{"id":1853,"date":"2021-02-08T11:42:24","date_gmt":"2021-02-08T10:42:24","guid":{"rendered":"http:\/\/www.hydrosciences.org\/?p=1853"},"modified":"2021-02-08T11:42:24","modified_gmt":"2021-02-08T10:42:24","slug":"machine-learning","status":"publish","type":"post","link":"https:\/\/www.hydrosciences.org\/?p=1853&lang=fr","title":{"rendered":"Machine Learning"},"content":{"rendered":"\n<p>Atelier Interdisciplinaire <em>Machine Learning<\/em>  ( ou apprentissage automatique)<\/p>\n\n\n\n<p>Acronyme&nbsp;: AI<\/p>\n\n\n\n<p><strong>Animatrice<\/strong> Anne Johannet<\/p>\n\n\n\n<p>Depuis quelques ann\u00e9es dans le domaine de l&rsquo;environnement et de la sant\u00e9 il y a une explosion des capacit\u00e9s de mesure : les capteurs deviennent de moins en moins chers et de plus en plus nombreux \u00e0 \u00eatre utilis\u00e9s pour mesurer des grandeurs distribu\u00e9es, variant dans le temps, non stationnaires, issues de processus complexes (non lin\u00e9aires,&nbsp; h\u00e9t\u00e9rog\u00e8nes, anisotropes). Les difficult\u00e9s d&rsquo;observation se cumulent et donnent lieu \u00e0 des d\u00e9ploiements massifs de capteurs connect\u00e9s ou non.<\/p>\n\n\n\n<p>Or, analyser de grandes quantit\u00e9s d&rsquo;information gr\u00e2ce \u00e0 des capteurs distribu\u00e9s et\/ou connect\u00e9s, ne se fait pas \u00ab\u00a0\u00e0 l\u2019\u0153il\u00a0\u00bb, mais avec des <strong>algorithmes d&rsquo;apprentissage automatique<\/strong>. C&rsquo;est ce que l&rsquo;on appelle le <em>machine Learning<\/em> et cela comprend entre autres : les r\u00e9seaux de neurones, les algorithmes g\u00e9n\u00e9tiques, la logique floue, et autres \u2026<\/p>\n\n\n\n<p>Questions de recherche identifi\u00e9es :<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Quelle m\u00e9thode choisir pour quel probl\u00e8me, \u2026 quand ne pas utiliser ces m\u00e9thodes ?<\/li><li>Quelle quantit\u00e9 minimale de donn\u00e9es, quel \u00ab\u00a0bruit\u00a0\u00bb tol\u00e9rable ?<\/li><li>Quelles interactions avec les mod\u00e8les physiques et conceptuels, quelles plus-values et quelles limitations ?<\/li><\/ul>\n\n\n\n<p>Le dernier point permet une interaction forte avec l&rsquo;Atelier de Mod\u00e9lisation Interdisciplinaire&nbsp; &#8211; Informatique Scientifique<\/p>\n\n\n\n<p>Des collaborations internationales seront recherch\u00e9es via des th\u00e8ses en cotutelle ou des programmes internationaux.<\/p>\n\n\n\n<p>L&rsquo;<strong>animation<\/strong> de l&rsquo;atelier sera faite par des r\u00e9unions p\u00e9riodiques (tous les 2 mois) et des s\u00e9minaires ouverts \u00e0 l&rsquo;Unit\u00e9.<\/p>\n\n\n\n<p class=\"justify\">Mots cl\u00e9s&nbsp;: machine learning, apprentissage statistique, apprentissage automatique, r\u00e9seaux de neurones, apprentissage profond, mod\u00e9lisation, hydrosyst\u00e8mes<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Atelier Interdisciplinaire Machine Learning ( ou apprentissage automatique) Acronyme&nbsp;: AI Animatrice Anne Johannet Depuis quelques ann\u00e9es dans le domaine de l&rsquo;environnement et de la sant\u00e9 il y a une explosion des capacit\u00e9s de mesure : les capteurs deviennent de moins en moins chers et de plus en plus nombreux \u00e0 \u00eatre utilis\u00e9s pour mesurer des &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/www.hydrosciences.org\/?p=1853&#038;lang=fr\"> <span class=\"screen-reader-text\">Machine Learning<\/span> Lire la suite \u00bb<\/a><\/p>\n","protected":false},"author":1,"featured_media":2940,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"","footnotes":""},"categories":[70],"tags":[],"class_list":["post-1853","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ateliers-transversaux"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.2 - 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