{"id":1934,"date":"2021-10-12T09:06:34","date_gmt":"2021-10-12T08:06:34","guid":{"rendered":"https:\/\/blog.u-bourgogne.fr\/fraclettes\/?page_id=1934"},"modified":"2025-03-03T18:54:15","modified_gmt":"2025-03-03T17:54:15","slug":"home","status":"publish","type":"page","link":"https:\/\/blog.ube.fr\/fraclettes\/","title":{"rendered":"Home"},"content":{"rendered":"<p>Projet ANR JCJC <strong>FRACLETTES<\/strong> (Mod\u00e8les FRACtals et analyse en ondeLETTES pour la caract\u00e9risation des \u00e9tats de surfaces)<\/p>\n<p>CE46 &#8211; Mod\u00e8les num\u00e9riques, simulation, applications<\/p>\n<p>&nbsp;<\/p>\n<h2 class=\"western\">Descriptif succinct<\/h2>\n<p align=\"justify\"><span style=\"color: #000000;\"><span style=\"font-family: Liberation Serif, serif;\"><span style=\"font-size: medium;\"><span>Nous partons du constat qu&rsquo;il est souvent difficile, pour un domaine applicatif ou un besoin donn\u00e9, de savoir pr\u00e9cis\u00e9ment <\/span><\/span><\/span><\/span><span style=\"color: #000000;\"><span style=\"font-family: Liberation Serif, serif;\"><span style=\"font-size: medium;\"><span lang=\"fr-FR\"><span>quel(s) param\u00e8tre(s) de rugosit\u00e9 relie(nt) la topographie d\u2019une surface aux ph\u00e9nom\u00e8nes physiques qu\u2019elle subit ou qu\u2019on lui applique. Sachant que la majorit\u00e9 des param\u00e8tres conventionnels reposent sur des mesures statistiques, nous proposons de nous tourner vers des caract\u00e9risations g\u00e9om\u00e9triques de la rugosit\u00e9 des surfaces. Nous proposons pour cela de nous appuyer sur une approche g\u00e9n\u00e9rique exploitant l\u2019analyse en ondelettes et la synth\u00e8se de rugosit\u00e9s \u00e0 partir de mod\u00e8les fractals d\u00e9terministes.<\/span><\/span><\/span><\/span><\/span><\/p>\n<p align=\"justify\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/blog.ube.fr\/fraclettes\/wp-content\/uploads\/sites\/156\/2021\/11\/image_projet.png\" alt=\"Exemples de surfaces rugueuses d\u00e9terministes g\u00e9n\u00e9r\u00e9es par BC-IFS (mod\u00e8le bas\u00e9 sur la g\u00e9om\u00e9trie fractale).\" width=\"885\" height=\"144\" \/><\/p>\n<h2 class=\"western\">Consortium<\/h2>\n<p>\u00c9quipe mod\u00e9lisation g\u00e9om\u00e9trique, laboratoire LIB, Dijon :<\/p>\n<ul>\n<li><a href=\"https:\/\/lib.u-bourgogne.fr\/equipe\/druoton-lucie\">DRUOTON Lucie<\/a> : post-doctorante depuis sept. 2021 et jusqu&rsquo;\u00e0 fin juin 2024<\/li>\n<li><a href=\"https:\/\/lib.u-bourgogne.fr\/equipe\/gentil-christian\">GENTIL Christian<\/a> : Professeur 27 &#8211; Dijon<\/li>\n<li><a href=\"https:\/\/lib.u-bourgogne.fr\/equipe\/janbein-mohamad-2\">JANBEIN Mohamad<\/a> : doctorant minist\u00e8re depuis oct. 2020 (en lien avec le projet)<\/li>\n<li><a href=\"https:\/\/lib.u-bourgogne.fr\/equipe\/lanquetin-sandrine\">LANQUETIN Sandrine<\/a> : MCF 27 &#8211; Dijon<\/li>\n<li><a href=\"https:\/\/lib.u-bourgogne.fr\/equipe\/michelucci-dominique\">MICHELUCCI Dominique<\/a> : Professeur 27 &#8211; Dijon (en retraite depuis sept. 2022)<\/li>\n<li><a href=\"https:\/\/lib.u-bourgogne.fr\/equipe\/poull-clement\">POULL Cl\u00e9ment<\/a> : doctorant depuis oct. 2021<\/li>\n<li><a href=\"https:\/\/lib.u-bourgogne.fr\/equipe\/roudet-celine\">ROUDET C\u00e9line<\/a> : MCF 27 &#8211; Dijon<\/li>\n<li><a href=\"https:\/\/lib.u-bourgogne.fr\/equipe\/roy-michael\">ROY Micha\u00ebl<\/a> : MCF 27 &#8211; Auxerre<\/li>\n<\/ul>\n<p><em>+ 2 stagiaires de Master 1 (sur environ 2 mois : \u00e9t\u00e9 2023) : Maxime DUPONT et Richard LEESTMANS<\/em><\/p>\n<p>&nbsp;<\/p>\n<h2 class=\"western\">Coordinateur du projet<\/h2>\n<p><strong>C\u00e9line Roudet<\/strong> (Laboratoire d&rsquo;Informatique de Bourgogne &#8211; EA 7534)<\/p>\n<p>Dur\u00e9e : 48 mois (prolongation de 6 mois accord\u00e9e relativement \u00e0 la dur\u00e9e initiale)<\/p>\n<p>Date de d\u00e9but du projet\u00a0: 1<sup>er<\/sup> mars 2021<\/p>\n<p>Date de fin du projet : 28 f\u00e9vrier 2025<\/p>\n<p>&nbsp;<\/p>\n<h1 class=\"western\">Contact<\/h1>\n<p>Celine.Roudet AT u-bourgogne.fr<\/p>\n<p>&nbsp;<\/p>\n<h1 class=\"western\">Liens<\/h1>\n<p><a href=\"https:\/\/anr.fr\/Projet-ANR-20-CE46-0003\">Lien permanent vers r\u00e9sum\u00e9 sur le site ANR (ANR-20-CE46-0003) <\/a><\/p>\n<h1 class=\"western\">Publications<\/h1>\n<ul>\n<li>C. Poull, C. Gentil, C. Roudet, <span><span lang=\"en-GB\"><b>L. Druoton<\/b><\/span><\/span>, M. Roy. <a href=\"https:\/\/www.insticc.org\/node\/TechnicalProgram\/visigrapp\/2025\/presentationDetails\/131917\">\u00ab\u00a0<em>Second Order Differential Properties of Tensor Product Fractal Surfaces.<\/em>\u00ab\u00a0<\/a> <i>In <\/i><span>VISIGRAPP 20th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications<\/span>, Feb 2025, Porto, Portugal.<\/li>\n<li><span style=\"font-family: Palatino Linotype, serif;\"><span lang=\"en-GB\"><span>C. Poull, C. Gentil, C. Roudet, L. Druoton, M. Roy. \u201c<\/span><\/span><\/span><span style=\"color: #0000ff;\"><u><a href=\"https:\/\/hal.science\/hal-04790610v1\/document\"><span style=\"font-family: Palatino Linotype, serif;\"><span style=\"font-size: small;\"><span lang=\"en-GB\"><b>Differential properties of rough fractal surfaces.<\/b><\/span><\/span><\/span><\/a><\/u><\/span><span style=\"font-family: Palatino Linotype, serif;\"><span lang=\"en-GB\"><i><span>\u201d<\/span><\/i><\/span><\/span><span style=\"font-family: Palatino Linotype, serif;\"><span lang=\"en-GB\"><span> <\/span><\/span><\/span><span style=\"font-family: Palatino Linotype, serif;\"><span lang=\"en-GB\"><i><span>In <\/span><\/i><\/span><\/span><span style=\"font-family: Palatino Linotype, serif;\"><span lang=\"en-GB\"><span>Journ\u00e9es Fran\u00e7aises d\u2019Informatique Graphique (jFIG), <\/span><\/span><\/span><span style=\"font-family: Palatino Linotype, serif;\"><span lang=\"en-GB\"><span>Oct<\/span><\/span><\/span><span style=\"font-family: Palatino Linotype, serif;\"><span lang=\"en-GB\"><span>. 202<\/span><\/span><\/span><span style=\"font-family: Palatino Linotype, serif;\"><span lang=\"en-GB\"><span>4<\/span><\/span><\/span><span style=\"font-family: Palatino Linotype, serif;\"><span lang=\"en-GB\"><span>, <\/span><\/span><\/span><span style=\"font-family: Palatino Linotype, serif;\"><span lang=\"en-GB\"><span>Strasbourg<\/span><\/span><\/span><span style=\"font-family: Palatino Linotype, serif;\"><span lang=\"en-GB\"><span>.<\/span><\/span><\/span><\/li>\n<li><span><span lang=\"en-GB\"><b>L. Druoton<\/b><\/span><\/span><span><span lang=\"en-GB\"><span><b>, C. Roudet<\/b><\/span><\/span><\/span><span><span lang=\"en-GB\"><span>, <\/span><\/span><\/span><span><span lang=\"en-GB\"><span>C. Gentil.<\/span><\/span><\/span><span><span lang=\"en-GB\"><span> \u201c<em>D\u00e9tection et caract\u00e9risation de singularit\u00e9s de signaux paranalyse en ondelettes sur graphe.<\/em><\/span><\/span><\/span><span><span lang=\"en-GB\"><span>\u201d Rapport de recherche, Sept. 2024.<\/span><\/span><\/span><\/li>\n<li><span><span lang=\"en-GB\"><b>L. Druoton<\/b><\/span><\/span><span><span lang=\"en-GB\"><span><b>, C. Roudet<\/b><\/span><\/span><\/span><span><span lang=\"en-GB\"><span>, <\/span><\/span><\/span><span><span lang=\"en-GB\"><span>C. Gentil.<\/span><\/span><\/span><span><span lang=\"en-GB\"><span> \u201c<em>D\u00e9tection et caract\u00e9risation de singularit\u00e9s de signaux par analyse en ondelettes sur graphe<\/em><\/span><\/span><\/span><span><span lang=\"en-GB\"><span>\u201d In Journ\u00e9es du Groupe de Travail en Mod\u00e9lisation G\u00e9om\u00e9trique (R-<\/span><\/span><\/span><span><span><span lang=\"en-GB\"><span>GTMG), <\/span><\/span><\/span><\/span><span><span><span lang=\"en-GB\"><span>Marseille<\/span><\/span><\/span><\/span><span><span><span lang=\"en-GB\"><span>, Mars 202<\/span><\/span><\/span><\/span><span><span><span lang=\"en-GB\"><span>4<\/span><\/span><\/span><\/span><span><span><span lang=\"en-GB\"><span>.<\/span><\/span><\/span><\/span><\/li>\n<li>M. Janbein, C. Gentil, C. Roudet, C. Poull. <a href=\"https:\/\/hal.science\/hal-04474390\">\u00ab\u00a0<em>Pseudo-Curvature of Fractal Curves for Geometric Control of Roughness.<\/em>\u00ab\u00a0<\/a> <i>In <\/i><span style=\"white-space: pre-wrap;\">VISIGRAPP 19th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications<\/span>, Feb 2024, Rome, Italy. pp.177-188.<\/li>\n<li><span><span lang=\"en-GB\"><span>C. Poull, <\/span><\/span><\/span><span><span lang=\"en-GB\"><span><b>C. Roudet<\/b><\/span><\/span><\/span><span><span lang=\"en-GB\"><span>, <\/span><\/span><\/span><span><span lang=\"en-GB\"><span>M. Roy, C. Gentil.<\/span><\/span><\/span><span><span lang=\"en-GB\"><span> \u201c<\/span><\/span><\/span><a class=\"western\" href=\"https:\/\/gtmg2023.sciencesconf.org\/458949\" target=\"_blank\" rel=\"noopener\"><span><em>M\u00e9thodes de contr\u00f4le de la rugosit\u00e9 \u00e0 partir des propri\u00e9t\u00e9s diff\u00e9rentiels de courbes autosimilaires<\/em><\/span><\/a><span><span lang=\"en-GB\"><span><em>.<\/em>\u201d In Journ\u00e9es du Groupe de Travail en Mod\u00e9lisation G\u00e9om\u00e9trique (<\/span><\/span><\/span><span><span><span lang=\"en-GB\"><span>GTMG), <\/span><\/span><\/span><\/span><span><span><span lang=\"en-GB\"><span>Strasbourg<\/span><\/span><\/span><\/span><span><span><span lang=\"en-GB\"><span>, Mars 202<\/span><\/span><\/span><\/span><span><span><span lang=\"en-GB\"><span>3<\/span><\/span><\/span><\/span><span><span><span lang=\"en-GB\"><span>.<\/span><\/span><\/span><\/span><\/li>\n<li align=\"justify\"><span><span lang=\"en-GB\">M. Janbein, C. Gentil et <\/span><\/span><span><span lang=\"en-GB\"><b>C. Roudet.<\/b><\/span><\/span><span><span lang=\"en-GB\"> \u201c<\/span><\/span><a class=\"western\" href=\"https:\/\/gtmg2023.sciencesconf.org\/458975\" target=\"_blank\" rel=\"noopener\"><span><em>Second Derivative and Curvature of Fractal Curves<\/em><\/span><\/a><span><span lang=\"en-GB\">\u201d. In Journ\u00e9es du <\/span><\/span><span><span lang=\"en-GB\">GTMG, <\/span><\/span><span><span lang=\"en-GB\">Strasbourg<\/span><\/span><span><span lang=\"en-GB\">, Mars 202<\/span><\/span><span><span lang=\"en-GB\">3<\/span><\/span><span><span lang=\"en-GB\">.<\/span><\/span><\/li>\n<li align=\"justify\"><span><span lang=\"en-GB\">C. Poull, M. Janbein, L. Druoton, <\/span><\/span><span><span lang=\"en-GB\"><b>C. Roudet<\/b><\/span><\/span><span><span lang=\"en-GB\">, S. Lanquetin, M. Roy, C. Gentil. <\/span><\/span><span><span lang=\"en-GB\"><i>\u201c<a href=\"https:\/\/hal.science\/hal-03892076\/\">La rugosit\u00e9 des surfaces et ses applications<\/a>.\u201d<\/i><\/span><\/span><span><span lang=\"en-GB\"> Journ<\/span><\/span><span><span lang=\"en-GB\">\u00e9es Fran\u00e7aises d\u2019Informatique Graphique (jFIG) 2022, Bordeaux.<\/span><\/span><\/li>\n<li class=\"western\" align=\"justify\"><span style=\"font-family: Liberation Serif, serif;\"><span>M. Janbein, C. Gentil et <\/span><\/span><span style=\"font-family: Liberation Serif, serif;\"><b>C. Roudet.<\/b><\/span><span style=\"font-family: Liberation Serif, serif;\"><span> <\/span><\/span><span style=\"font-family: Liberation Serif, serif;\"><i><span>\u00ab\u00a0<\/span><\/i><\/span><a href=\"https:\/\/gtmg2021.sciencesconf.org\/350806\"><em><span style=\"font-family: Liberation Serif, serif;\"><span>Differential constraints for iteratively generated curves<\/span><\/span><\/em><\/a><span style=\"font-family: Liberation Serif, serif;\"><i><span>\u00a0\u00bb,<\/span><\/i><\/span><span style=\"font-family: Liberation Serif, serif;\"><span> In Journ\u00e9es du Groupe de Travail en Mod\u00e9lisation G\u00e9om\u00e9trique (<\/span><\/span><span style=\"color: #000000;\"><span style=\"font-family: Liberation Serif, serif;\"><span>GTMG), Palaiseau <\/span><\/span><\/span><span style=\"color: #000000;\"><span style=\"font-family: Liberation Serif, serif;\"><i><span>(via visioconference)<\/span><\/i><\/span><\/span><span style=\"color: #000000;\"><span style=\"font-family: Liberation Serif, serif;\"><span>, Mars 2021.<\/span><\/span><\/span><\/li>\n<li class=\"western\" align=\"justify\"><span style=\"font-family: Liberation Serif, serif;\"><b>C. Roudet<\/b><\/span><span style=\"font-family: Liberation Serif, serif;\"><span> et C. Gentil.<\/span><\/span><span style=\"font-family: Liberation Serif, serif;\"><b> <\/b><\/span><span style=\"font-family: Liberation Serif, serif;\"><i><span>\u00ab <a href=\"https:\/\/gtmg2020.sciencesconf.org\/329478\">Projet Fraclettes : repr\u00e9sentation, analyse et caract\u00e9risation de surfaces rugueuses<\/a> \u00bb<\/span><\/i><\/span><span style=\"font-family: Liberation Serif, serif;\"><span>, In Journ\u00e9es du GTMG, Nancy <\/span><\/span><span style=\"font-family: Liberation Serif, serif;\"><i><span>(via visioconference)<\/span><\/i><\/span><span style=\"font-family: Liberation Serif, serif;\"><span>, France. <\/span><\/span><span style=\"font-family: Liberation Serif, serif;\"><span>Juillet<\/span><\/span><span style=\"font-family: Liberation Serif, serif;\"><span> 2020. <\/span><\/span><a class=\"western\" href=\"https:\/\/www.youtube.com\/watch?v=1aaO-MRvjpE\"><span style=\"color: #000080;\"><span style=\"font-family: Liberation Serif, serif;\"><span lang=\"zxx\"><u>https:\/\/www.youtube.com\/watch?v=1aaO-MRvjpE<\/u><\/span><\/span><\/span><\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Projet ANR JCJC FRACLETTES (Mod\u00e8les FRACtals et analyse en ondeLETTES pour la caract\u00e9risation des \u00e9tats de surfaces) CE46 &#8211; Mod\u00e8les num\u00e9riques, simulation, applications &nbsp; Descriptif succinct Nous partons du constat qu&rsquo;il est souvent difficile, pour un domaine applicatif ou un besoin donn\u00e9, de savoir pr\u00e9cis\u00e9ment quel(s) param\u00e8tre(s) de rugosit\u00e9 relie(nt) la topographie d\u2019une surface aux&hellip;<\/p>\n","protected":false},"author":4085,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1934","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/blog.ube.fr\/fraclettes\/wp-json\/wp\/v2\/pages\/1934","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.ube.fr\/fraclettes\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/blog.ube.fr\/fraclettes\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/blog.ube.fr\/fraclettes\/wp-json\/wp\/v2\/users\/4085"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.ube.fr\/fraclettes\/wp-json\/wp\/v2\/comments?post=1934"}],"version-history":[{"count":22,"href":"https:\/\/blog.ube.fr\/fraclettes\/wp-json\/wp\/v2\/pages\/1934\/revisions"}],"predecessor-version":[{"id":2049,"href":"https:\/\/blog.ube.fr\/fraclettes\/wp-json\/wp\/v2\/pages\/1934\/revisions\/2049"}],"wp:attachment":[{"href":"https:\/\/blog.ube.fr\/fraclettes\/wp-json\/wp\/v2\/media?parent=1934"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}