{"id":4067,"date":"2026-07-02T13:13:13","date_gmt":"2026-07-02T13:13:13","guid":{"rendered":"https:\/\/cosmeo.earth\/?p=4067"},"modified":"2026-07-02T13:14:32","modified_gmt":"2026-07-02T13:14:32","slug":"cafe-odatis-dinamis-cosmeo","status":"publish","type":"post","link":"https:\/\/cosmeo.earth\/fr_fr\/cafe-odatis-dinamis-cosmeo\/","title":{"rendered":"Imagerie satellitaire tr\u00e8s haute r\u00e9solution : Dinamis et Cosmeo au service de la gestion c\u00f4ti\u00e8re"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Le webinaire Caf\u00e9 Odatis, organis\u00e9 le 25 juin en collaboration avec Data Terra et DINAMIS, a mis en lumi\u00e8re les avanc\u00e9es r\u00e9centes de l\u2019observation satellitaire pour le c\u00f4tier \u00e0 travers des <strong>cas application de l\u2019imagerie tr\u00e8s haute r\u00e9solution pour le suivi du littoral<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Au c\u0153ur des \u00e9changes : la transformation de donn\u00e9es spatiales complexes en outils directement mobilisables par les gestionnaires du littoral.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">DINAMIS, un point d&rsquo;acc\u00e8s mutualis\u00e9 aux images tr\u00e8s haute r\u00e9solution<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Au sein de l\u2019infrastructure de recherche Data Terra, le p\u00f4le Odatis (p\u00f4le de Donn\u00e9es et Services pour l&rsquo;oc\u00e9an) joue un r\u00f4le central dans l\u2019animation de la communaut\u00e9 scientifique autour des donn\u00e9es marines et c\u00f4ti\u00e8res.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En favorisant l&rsquo;acc\u00e8s aux donn\u00e9es, <strong>avec des dispositifs comme DINAMIS, Data Terra contribue aussi \u00e0 d\u00e9mocratiser les usages de l&rsquo;imagerie \u00e0 Tr\u00e8s Haute R\u00e9solution Spatiale (THRS)<\/strong>. Cette mission est essentielle pour lever les barri\u00e8res techniques et financi\u00e8res, permettant ainsi aux acteurs locaux de b\u00e9n\u00e9ficier des derni\u00e8res missions spatiales (Spot, Pl\u00e9iades Neo).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les \u00e9changes ont soulign\u00e9 l\u2019<strong>importance structurante de ces dispositifs d\u2019acc\u00e8s aux donn\u00e9es<\/strong>, maillons essentiels entre les infrastructures spatiales et les usages op\u00e9rationnels. La <strong>capacit\u00e9 \u00e0 p\u00e9renniser DINAMIS appara\u00eet ainsi comme un enjeu cl\u00e9<\/strong> pour garantir un acc\u00e8s continu et mutualis\u00e9 aux images satellitaires.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dans cette perspective, les modalit\u00e9s d\u2019acc\u00e8s pourraient \u00eatre progressivement enrichies afin de faciliter et d\u2019<strong>automatiser l\u2019acc\u00e8s aux images<\/strong>, et leur int\u00e9gration dans les cha\u00eenes de traitement et les workflows op\u00e9rationnels, notamment ceux mobilis\u00e9s dans des services comme <strong>Cosmeo<\/strong>. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019objectif est de rendre l\u2019information plus fluide et plus directement exploitable, des analyses ponctuelles au suivi r\u00e9gulier des dynamiques c\u00f4ti\u00e8res.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Cosmeo : des services op\u00e9rationnels au service du littoral<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Parmi les interventions, <strong>Valentin Pillet (i-Sea) <\/strong>a pr\u00e9sent\u00e9 plusieurs travaux d\u00e9velopp\u00e9s dans le cadre de Cosmeo, soutenu via le programme France 2030 par le CNES.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019usage du <strong>Deep Learning appliqu\u00e9 aux images satellitaires THRS<\/strong> permet de produire des informations environnementales directement exploitables pour la gestion du littoral, notamment :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>la <strong>cartographie fine des habitats sensibles<\/strong>, comme les <strong>herbiers marins<\/strong> ;<\/li>\n\n\n\n<li>le<strong> suivi des usages<\/strong>, dont la<strong> fr\u00e9quentation nautique<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ces approches illustrent la mani\u00e8re dont la donn\u00e9e satellitaire, une fois trait\u00e9e, devient un support concret d\u2019aide \u00e0 la d\u00e9cision pour la pr\u00e9servation et la gestion des \u00e9cosyst\u00e8mes c\u00f4tiers.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Au-del\u00e0 de ces premiers cas d\u2019usage, les \u00e9changes ont mis en \u00e9vidence une dynamique vers des <strong>services plus int\u00e9gr\u00e9s et plus flexibles, combinant production syst\u00e9matique et traitements \u00e0 la demande<\/strong>, afin de r\u00e9pondre \u00e0 la diversit\u00e9 des besoins des acteurs du littoral.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><a href=\"https:\/\/dinamis.data-terra.org\/replay-du-webinaire-cas-dusages-imageries-tres-haute-resolution-dinamis-applications-sur-le-littoral\/\" data-type=\"link\" data-id=\"https:\/\/dinamis.data-terra.org\/replay-du-webinaire-cas-dusages-imageries-tres-haute-resolution-dinamis-applications-sur-le-littoral\/\">Replay et pr\u00e9sentations ici<\/a><\/h4>\n","protected":false},"excerpt":{"rendered":"<p>Le webinaire Caf\u00e9 Odatis, organis\u00e9 le 25 juin en collaboration avec Data Terra et DINAMIS, a mis en lumi\u00e8re les avanc\u00e9es r\u00e9centes de l\u2019observation satellitaire pour le c\u00f4tier \u00e0 travers des cas application de l\u2019imagerie tr\u00e8s haute r\u00e9solution pour le suivi du littoral. Au c\u0153ur des \u00e9changes : la transformation de donn\u00e9es spatiales complexes en [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":4068,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","footnotes":""},"categories":[5,25],"tags":[22,6],"class_list":["post-4067","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actu","category-evenement","tag-aide-a-la-decision","tag-ecosystemes"],"_links":{"self":[{"href":"https:\/\/cosmeo.earth\/fr_fr\/wp-json\/wp\/v2\/posts\/4067","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cosmeo.earth\/fr_fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cosmeo.earth\/fr_fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cosmeo.earth\/fr_fr\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/cosmeo.earth\/fr_fr\/wp-json\/wp\/v2\/comments?post=4067"}],"version-history":[{"count":1,"href":"https:\/\/cosmeo.earth\/fr_fr\/wp-json\/wp\/v2\/posts\/4067\/revisions"}],"predecessor-version":[{"id":4069,"href":"https:\/\/cosmeo.earth\/fr_fr\/wp-json\/wp\/v2\/posts\/4067\/revisions\/4069"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cosmeo.earth\/fr_fr\/wp-json\/wp\/v2\/media\/4068"}],"wp:attachment":[{"href":"https:\/\/cosmeo.earth\/fr_fr\/wp-json\/wp\/v2\/media?parent=4067"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cosmeo.earth\/fr_fr\/wp-json\/wp\/v2\/categories?post=4067"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cosmeo.earth\/fr_fr\/wp-json\/wp\/v2\/tags?post=4067"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}