{"id":80508,"date":"2026-03-17T13:04:38","date_gmt":"2026-03-17T12:04:38","guid":{"rendered":"https:\/\/www.he-arc.ch\/?post_type=he-arc_work&#038;p=80508"},"modified":"2026-03-18T10:37:48","modified_gmt":"2026-03-18T09:37:48","slug":"chalon-thoma","status":"publish","type":"he-arc_work","link":"https:\/\/www.he-arc.ch\/en\/projets-etudiants\/chalon-thoma\/","title":{"rendered":"CHALON Thoma"},"content":{"rendered":"\n<p>Suite \u00e0 la temp\u00eate de juillet 2023 \u00e0 La Chaux-de-Fonds, ce travail de bachelor a d\u00e9velopp\u00e9 un syst\u00e8me de d\u00e9tection automatique de d\u00e9g\u00e2ts sur toitures par intelligence artificielle, en collaboration avec le SITN.<\/p>\n\n\n\n<p>La m\u00e9thode adopt\u00e9e s\u2019est organis\u00e9e en deux phases : exploration d\u2019architectures de r\u00e9seaux de neurones convolutifs sur donn\u00e9es RGB (EfficientNet, ResNet, ViT, BDD-Net), puis d\u00e9veloppement d\u2019une architecture two-stream fusionnant donn\u00e9es RGB et LiDAR d\u2019intensit\u00e9 par fusion tardive.<\/p>\n\n\n\n<p>Le dataset comprenait des vignettes de toitures extraites d\u2019orthophotos 20cm\/pixel, annot\u00e9es manuellement selon une classification binaire endommag\u00e9e\/intacte.<\/p>\n\n\n\n<p>Les r\u00e9sultats ont montr\u00e9 qu\u2019EfficientNet-B7 atteint les meilleures performances avec 78.4% d\u2019accuracy sur le jeu de test. L\u2019architecture two-stream RGB-LiDAR exploite efficacement les compl\u00e9mentarit\u00e9s entre information visuelle et g\u00e9om\u00e9trique. Le syst\u00e8me traite l\u2019ensemble d\u2019une commune en quelques heures contre plusieurs semaines manuellement.<\/p>\n\n\n\n<p>Cette solution fournit un outil d\u2019aide \u00e0 la d\u00e9cision pour la gestion post-catastrophe. L\u2019int\u00e9gration dans l\u2019\u00e9cosyst\u00e8me g\u00e9ospatial cantonal est tout \u00e0 fait envisageable. Les perspectives incluent l\u2019extension g\u00e9ographique, la classification multiclasse des dommages, l\u2019utilisation d\u2019autres donn\u00e9es pour augmenter la pr\u00e9cision, etc.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><a href=\"https:\/\/www.he-arc.ch\/wp-content\/uploads\/2026\/03\/25ISC-TB212_Chalon_Thoma.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Poster du travail de bachelor de Thoma Chalon<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" width=\"357\" height=\"213\" src=\"https:\/\/www.he-arc.ch\/wp-content\/uploads\/2026\/03\/25ISC-TB212_Chalon_Thoma.png\" alt=\"\" class=\"wp-image-79921\" style=\"width:394px;height:auto\" srcset=\"https:\/\/www.he-arc.ch\/wp-content\/uploads\/2026\/03\/25ISC-TB212_Chalon_Thoma.png 357w, https:\/\/www.he-arc.ch\/wp-content\/uploads\/2026\/03\/25ISC-TB212_Chalon_Thoma-300x179.png 300w\" sizes=\"(max-width: 357px) 100vw, 357px\" \/><\/figure>\n","protected":false},"author":63,"featured_media":79921,"template":"","he-arc_domain":[3],"he-arc_training_branch":[48],"he-arc_training_orientation":[53],"he-arc_training_level":[58],"he-arc_project_year":[111],"class_list":["post-80508","he-arc_work","type-he-arc_work","status-publish","has-post-thumbnail","hentry","he-arc_domain-ingenierie","he-arc_training_branch-informatique-et-systemes-de-communication","he-arc_training_orientation-ingenierie-des-donnees","he-arc_training_level-travail-de-bachelor","he-arc_project_year-111"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>CHALON Thoma - Haute-Ecole Arc<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.he-arc.ch\/en\/projets-etudiants\/chalon-thoma\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CHALON Thoma - Haute-Ecole Arc\" \/>\n<meta property=\"og:description\" content=\"Suite \u00e0 la temp\u00eate de juillet 2023 \u00e0 La Chaux-de-Fonds, ce travail de bachelor a d\u00e9velopp\u00e9 un syst\u00e8me de d\u00e9tection automatique de d\u00e9g\u00e2ts sur toitures par intelligence artificielle, en collaboration avec le SITN. La m\u00e9thode adopt\u00e9e s\u2019est organis\u00e9e en deux phases : exploration d\u2019architectures de r\u00e9seaux de neurones convolutifs sur donn\u00e9es RGB (EfficientNet, ResNet, ViT, [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.he-arc.ch\/en\/projets-etudiants\/chalon-thoma\/\" \/>\n<meta property=\"og:site_name\" content=\"Haute-Ecole Arc\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-18T09:37:48+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.he-arc.ch\/wp-content\/uploads\/2026\/03\/25ISC-TB212_Chalon_Thoma.png\" \/>\n\t<meta property=\"og:image:width\" content=\"357\" \/>\n\t<meta property=\"og:image:height\" content=\"213\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.he-arc.ch\/en\/projets-etudiants\/chalon-thoma\/\",\"url\":\"https:\/\/www.he-arc.ch\/en\/projets-etudiants\/chalon-thoma\/\",\"name\":\"CHALON Thoma - Haute-Ecole Arc\",\"isPartOf\":{\"@id\":\"https:\/\/www.he-arc.ch\/en\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.he-arc.ch\/en\/projets-etudiants\/chalon-thoma\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.he-arc.ch\/en\/projets-etudiants\/chalon-thoma\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.he-arc.ch\/wp-content\/uploads\/2026\/03\/25ISC-TB212_Chalon_Thoma.png\",\"datePublished\":\"2026-03-17T12:04:38+00:00\",\"dateModified\":\"2026-03-18T09:37:48+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.he-arc.ch\/en\/projets-etudiants\/chalon-thoma\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.he-arc.ch\/en\/projets-etudiants\/chalon-thoma\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.he-arc.ch\/en\/projets-etudiants\/chalon-thoma\/#primaryimage\",\"url\":\"https:\/\/www.he-arc.ch\/wp-content\/uploads\/2026\/03\/25ISC-TB212_Chalon_Thoma.png\",\"contentUrl\":\"https:\/\/www.he-arc.ch\/wp-content\/uploads\/2026\/03\/25ISC-TB212_Chalon_Thoma.png\",\"width\":357,\"height\":213},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.he-arc.ch\/en\/projets-etudiants\/chalon-thoma\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\/\/www.he-arc.ch\/en\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Student Projects\",\"item\":\"https:\/\/www.he-arc.ch\/en\/student-projects\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"CHALON Thoma\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.he-arc.ch\/en\/#website\",\"url\":\"https:\/\/www.he-arc.ch\/en\/\",\"name\":\"Haute-Ecole Arc\",\"description\":\"Haute \u00e9cole sp\u00e9cialis\u00e9e Suisse. Gestion, Ing\u00e9nierie, Sant\u00e9, Conservation-\u200brestauration.\",\"publisher\":{\"@id\":\"https:\/\/www.he-arc.ch\/en\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.he-arc.ch\/en\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.he-arc.ch\/en\/#organization\",\"name\":\"Haute Ecole Arc\",\"url\":\"https:\/\/www.he-arc.ch\/en\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.he-arc.ch\/en\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.he-arc.ch\/wp-content\/uploads\/2022\/01\/logo-he-arc.svg\",\"contentUrl\":\"https:\/\/www.he-arc.ch\/wp-content\/uploads\/2022\/01\/logo-he-arc.svg\",\"width\":140,\"height\":42,\"caption\":\"Haute Ecole Arc\"},\"image\":{\"@id\":\"https:\/\/www.he-arc.ch\/en\/#\/schema\/logo\/image\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"CHALON Thoma - Haute-Ecole Arc","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.he-arc.ch\/en\/projets-etudiants\/chalon-thoma\/","og_locale":"en_US","og_type":"article","og_title":"CHALON Thoma - Haute-Ecole Arc","og_description":"Suite \u00e0 la temp\u00eate de juillet 2023 \u00e0 La Chaux-de-Fonds, ce travail de bachelor a d\u00e9velopp\u00e9 un syst\u00e8me de d\u00e9tection automatique de d\u00e9g\u00e2ts sur toitures par intelligence artificielle, en collaboration avec le SITN. La m\u00e9thode adopt\u00e9e s\u2019est organis\u00e9e en deux phases : exploration d\u2019architectures de r\u00e9seaux de neurones convolutifs sur donn\u00e9es RGB (EfficientNet, ResNet, ViT, [&hellip;]","og_url":"https:\/\/www.he-arc.ch\/en\/projets-etudiants\/chalon-thoma\/","og_site_name":"Haute-Ecole Arc","article_modified_time":"2026-03-18T09:37:48+00:00","og_image":[{"width":357,"height":213,"url":"https:\/\/www.he-arc.ch\/wp-content\/uploads\/2026\/03\/25ISC-TB212_Chalon_Thoma.png","type":"image\/png"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.he-arc.ch\/en\/projets-etudiants\/chalon-thoma\/","url":"https:\/\/www.he-arc.ch\/en\/projets-etudiants\/chalon-thoma\/","name":"CHALON Thoma - Haute-Ecole Arc","isPartOf":{"@id":"https:\/\/www.he-arc.ch\/en\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.he-arc.ch\/en\/projets-etudiants\/chalon-thoma\/#primaryimage"},"image":{"@id":"https:\/\/www.he-arc.ch\/en\/projets-etudiants\/chalon-thoma\/#primaryimage"},"thumbnailUrl":"https:\/\/www.he-arc.ch\/wp-content\/uploads\/2026\/03\/25ISC-TB212_Chalon_Thoma.png","datePublished":"2026-03-17T12:04:38+00:00","dateModified":"2026-03-18T09:37:48+00:00","breadcrumb":{"@id":"https:\/\/www.he-arc.ch\/en\/projets-etudiants\/chalon-thoma\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.he-arc.ch\/en\/projets-etudiants\/chalon-thoma\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.he-arc.ch\/en\/projets-etudiants\/chalon-thoma\/#primaryimage","url":"https:\/\/www.he-arc.ch\/wp-content\/uploads\/2026\/03\/25ISC-TB212_Chalon_Thoma.png","contentUrl":"https:\/\/www.he-arc.ch\/wp-content\/uploads\/2026\/03\/25ISC-TB212_Chalon_Thoma.png","width":357,"height":213},{"@type":"BreadcrumbList","@id":"https:\/\/www.he-arc.ch\/en\/projets-etudiants\/chalon-thoma\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Accueil","item":"https:\/\/www.he-arc.ch\/en\/"},{"@type":"ListItem","position":2,"name":"Student Projects","item":"https:\/\/www.he-arc.ch\/en\/student-projects\/"},{"@type":"ListItem","position":3,"name":"CHALON Thoma"}]},{"@type":"WebSite","@id":"https:\/\/www.he-arc.ch\/en\/#website","url":"https:\/\/www.he-arc.ch\/en\/","name":"Haute-Ecole Arc","description":"Haute \u00e9cole sp\u00e9cialis\u00e9e Suisse. Gestion, Ing\u00e9nierie, Sant\u00e9, Conservation-\u200brestauration.","publisher":{"@id":"https:\/\/www.he-arc.ch\/en\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.he-arc.ch\/en\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.he-arc.ch\/en\/#organization","name":"Haute Ecole Arc","url":"https:\/\/www.he-arc.ch\/en\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.he-arc.ch\/en\/#\/schema\/logo\/image\/","url":"https:\/\/www.he-arc.ch\/wp-content\/uploads\/2022\/01\/logo-he-arc.svg","contentUrl":"https:\/\/www.he-arc.ch\/wp-content\/uploads\/2022\/01\/logo-he-arc.svg","width":140,"height":42,"caption":"Haute Ecole Arc"},"image":{"@id":"https:\/\/www.he-arc.ch\/en\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/www.he-arc.ch\/en\/wp-json\/wp\/v2\/he-arc_work\/80508","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.he-arc.ch\/en\/wp-json\/wp\/v2\/he-arc_work"}],"about":[{"href":"https:\/\/www.he-arc.ch\/en\/wp-json\/wp\/v2\/types\/he-arc_work"}],"author":[{"embeddable":true,"href":"https:\/\/www.he-arc.ch\/en\/wp-json\/wp\/v2\/users\/63"}],"version-history":[{"count":2,"href":"https:\/\/www.he-arc.ch\/en\/wp-json\/wp\/v2\/he-arc_work\/80508\/revisions"}],"predecessor-version":[{"id":80662,"href":"https:\/\/www.he-arc.ch\/en\/wp-json\/wp\/v2\/he-arc_work\/80508\/revisions\/80662"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.he-arc.ch\/en\/wp-json\/wp\/v2\/media\/79921"}],"wp:attachment":[{"href":"https:\/\/www.he-arc.ch\/en\/wp-json\/wp\/v2\/media?parent=80508"}],"wp:term":[{"taxonomy":"he-arc_domain","embeddable":true,"href":"https:\/\/www.he-arc.ch\/en\/wp-json\/wp\/v2\/he-arc_domain?post=80508"},{"taxonomy":"he-arc_training_branch","embeddable":true,"href":"https:\/\/www.he-arc.ch\/en\/wp-json\/wp\/v2\/he-arc_training_branch?post=80508"},{"taxonomy":"he-arc_training_orientation","embeddable":true,"href":"https:\/\/www.he-arc.ch\/en\/wp-json\/wp\/v2\/he-arc_training_orientation?post=80508"},{"taxonomy":"he-arc_training_level","embeddable":true,"href":"https:\/\/www.he-arc.ch\/en\/wp-json\/wp\/v2\/he-arc_training_level?post=80508"},{"taxonomy":"he-arc_project_year","embeddable":true,"href":"https:\/\/www.he-arc.ch\/en\/wp-json\/wp\/v2\/he-arc_project_year?post=80508"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}