{"id":2416,"date":"2022-02-19T08:46:29","date_gmt":"2022-02-19T07:46:29","guid":{"rendered":"http:\/\/gretsi.fr\/colloque2022\/?p=2416"},"modified":"2022-06-14T08:55:20","modified_gmt":"2022-06-14T06:55:20","slug":"les-conferences-plenieres","status":"publish","type":"post","link":"https:\/\/gretsi.fr\/colloque2022\/les-conferences-plenieres\/","title":{"rendered":"Les Conf\u00e9rences pl\u00e9ni\u00e8res"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"2416\" class=\"elementor elementor-2416\" data-elementor-settings=\"[]\">\n\t\t\t\t\t\t<div class=\"elementor-inner\">\n\t\t\t\t\t\t\t<div class=\"elementor-section-wrap\">\n\t\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-b5fb0ec elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b5fb0ec\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-211dd39\" data-id=\"211dd39\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3b23e95 elementor-widget elementor-widget-heading\" data-id=\"3b23e95\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Les Conf\u00e9rences pl\u00e9ni\u00e8res invit\u00e9es<\/h1>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e342adf elementor-widget elementor-widget-text-editor\" data-id=\"e342adf\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t\t<p>Le Colloque GRETSI&rsquo;22 sera honor\u00e9 par les interventions en session pl\u00e9ni\u00e8re de plusieurs personnalit\u00e9s scientifiques de renomm\u00e9e internationale.<\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-25ca97f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"25ca97f\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-df791af\" data-id=\"df791af\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b30bf60 elementor-view-default elementor-widget elementor-widget-icon\" data-id=\"b30bf60\" data-element_type=\"widget\" data-widget_type=\"icon.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-icon-wrapper\">\n\t\t\t<div class=\"elementor-icon\">\n\t\t\t<i aria-hidden=\"true\" class=\"fas fa-microphone\"><\/i>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cec5962 elementor-widget elementor-widget-heading\" data-id=\"cec5962\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Francisco <span class=\"highlight\">Chinesta<\/span> (Professeur ENSAM)<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a05155d elementor-widget elementor-widget-text-editor\" data-id=\"a05155d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t\t<a href=\"https:\/\/www.cnrs.fr\/fr\/personne\/francisco-chinesta\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-2454\" src=\"http:\/\/gretsi.fr\/colloque2022\/wp-content\/uploads\/2021\/12\/url.png\" alt=\"\" width=\"20\" height=\"20\" \/>\u00a0https:\/\/www.cnrs.fr\/fr\/personne\/francisco-chinesta<\/a>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-b09c01b elementor-section-content-top elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b09c01b\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-66 elementor-inner-column elementor-element elementor-element-1e74a87\" data-id=\"1e74a87\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d51c78d elementor-widget elementor-widget-accordion\" data-id=\"d51c78d\" data-element_type=\"widget\" data-widget_type=\"accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-accordion\" role=\"tablist\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-2231\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"tab\" aria-controls=\"elementor-tab-content-2231\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" href=\"\">R\u00e9sum\u00e9<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2231\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-2231\"><p class=\"lead\"><strong>Empowering data-informed engineering from smarter data, sensing and hybrid modelling<\/strong><\/p><p>The massive use of data in engineering applications, involving autonomous systems in general and mobility in particular, implies the massive deployment of data-acquisition, data mining and machine learning. However, in engineering applications too many data become counterproductive, because the cost of collection (including the sensors price), the cost of data-transfer, data-treatment, \u2026 mainly when real-time decision making is expected in critical systems.<\/p><p>This presentation will focus on a more frugal data-informed engineering, conciliating few data with efficiency without degrading accuracy. Thus, smarter data (by answering the three main questions: what data, where and when), smartly treated (deployed into sensors and actuators) combined with smarter modeling (physics-informed and augmented learnings), \u2026 becomes major protagonists of a next frugal but always efficient engineering.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-2232\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"tab\" aria-controls=\"elementor-tab-content-2232\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" href=\"\">Biographie<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2232\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-2232\"><p>Francisco Chinesta est actuellement Professeur titulaire de physique computationnelle \u00e0 l&rsquo;ENSAM (Paris, France), membre honoraire de l&rsquo;Institut Universitaire de France &#8211; IUF- et membre de l&rsquo;Acad\u00e9mie royale espagnole d&rsquo;ing\u00e9nierie.<\/p><p>Il est pr\u00e9sident du comit\u00e9 scientifique d&rsquo;ESI et directeur de son d\u00e9partement scientifique. Il a \u00e9t\u00e9 (2008-2012) professeur titulaire de la chaire AIRBUS et depuis 2013, il est professeur titulaire de la chaire ESI sur la mod\u00e9lisation et la simulation avanc\u00e9es des mat\u00e9riaux, structures, processus et syst\u00e8mes. Il a re\u00e7u de nombreux prix scientifiques (parmi lesquels le prix IACM Fellow, le prix IACM Zienkiewicz, le prix ESAFORM, &#8230;).<\/p><p>Ses principales recherches portent sur le d\u00e9veloppement de technologies de r\u00e9duction de l&rsquo;ordre des mod\u00e8les et d&rsquo;intelligence artificielle. Il est l&rsquo;auteur de plus de 350 articles dans des revues internationales \u00e0 comit\u00e9 de lecture et de plus de 900 contributions \u00e0 des conf\u00e9rences.<\/p><p>Il a \u00e9t\u00e9 pr\u00e9sident de l&rsquo;association fran\u00e7aise de m\u00e9canique computationnelle (CSMA) et est directeur du groupe de recherche du CNRS (GdR) sur les techniques de r\u00e9duction de l&rsquo;ordre des mod\u00e8les en sciences de l&rsquo;ing\u00e9nieur, \u00e9diteur et \u00e9diteur associ\u00e9 de nombreuses revues. Il a re\u00e7u de nombreuses distinctions, parmi lesquelles les palmes acad\u00e9miques, l&rsquo;ordre du m\u00e9rite fran\u00e7ais, &#8230; en 2018 le doctorat Honoris Causa \u00e0 l&rsquo;Universit\u00e9 de Saragosse (Espagne) et en 2019 la m\u00e9daille d&rsquo;argent du CNRS fran\u00e7ais. Il est actuellement le directeur du programme de recherche CNRS@CREATE &#8211; NRF sur la mod\u00e9lisation intelligente pour la prise de d\u00e9cision dans les syst\u00e8mes urbains critiques (35 M\u20ac et plus de 160 chercheurs impliqu\u00e9s).<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-109ca7c\" data-id=\"109ca7c\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9830069 elementor-widget elementor-widget-image\" data-id=\"9830069\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-image\">\n\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img width=\"350\" height=\"450\" src=\"https:\/\/gretsi.fr\/colloque2022\/wp-content\/uploads\/2021\/12\/Franceso-Chinesta.png\" class=\"attachment-large size-large\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/gretsi.fr\/colloque2022\/wp-content\/uploads\/2021\/12\/Franceso-Chinesta.png 350w, https:\/\/gretsi.fr\/colloque2022\/wp-content\/uploads\/2021\/12\/Franceso-Chinesta-233x300.png 233w\" sizes=\"(max-width: 350px) 100vw, 350px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">\u00a9Dorian Chassagne<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-949e368 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"949e368\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6e15a23\" data-id=\"6e15a23\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-35309cd elementor-view-default elementor-widget elementor-widget-icon\" data-id=\"35309cd\" data-element_type=\"widget\" data-widget_type=\"icon.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-icon-wrapper\">\n\t\t\t<div class=\"elementor-icon\">\n\t\t\t<i aria-hidden=\"true\" class=\"fas fa-microphone\"><\/i>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8e6c5e2 elementor-widget elementor-widget-heading\" data-id=\"8e6c5e2\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Lenka <span class=\"highlight\">Zdeborova<\/span> (Professeur EPFL)<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e84916c elementor-widget elementor-widget-text-editor\" data-id=\"e84916c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t\t<a href=\"https:\/\/people.epfl.ch\/lenka.zdeborova\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-2454\" src=\"http:\/\/gretsi.fr\/colloque2022\/wp-content\/uploads\/2021\/12\/url.png\" alt=\"\" width=\"20\" height=\"20\" \/>\u00a0https:\/\/people.epfl.ch\/lenka.zdeborova<\/a>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-bd5d0d1 elementor-section-content-top elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"bd5d0d1\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-079e54e\" data-id=\"079e54e\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0dc0a8c elementor-widget elementor-widget-image\" data-id=\"0dc0a8c\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-image\">\n\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img width=\"683\" height=\"1024\" src=\"https:\/\/gretsi.fr\/colloque2022\/wp-content\/uploads\/2021\/12\/1280px-EPFL_2020_Lenka_Zdeborova_Portrait-683x1024.jpg\" class=\"attachment-large size-large\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/gretsi.fr\/colloque2022\/wp-content\/uploads\/2021\/12\/1280px-EPFL_2020_Lenka_Zdeborova_Portrait-683x1024.jpg 683w, https:\/\/gretsi.fr\/colloque2022\/wp-content\/uploads\/2021\/12\/1280px-EPFL_2020_Lenka_Zdeborova_Portrait-200x300.jpg 200w, https:\/\/gretsi.fr\/colloque2022\/wp-content\/uploads\/2021\/12\/1280px-EPFL_2020_Lenka_Zdeborova_Portrait-768x1152.jpg 768w, https:\/\/gretsi.fr\/colloque2022\/wp-content\/uploads\/2021\/12\/1280px-EPFL_2020_Lenka_Zdeborova_Portrait-1024x1536.jpg 1024w, https:\/\/gretsi.fr\/colloque2022\/wp-content\/uploads\/2021\/12\/1280px-EPFL_2020_Lenka_Zdeborova_Portrait.jpg 1280w\" sizes=\"(max-width: 683px) 100vw, 683px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\"> \u00a9EPFL - Alain Herzog \/ Jamani Caillet<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-66 elementor-inner-column elementor-element elementor-element-792e6d5\" data-id=\"792e6d5\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-26a2fa4 elementor-widget elementor-widget-accordion\" data-id=\"26a2fa4\" data-element_type=\"widget\" data-widget_type=\"accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-accordion\" role=\"tablist\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-4051\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"tab\" aria-controls=\"elementor-tab-content-4051\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" href=\"\">R\u00e9sum\u00e9<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-4051\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-4051\"><p><strong>Apprentissage (profond) et Physique Statistique<\/strong><\/p><p>R\u00e9sum\u00e9 : Le traitement du signal avec des distributions a priori sous forme de r\u00e9seaux de neurones g\u00e9n\u00e9ratifs est un sujet de recherche actif avec des applications prometteuses. Dans un certain sens, les priors g\u00e9n\u00e9ratifs remplacent la parcimonie dans leur capacit\u00e9 \u00e0 capturer la structure pertinente dans les donn\u00e9es permettant la compression du signal. D&rsquo;un point de vue th\u00e9orique, l&rsquo;analyse des performances avec des priors de r\u00e9seaux de neurones g\u00e9n\u00e9ratifs est beaucoup plus difficile que pour la parcimonie. Dans cet expos\u00e9, je passerai en revue une ligne de travail d\u00e9rivant des r\u00e9sultats th\u00e9oriques pour les priors g\u00e9n\u00e9ratifs avec des matrices de poids al\u00e9atoires. Dans ce cas, une analyse fine des performances est possible avec le passage de message approximatif multicouche et son \u00e9volution d&rsquo;\u00e9tat. L&rsquo;analyse se g\u00e9n\u00e9ralise aux matrices convolutionnelles al\u00e9atoires. Au passage, je passerai en revue des m\u00e9thodes issues de la physique statistique telles que les algorithmes de passage de messages approch\u00e9s et leurs propri\u00e9t\u00e9s.<\/p><p>Abstract: Signal processing with prior distributions in the form of generative neural networks is an active research topic with promising applications. In a certain sense generative priors replace sparsity in their capacity to capture relevant structure in the data allowing for compression of the signal. From a theoretical point of view, analysis of performance with generative neural network priors is way more challenging than for sparsity. In this talk, I will review a line of work deriving theoretical results for generative priors with weight matrices being random. In this case, a tight analysis of the performance is possible with multi-layer approximate message passing and its state evolution. The analysis generalizes to random convolutional matrices. On the way, I will review methods stemming from statistical physics such as the approximate message passing algorithms and their properties.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-4052\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"tab\" aria-controls=\"elementor-tab-content-4052\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" href=\"\">Biographie<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-4052\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-4052\"><p>Lenka Zdeborov\u00e1 is\u00a0a\u00a0Professor of Physics and of Computer Science in \u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne where she leads the Statistical Physics of Computation Laboratory.<\/p><p>She received\u00a0a\u00a0PhD in physics from University Paris-Sud and from Charles University in Prague in 2008. She spent two years in the Los Alamos National Laboratory as the Director&rsquo;s Postdoctoral Fellow. Between 2010 and 2020 she was\u00a0a\u00a0researcher at CNRS working in the Institute of Theoretical Physics in CEA Saclay, France. In 2014, she was awarded the CNRS bronze medal, in 2016 Philippe Meyer prize in theoretical physics and an ERC Starting Grant, in 2018 the Ir\u00e8ne Joliot-Curie prize, in 2021 the Gibbs lectureship of AMS and the Neuron Fund award. She is an editorial board member for Journal of Physics A, Physical Review E, Physical Review X, SIMODS, Machine Learning: Science and Technology, and Information and Inference.<\/p><p>Lenka&rsquo;s expertise is in applications of concepts from statistical physics, such as advanced mean field methods, replica method and related message-passing algorithms, to problems in machine learning, signal processing, inference and optimization. She enjoys erasing the boundaries between theoretical physics, mathematics and computer science.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-c53020b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c53020b\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-8a9a84d\" data-id=\"8a9a84d\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-502cfa8 elementor-view-default elementor-widget elementor-widget-icon\" data-id=\"502cfa8\" data-element_type=\"widget\" data-widget_type=\"icon.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-icon-wrapper\">\n\t\t\t<div class=\"elementor-icon\">\n\t\t\t<i aria-hidden=\"true\" class=\"fas fa-microphone\"><\/i>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1bd86f1 elementor-widget elementor-widget-heading\" data-id=\"1bd86f1\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Pierre <span class=\"highlight\">Rouchon<\/span> (Professeur Mines ParisTech)<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d683d30 elementor-widget elementor-widget-text-editor\" data-id=\"d683d30\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t\t<a href=\"https:\/\/cas.mines-paristech.fr\/~rouchon\/\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-2454\" src=\"http:\/\/gretsi.fr\/colloque2022\/wp-content\/uploads\/2021\/12\/url.png\" alt=\"\" width=\"20\" height=\"20\" \/>\u00a0https:\/\/cas.mines-paristech.fr\/~rouchon\/<\/a>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-f7b1195 elementor-section-content-top elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f7b1195\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-66 elementor-inner-column elementor-element elementor-element-2e3c3d3\" data-id=\"2e3c3d3\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-beea2f3 elementor-widget elementor-widget-accordion\" data-id=\"beea2f3\" data-element_type=\"widget\" data-widget_type=\"accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-accordion\" role=\"tablist\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-2001\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"tab\" aria-controls=\"elementor-tab-content-2001\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" href=\"\">R\u00e9sum\u00e9<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2001\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-2001\"><p class=\"lead\"><strong>Codes correcteurs quantiques et feedback<\/strong><\/p><p>R\u00e9sum\u00e9 : La correction d\u2019erreur quantique repose usuellement sur un feedback statique de sortie. Elle correspond alors \u00e0 un contr\u00f4leur classique avec comme entr\u00e9e des signaux classiques issus de mesures quantiques, et comme sortie des signaux aussi classiques et param\u00e9trant l\u2019\u00e9volution quantique du syst\u00e8me physique. La correction d\u2019erreur quantique peut aussi exploiter la dissipation associ\u00e9e au ph\u00e9nom\u00e8ne de d\u00e9coh\u00e9rence. Elle utilise alors un feedback stabilisant o\u00f9 le contr\u00f4leur est un syst\u00e8me auxiliaire quantique dissipatif.<\/p><p>Cet expos\u00e9 porte sur la conception de tels contr\u00f4leurs quantiques. Les dynamiques sont gouvern\u00e9es par les \u00e9quations ma\u00eetresses quantiques (\u00e9quations diff\u00e9rentielles de Gorini\u2013Kossakowski\u2013Sudarshan\u2013Lindblad) r\u00e9gissant l\u2019\u00e9volution temporelle des \u00e9tats quantiques (op\u00e9rateur densit\u00e9 rempla\u00e7ant, pour un syst\u00e8me quantique avec d\u00e9coh\u00e9rence, la fonction d\u2019onde). La conception et l\u2019analyse de convergence sont fond\u00e9es sur des techniques de moyennisation (approximations du champ tournant) et des m\u00e9thodes de perturbations singuli\u00e8res (\u00e9limination adiabatique). Un cas particulier important, o\u00f9 le contr\u00f4leur est un oscillateur harmonique quantique coupl\u00e9 de mani\u00e8re coh\u00e9rente au syst\u00e8me stockant l\u2019information quantique, est d\u00e9taill\u00e9. De tels sch\u00e9mas autonomes de correction d\u2019erreur sont d\u00e9velopp\u00e9s exp\u00e9rimentalement avec des circuits quantiques supraconducteurs pour prot\u00e9ger les \u00e9tats quantiques (cat-qubits, GKP-qubits) stock\u00e9s dans des oscillateurs harmoniques.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-2002\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"tab\" aria-controls=\"elementor-tab-content-2002\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" href=\"\">Biographie<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2002\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-2002\"><p>Pierre Rouchon est professeur au Centre Automatique et Syst\u00e8mes, Mines Paris, Universit\u00e9 PSL. Il est dipl\u00f4m\u00e9 de l\u2019Ecole Polytechnique en 1983, a obtenu un doctorat en 1990 et une habilitation \u00e0 diriger des recherches en 2000. De 1993 \u00e0 2005, il a \u00e9t\u00e9 professeur associ\u00e9 \u00e0 l\u2019Ecole Polytechnique en Math\u00e9matiques Appliqu\u00e9es. De 1998 \u00e0 2002, il a \u00e9t\u00e9 le responsable du Centre Automatique et Syst\u00e8mes. De 2007 \u00e0 2018, il a \u00e9t\u00e9 directeur du d\u00e9partement \u00ab\u00a0Math\u00e9matiques et Syst\u00e8mes\u00a0\u00bb \u00e0 Mines Paris. Depuis 2015, il est membre de l\u2019\u00e9quipe de recherche Quantic avec l\u2019Inria et l\u2019Ecole Normale Sup\u00e9rieure de Paris.<\/p><p>Ses domaines d\u2019int\u00e9r\u00eat incluent le contr\u00f4le non lin\u00e9aire et la th\u00e9orie math\u00e9matique des syst\u00e8mes avec des applications aux syst\u00e8mes physiques. Ses contributions incluent la platitude diff\u00e9rentielle et son extension aux syst\u00e8mes de dimension infinie, les observateurs non lin\u00e9aires avec sym\u00e9tries, le filtrage quantique et le feedback quantique. En 2017, il a re\u00e7u le Grand Prix IMT &#8211; Acad\u00e9mie des sciences de Paris.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-4d181c9\" data-id=\"4d181c9\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-bbe87f7 elementor-widget elementor-widget-image\" data-id=\"bbe87f7\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-image\">\n\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img width=\"450\" height=\"900\" src=\"https:\/\/gretsi.fr\/colloque2022\/wp-content\/uploads\/2021\/12\/Pierre-ROUCHON-Grand-Prix-IMT_900x450.jpg\" class=\"attachment-large size-large\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/gretsi.fr\/colloque2022\/wp-content\/uploads\/2021\/12\/Pierre-ROUCHON-Grand-Prix-IMT_900x450.jpg 450w, https:\/\/gretsi.fr\/colloque2022\/wp-content\/uploads\/2021\/12\/Pierre-ROUCHON-Grand-Prix-IMT_900x450-150x300.jpg 150w\" sizes=\"(max-width: 450px) 100vw, 450px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\"> \u00a9IMT<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Le Colloque GRETSI&rsquo;22 sera honor\u00e9 par les interventions en session pl\u00e9ni\u00e8re de plusieurs personnalit\u00e9s scientifiques de renomm\u00e9e internationale.<\/p>\n","protected":false},"author":1,"featured_media":2418,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"site-sidebar-layout":"no-sidebar","site-content-layout":"page-builder","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":""},"categories":[28,15],"tags":[33,34],"_links":{"self":[{"href":"https:\/\/gretsi.fr\/colloque2022\/wp-json\/wp\/v2\/posts\/2416"}],"collection":[{"href":"https:\/\/gretsi.fr\/colloque2022\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gretsi.fr\/colloque2022\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gretsi.fr\/colloque2022\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gretsi.fr\/colloque2022\/wp-json\/wp\/v2\/comments?post=2416"}],"version-history":[{"count":81,"href":"https:\/\/gretsi.fr\/colloque2022\/wp-json\/wp\/v2\/posts\/2416\/revisions"}],"predecessor-version":[{"id":2905,"href":"https:\/\/gretsi.fr\/colloque2022\/wp-json\/wp\/v2\/posts\/2416\/revisions\/2905"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gretsi.fr\/colloque2022\/wp-json\/wp\/v2\/media\/2418"}],"wp:attachment":[{"href":"https:\/\/gretsi.fr\/colloque2022\/wp-json\/wp\/v2\/media?parent=2416"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gretsi.fr\/colloque2022\/wp-json\/wp\/v2\/categories?post=2416"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gretsi.fr\/colloque2022\/wp-json\/wp\/v2\/tags?post=2416"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}