAC) may produce not only neurological symptoms but also other symptoms still poorly understood such as behavioral and learning deficits, awkwardness, and difficulties in social interaction. These subtle social…

Elza Rechtman, Stephanie Puget, Ana Saitovitch, Hervé Lemaitre, Ludovic Fillion, Jean-Marc Tacchella, Jennifer Boisgontier, Marie-Laure Cuny, Nathalie Boddaert, Monica Zilbovicius

The Cerebellum -

Image Processing

A Novel Activity Detector Applied to Sentinel-1 for Surveillance

Change detection is the challenging process of identifying meaningful changes on an image sequence. In this work, we propose a new change detector for SAR images. We show that by controlling the a priori number of false alarms, one can detect events…

Axel Davy, Max Dunitz

39th IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2019) -

Fluid mechanics

Analysis of aortic pressure fields from 4D flow MRI in healthy volunteers: Associations with age and left ventricular remodeling

Background: Aging-related arterial stiffness is associated with substantial changes in global and local arterial pressures. The subsequent early return of reflected pressure waves leads to an elevated left ventricular (LV) afterload and ultimately…

Kevin Bouaou, Ioannis Bargiotas, Thomas Dietenbeck, Emilie Bollache, Gilles Soulat, Damian Craiem, Sophia Houriez-Gombaud-Saintonge, Alain de Cesare, Umit Genser, Alain Giron, Alban Redheuil, Emmanuel Messas, Didier Lucor, Elie Mousseaux, Nadjia Kachenoura

Journal of Magnetic Resonance Imaging -

Mathematics

Interpolating between Optimal Transport and MMD using Sinkhorn Divergences

Comparing probability distributions is a fundamental problem in data sciences. Simple norms and divergences such as the total variation and the relative entropy only compare densities in a point-wise manner and fail to capture the geometric nature…

Jean Feydy, Thibault Séjourné, François-Xavier Vialard, Shun-Ichi Amari, Alain Trouvé, Gabriel Peyré

AISTATS -

Statistics

Categorized Bandits

We introduce a new stochastic multi-armed bandit setting where arms are grouped inside ``ordered'' categories. The motivating example comes from e-commerce, where a customer typically has a greater appetence for items of a specific well-identified…

Matthieu Jedor, Jonathan Louëdec, Vianney Perchet

Advances in Neural Information Processing Systems -