{"id":47126,"date":"2026-02-23T13:04:21","date_gmt":"2026-02-23T12:04:21","guid":{"rendered":"https:\/\/www.sea.ai\/?p=47126"},"modified":"2026-04-03T08:29:15","modified_gmt":"2026-04-03T07:29:15","slug":"detection-objets-maritime-ia","status":"publish","type":"post","link":"https:\/\/www.sea.ai\/fr\/detection-objets-maritime-ia\/","title":{"rendered":"Qu&rsquo;est-ce que la d\u00e9tection d&rsquo;objets maritimes par l&rsquo;IA ?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"47126\" class=\"elementor elementor-47126 elementor-47076\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-402b362 e-con-full e-flex e-con e-parent\" data-id=\"402b362\" data-element_type=\"container\" id=\"faq\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t<div class=\"elementor-element elementor-element-8b61890 e-flex e-con-boxed e-con e-child\" data-id=\"8b61890\" data-element_type=\"container\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5736d2f elementor-widget elementor-widget-text-editor\" data-id=\"5736d2f\" 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\t<p data-renderer-start-pos=\"155\">La d\u00e9tection d&rsquo;objets est l&rsquo;un des probl\u00e8mes les plus fondamentaux et les plus difficiles \u00e0 r\u00e9soudre dans le domaine de la <a href=\"https:\/\/fr.wikipedia.org\/wiki\/Vision_par_ordinateur\">vision par ordinateur<\/a>. Il s&rsquo;agit d&rsquo;identifier et de localiser des instances de classes d&rsquo;objets pr\u00e9d\u00e9finies (telles que des bateaux, des humains, des animaux) dans des images num\u00e9riques. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8a12c7a elementor-widget elementor-widget-image\" data-id=\"8a12c7a\" 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\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"383\" src=\"https:\/\/www.sea.ai\/uploads\/2026\/02\/what-is-object-detection_no-of-publications-in-object-detection-1024x490.jpg\" class=\"attachment-large size-large wp-image-47079\" alt=\"\" srcset=\"https:\/\/www.sea.ai\/uploads\/2026\/02\/what-is-object-detection_no-of-publications-in-object-detection-1024x490.jpg 1024w, https:\/\/www.sea.ai\/uploads\/2026\/02\/what-is-object-detection_no-of-publications-in-object-detection-300x143.jpg 300w, https:\/\/www.sea.ai\/uploads\/2026\/02\/what-is-object-detection_no-of-publications-in-object-detection-768x367.jpg 768w, https:\/\/www.sea.ai\/uploads\/2026\/02\/what-is-object-detection_no-of-publications-in-object-detection-1536x734.jpg 1536w, https:\/\/www.sea.ai\/uploads\/2026\/02\/what-is-object-detection_no-of-publications-in-object-detection-2048x979.jpg 2048w, https:\/\/www.sea.ai\/uploads\/2026\/02\/what-is-object-detection_no-of-publications-in-object-detection-600x287.jpg 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\"> Augmentation du nombre de publications sur la d\u00e9tection d'objets entre 2005 et 2025. (Donn\u00e9es issues de la recherche avanc\u00e9e de Google Scholar : allintitle : \"object detection\"). <\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-23d92c0 elementor-widget elementor-widget-text-editor\" data-id=\"23d92c0\" 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\t<h2 id=\"What-is-object-detection?\" data-local-id=\"9251ecdf4eb5\" data-renderer-start-pos=\"390\">Qu&rsquo;est-ce que la d\u00e9tection d&rsquo;objets ?<\/h2>\n<p data-renderer-start-pos=\"763\">Par rapport \u00e0 la classification d&rsquo;images, la d\u00e9tection d&rsquo;objets fournit plus d&rsquo;informations sur le contenu d&rsquo;une image. L&rsquo;exemple suivant le d\u00e9montre. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6cb99a8 elementor-widget elementor-widget-image\" data-id=\"6cb99a8\" 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\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"590\" src=\"https:\/\/www.sea.ai\/uploads\/2026\/02\/what-is-object-detection_models-1024x755.jpg\" class=\"attachment-large size-large wp-image-47083\" alt=\"\" srcset=\"https:\/\/www.sea.ai\/uploads\/2026\/02\/what-is-object-detection_models-1024x755.jpg 1024w, https:\/\/www.sea.ai\/uploads\/2026\/02\/what-is-object-detection_models-300x221.jpg 300w, https:\/\/www.sea.ai\/uploads\/2026\/02\/what-is-object-detection_models-768x567.jpg 768w, https:\/\/www.sea.ai\/uploads\/2026\/02\/what-is-object-detection_models-1536x1133.jpg 1536w, https:\/\/www.sea.ai\/uploads\/2026\/02\/what-is-object-detection_models-2048x1511.jpg 2048w, https:\/\/www.sea.ai\/uploads\/2026\/02\/what-is-object-detection_models-600x443.jpg 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\"><\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ff07363 elementor-widget elementor-widget-text-editor\" data-id=\"ff07363\" 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\t<p data-renderer-start-pos=\"565\" data-local-id=\"f7d84a41d22d\">La d\u00e9tection d\u2019objets ne r\u00e9pond pas seulement \u00e0 la question \u00ab Quel objet se trouve dans l\u2019image ? \u00bb, mais aussi \u00e0 la question \u00ab Combien d\u2019objets se trouvent dans l\u2019image ? \u00bb. Si le mod\u00e8le peut pr\u00e9dire plusieurs classes, il pourrait m\u00eame dire <em>\u00ab\u00a0bateau\u00a0\u00bb<\/em> et <em>\u00ab\u00a0objet \u00e9loign\u00e9\u00a0\u00bb<\/em>, mais c&rsquo;est le maximum d&rsquo;informations que nous puissions en tirer. <\/p>\n<p data-renderer-start-pos=\"856\" data-local-id=\"b0448a3393bf\">La classification d\u2019images se limite \u00e0 dire <em>ce qui est pr\u00e9sent dans une image<\/em> sans pr\u00e9ciser la position de chaque objet. Par exemple, elle pourrait pr\u00e9dire qu\u2019une image contient un bateau ou une bou\u00e9e, mais sans indiquer o\u00f9 ces objets se trouvent. <em>La d\u00e9tection d\u2019objets, en revanche, fournit \u00e0 la fois les \u00e9tiquettes et les coordonn\u00e9es spatiales<\/em> (bo\u00eetes englobantes\/bounding boxes) de toutes les instances d\u2019objets d\u00e9tect\u00e9es dans l\u2019image.<\/p>\n<p data-renderer-start-pos=\"856\" data-local-id=\"b0448a3393bf\">Bien entendu, cette r\u00e9ponse est plus utile dans de nombreux sc\u00e9narios r\u00e9els, tels que la <strong>pr\u00e9vention des collisions<\/strong>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1ccaffc elementor-widget elementor-widget-text-editor\" data-id=\"1ccaffc\" 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\t<h2 id=\"Deep-Learning\" data-local-id=\"e0d981295dfd\" data-renderer-start-pos=\"1123\">Apprentissage profond<\/h2>\n<p data-renderer-start-pos=\"1330\">Ces r\u00e9ponses, \u00e9galement appel\u00e9es pr\u00e9dictions, sont g\u00e9n\u00e9r\u00e9es par des mod\u00e8les. De nos jours, les mod\u00e8les sont des <a href=\"https:\/\/fr.wikipedia.org\/wiki\/Apprentissage_profond\">r\u00e9seaux neuronaux profonds (DNN)<\/a>. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-41c0d99 elementor-widget elementor-widget-text-editor\" data-id=\"41c0d99\" 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\t<h3 id=\"Types-of-DNNs\" data-local-id=\"1e826afbc6d1\" data-renderer-start-pos=\"1261\">Types de DNN<\/h3><p>Il existe plusieurs types de r\u00e9seaux neuronaux profonds, mais deux d&rsquo;entre eux dominent les t\u00e2ches telles que la d\u00e9tection d&rsquo;objets. La m\u00e9thode d&rsquo;apprentissage profond la plus fondamentale pour la vision par ordinateur utilise les <a href=\"https:\/\/fr.wikipedia.org\/wiki\/R%C3%A9seau_neuronal_convolutif\">r\u00e9seaux neuronaux convolutifs (CNN).<\/a> <\/p><p>Les chercheurs ont invent\u00e9 l&rsquo;architecture des CNN en 1980. Cependant, l&rsquo;article qui a popularis\u00e9 les CNN profonds n&rsquo;est apparu qu&rsquo;en 2012, avec la pr\u00e9sentation d <a href=\"https:\/\/en.wikipedia.org\/wiki\/AlexNet\"><strong>AlexNet<\/strong><\/a>. <\/p><p>Depuis lors, les CNN sont un ingr\u00e9dient fondamental de la vision par ordinateur. Il y a quelques ann\u00e9es seulement, en 2017, des chercheurs de Google ont pr\u00e9sent\u00e9 les mod\u00e8les <a href=\"https:\/\/en.wikipedia.org\/wiki\/Transformer_(deep_learning)\">Transformer<\/a>, qui sont devenus tr\u00e8s populaires en raison de leurs excellentes performances en mati\u00e8re de d\u00e9tection. <\/p><p>N\u00e9anmoins, ils n&rsquo;ont pas totalement remplac\u00e9 les CNN, car les Transformers ont tendance \u00e0 \u00eatre plus lents, \u00e0 n\u00e9cessiter plus de donn\u00e9es pour l&rsquo;apprentissage et \u00e0 exiger une plus grande puissance de calcul.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-af67c72 elementor-widget elementor-widget-text-editor\" data-id=\"af67c72\" 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\t<h3 id=\"How-do-DNNs-work?\" data-local-id=\"d41969cf8aa7\" data-renderer-start-pos=\"2038\">Comment fonctionnent les DNN ?<\/h3>\n<p>Ces mod\u00e8les sont constitu\u00e9s de plusieurs couches superpos\u00e9es.<\/p>\n<p>Lorsque vous introduisez une image dans le mod\u00e8le, chaque couche la traite, et chaque couche transmet son r\u00e9sultat \u00e0 la suivante.<\/p>\n<p>Le terme <strong>\u00ab\u00a0profond\u00a0\u00bb<\/strong> dans l&rsquo;apprentissage profond fait r\u00e9f\u00e9rence \u00e0 la pr\u00e9sence d&rsquo;un grand nombre de ces couches. La figure ci-dessous pr\u00e9sente un sch\u00e9ma tr\u00e8s simplifi\u00e9 de l&#8217;empilement de ces couches. <\/p>\n<p>Dans la pratique, les mod\u00e8les contiennent <strong>beaucoup plus de couches<\/strong>, <strong>diff\u00e9rents types de couches<\/strong> et d&rsquo;autres types de connexions et d&rsquo;op\u00e9rations de traitement.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b437451 elementor-widget elementor-widget-image\" data-id=\"b437451\" 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\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"299\" src=\"https:\/\/www.sea.ai\/uploads\/2026\/02\/what-is-object-detection_layers-1024x383.jpg\" class=\"attachment-large size-large wp-image-47087\" alt=\"\" srcset=\"https:\/\/www.sea.ai\/uploads\/2026\/02\/what-is-object-detection_layers-1024x383.jpg 1024w, https:\/\/www.sea.ai\/uploads\/2026\/02\/what-is-object-detection_layers-300x112.jpg 300w, https:\/\/www.sea.ai\/uploads\/2026\/02\/what-is-object-detection_layers-768x288.jpg 768w, https:\/\/www.sea.ai\/uploads\/2026\/02\/what-is-object-detection_layers-1536x575.jpg 1536w, https:\/\/www.sea.ai\/uploads\/2026\/02\/what-is-object-detection_layers-2048x767.jpg 2048w, https:\/\/www.sea.ai\/uploads\/2026\/02\/what-is-object-detection_layers-600x225.jpg 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Cette image montre comment les couches sont empil\u00e9es. La premi\u00e8re couche re\u00e7oit l'image en entr\u00e9e, et les couches suivantes re\u00e7oivent la sortie de la couche pr\u00e9c\u00e9dente en entr\u00e9e. \u00c0 la sortie de la derni\u00e8re couche, on trouve les cases finales et leurs \u00e9tiquettes.  <\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0b0f212 elementor-widget elementor-widget-text-editor\" data-id=\"0b0f212\" 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\t<p data-renderer-start-pos=\"2023\">De mani\u00e8re tr\u00e8s simplifi\u00e9e, on peut consid\u00e9rer chaque couche comme un calcul utilisant l&rsquo;addition et la multiplication.<\/p>\n<p data-renderer-start-pos=\"2023\">Chaque couche se compose de plusieurs param\u00e8tres, qui sont essentiellement des nombres simples que ces op\u00e9rations math\u00e9matiques utilisent.<\/p>\n<p data-renderer-start-pos=\"2023\">En termes de nombre total de param\u00e8tres par mod\u00e8le, les r\u00e9seaux DNN de d\u00e9tection d&rsquo;objets peuvent varier consid\u00e9rablement &#8211; de <strong>2,4 millions de param\u00e8tres<\/strong> (YOLO26 nano, un mod\u00e8le bas\u00e9 sur le CNN) \u00e0 <strong>218 millions de param\u00e8tres<\/strong> (une version DINO utilisant une \u00e9pine dorsale SwinL, un mod\u00e8le bas\u00e9 sur un transformateur).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1b1baa9 elementor-widget elementor-widget-text-editor\" data-id=\"1b1baa9\" 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\t<h1 id=\"3.-Testing-the-AI-in-Real-Conditions\" data-renderer-start-pos=\"2023\">L&rsquo;essence de la formation : les donn\u00e9es<\/h1><p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">Pour obtenir un mod\u00e8le qui fasse de bonnes pr\u00e9dictions, vous devez l&rsquo;entra\u00eener. Intuitivement, au cours de ce processus, le mod\u00e8le apprend \u00e0 quoi ressemblent certains types d&rsquo;objets et comment les d\u00e9tecter correctement. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-75ddd97 elementor-widget elementor-widget-text-editor\" data-id=\"75ddd97\" 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\t<p id=\"3.-Testing-the-AI-in-Real-Conditions\" data-renderer-start-pos=\"2023\">Dans l&rsquo;apprentissage profond, ce sont les donn\u00e9es qui d\u00e9terminent le processus de formation. Cela signifie qu&rsquo;au lieu d&rsquo;indiquer explicitement au mod\u00e8le l&rsquo;apparence de certains types d&rsquo;objets (ce qui est pratiquement impossible), <strong>nous lui fournissons de grandes quantit\u00e9s de donn\u00e9es et les pr\u00e9dictions souhait\u00e9es<\/strong> (appel\u00e9es \u00ab\u00a0v\u00e9rit\u00e9 de terrain\u00a0\u00bb). <\/p>\n<p data-renderer-start-pos=\"2023\">Sur la base de ces deux facteurs, le mod\u00e8le apprend \u00e0 <strong>g\u00e9n\u00e9rer les meilleures pr\u00e9dictions<\/strong>. Bien que cela puisse sembler magique, il s&rsquo;agit essentiellement de math\u00e9matiques : le mod\u00e8le apprend les valeurs optimales des param\u00e8tres par le biais d&rsquo;un processus d&rsquo;optimisation math\u00e9matique. <\/p>\n<p data-renderer-start-pos=\"2023\">En effet, il apprend une fonction math\u00e9matique non lin\u00e9aire tr\u00e8s complexe qui r\u00e9sume au mieux les donn\u00e9es fournies. Il n&rsquo;est donc pas surprenant qu&rsquo;un <strong>ensemble de donn\u00e9es de haute qualit\u00e9 soit essentiel pour obtenir un mod\u00e8le fiable<\/strong> et des r\u00e9sultats de d\u00e9tection corrects. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-443faa4 elementor-widget elementor-widget-text-editor\" data-id=\"443faa4\" 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\t<p>Nous divisons g\u00e9n\u00e9ralement l&rsquo;ensemble de donn\u00e9es en trois sous-ensembles :<\/p>\n<ul class=\"[li_&amp;]:mb-0 [li_&amp;]:mt-1 [li_&amp;]:gap-1 [&amp;:not(:last-child)_ul]:pb-1 [&amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\">\n<li class=\"whitespace-normal break-words pl-2\"><strong>Ensemble de donn\u00e9es d&rsquo;entra\u00eenement<\/strong>: comprend des images annot\u00e9es avec des bo\u00eetes de d\u00e9limitation et des \u00e9tiquettes de classe. Ces annotations permettent au mod\u00e8le d&rsquo;apprendre \u00e0 d\u00e9tecter et \u00e0 classer les objets. <\/li>\n<li class=\"whitespace-normal break-words pl-2\"><strong>Ensemble de donn\u00e9es de validation<\/strong>: comprend des images distinctes, non vues pendant la formation, que nous utilisons pour r\u00e9gler les diff\u00e9rents param\u00e8tres du mod\u00e8le (par exemple, combien de couches dois-je utiliser, c&rsquo;est-\u00e0-dire quelle doit \u00eatre la profondeur du mod\u00e8le ?)<\/li>\n<li class=\"whitespace-normal break-words pl-2\"><strong>Ensemble de donn\u00e9es de test<\/strong>: comprend des images distinctes, non vues lors de la formation et de la validation, que nous utilisons pour \u00e9valuer les performances finales du mod\u00e8le.<\/li>\n<\/ul>\n<br><p>Cette s\u00e9paration permet de mesurer objectivement les performances et d&rsquo;apporter des am\u00e9liorations it\u00e9ratives \u00e0 des aspects cl\u00e9s tels que la vitesse de d\u00e9tection, la r\u00e9sistance aux objets multi-\u00e9chelles (tailles et distances variables) et la pr\u00e9cision globale.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-46a2b66 elementor-widget elementor-widget-text-editor\" data-id=\"46a2b66\" 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\t<p data-renderer-start-pos=\"5024\" data-local-id=\"e87bc23b-99c2-48b8-a20d-7381ec3f7033\">Afin d&rsquo;am\u00e9liorer en permanence les performances du mod\u00e8le, l&rsquo;ensemble des donn\u00e9es doit \u00eatre r\u00e9guli\u00e8rement enrichi. Les donn\u00e9es sont collect\u00e9es dans des environnements op\u00e9rationnels r\u00e9els et dans diverses conditions afin de garantir la robustesse du mod\u00e8le face \u00e0 un large \u00e9ventail de sc\u00e9narios. <\/p>\n<p data-renderer-start-pos=\"5024\" data-local-id=\"e87bc23b-99c2-48b8-a20d-7381ec3f7033\">Le processus complet de collecte de donn\u00e9es est d\u00e9taill\u00e9 ici : <span data-inline-card=\"true\" data-card-url=\"https:\/\/sea-team.atlassian.net\/wiki\/spaces\/CV\/pages\/360906767\" data-annotation-inline-node=\"true\" data-renderer-start-pos=\"5295\" data-annotation-mark=\"true\" data-ssr-placeholder=\"0vDZ-:EfLS5:z8NN7:qz-Pe:Y6119-0\"><span class=\"css-bjn8wh\"><span class=\"loader-wrapper\"><span class=\"hover-card-trigger-wrapper\" data-testid=\"hover-card-trigger-wrapper\"><a class=\"_1yt4x7n9 _2rko12b0 _v56415x0 _1e0c1nu9 _16d9qvcn _syaz13af _1rkwglyw _4cvx1w55 _19itia51 _bfhkhp5a _1a3b1r31 _4fprglyw _5goinqa1 _9oik1r31 _1bnxglyw _jf4cnqa1 _1nrm1r31 _c2waglyw _1iohnqa1 _uizt1kdv _nt751r31 _49pcglyw _1hvw1o36 _1372tlke _7ehiw5lj _1j5pglyw _1di615s3\" tabindex=\"0\" role=\"button\" href=\"https:\/\/www.sea.ai\/fr\/collecte-donnees-ia\/\" data-testid=\"inline-card-resolved-view\"><span class=\"_19itglyw _vchhusvi _r06hglyw _o5721jtm _1nmz9jpi _16d9qvcn _ca0qv77o _u5f31b66 _n3tdv77o _19bv1b66\" data-testid=\"inline-card-icon-and-title\"><span class=\"_19itglyw _vchhusvi _r06hglyw\">Comment collecter des donn\u00e9es pour la formation \u00e0 l&rsquo;IA ?<\/span><\/span><\/a><\/span><\/span><\/span><\/span><\/p>\n<p data-renderer-start-pos=\"5298\" data-local-id=\"50a86e4f351b\">Dans le cas de l&rsquo;utilisation maritime, la <strong>taille des objets pr\u00e9sente une difficult\u00e9 particuli\u00e8re<\/strong>. Souvent, les objets sont relativement \u00e9loign\u00e9s, ce qui fait qu&rsquo;ils apparaissent avec peu de d\u00e9tails dans l&rsquo;image. <\/p>\n<p data-renderer-start-pos=\"5298\" data-local-id=\"50a86e4f351b\">Consid\u00e9rez l&rsquo;image ci-dessous : des objets existent clairement dans chaque culture, mais \u00e0 quelles cat\u00e9gories correspondent ces objets ?<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-88fea26 elementor-widget elementor-widget-image\" data-id=\"88fea26\" 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\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"184\" src=\"https:\/\/www.sea.ai\/uploads\/2026\/02\/buoy_vs_sail.drawio-300x184.png\" class=\"attachment-medium size-medium wp-image-47091\" alt=\"\" srcset=\"https:\/\/www.sea.ai\/uploads\/2026\/02\/buoy_vs_sail.drawio-300x184.png 300w, https:\/\/www.sea.ai\/uploads\/2026\/02\/buoy_vs_sail.drawio-1024x629.png 1024w, https:\/\/www.sea.ai\/uploads\/2026\/02\/buoy_vs_sail.drawio-768x472.png 768w, https:\/\/www.sea.ai\/uploads\/2026\/02\/buoy_vs_sail.drawio-1536x944.png 1536w, https:\/\/www.sea.ai\/uploads\/2026\/02\/buoy_vs_sail.drawio-2048x1259.png 2048w, https:\/\/www.sea.ai\/uploads\/2026\/02\/buoy_vs_sail.drawio-600x369.png 600w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Bou\u00e9e ou voilier<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0736db1 elementor-widget elementor-widget-text-editor\" data-id=\"0736db1\" 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\t<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">Au bout d&rsquo;un certain temps, on peut deviner que le c\u00f4t\u00e9 droit repr\u00e9sente un bateau \u00e0 voile et le c\u00f4t\u00e9 gauche une bou\u00e9e sph\u00e9rique.<\/p><p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">Cependant, il ne s&rsquo;agit pas d&rsquo;une distinction triviale (m\u00eame forme sph\u00e9rique, m\u00eame couleur dans les images LWIR, etc.) C&rsquo;est pourquoi, <strong>dans de tels cas, il est particuli\u00e8rement important de disposer d&rsquo;un vaste ensemble de donn\u00e9es de haute qualit\u00e9<\/strong>, afin que le mod\u00e8le puisse apprendre les distinctions appropri\u00e9es. Une fois de plus, cela montre pourquoi nous accordons tant d&rsquo;importance \u00e0 la qualit\u00e9 de l&rsquo;ensemble de donn\u00e9es.  <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-adf7345 elementor-widget elementor-widget-text-editor\" data-id=\"adf7345\" 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\t<h2 class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">Comprendre la d\u00e9tection d&rsquo;objets maritimes par l&rsquo;IA : r\u00e9flexions finales<\/h2><p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">La d\u00e9tection d&rsquo;objets se concentre sur la localisation (o\u00f9 ?) et la classification (quoi ?) de tous les objets d&rsquo;une image. Pour ce faire, elle effectue une op\u00e9ration math\u00e9matique complexe \u00e0 partir de l&rsquo;image. <\/p><p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">Bien que les op\u00e9rations math\u00e9matiques soient complexes et impliquent g\u00e9n\u00e9ralement des millions de param\u00e8tres, l&rsquo;objectif est simple : <strong>d\u00e9tecter de mani\u00e8re robuste tous les objets d&rsquo;une image.<\/strong><\/p><p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">Dans notre cas, il s&rsquo;agit de la base d&rsquo;une <strong>pr\u00e9vention r\u00e9ussie des collisions en mer<\/strong>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Les syst\u00e8mes SEA.AI utilisent des mod\u00e8les d\u2019IA avanc\u00e9s pour d\u00e9tecter, localiser, identifier et suivre les objets maritimes, renfor\u00e7ant la s\u00e9curit\u00e9 de la navigation et la pr\u00e9vention des collisions.<\/p>\n","protected":false},"author":58,"featured_media":32499,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[24],"tags":[617],"class_list":["post-47126","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news-fr","tag-ia"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.0 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>D\u00e9tection d&#039;Objets Maritimes par IA : Guide | SEA.AI<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez la d\u00e9tection d&#039;objets maritimes par IA : identification des navires, obstacles et dangers en mer. 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