{"id":7850,"date":"2026-04-29T15:46:30","date_gmt":"2026-04-29T13:46:30","guid":{"rendered":"https:\/\/www.esme.fr\/recherche\/?p=7850"},"modified":"2026-06-23T15:46:45","modified_gmt":"2026-06-23T13:46:45","slug":"muhammad-talha-waqas-presente-ses-travaux-a-isbi-2026-sur-la-classification-des-tumeurs-hepatiques","status":"publish","type":"post","link":"https:\/\/www.esme.fr\/recherche\/2026\/04\/29\/muhammad-talha-waqas-presente-ses-travaux-a-isbi-2026-sur-la-classification-des-tumeurs-hepatiques\/","title":{"rendered":"Muhammad Talha Waqas pr\u00e9sente ses travaux \u00e0 ISBI 2026 sur la classification des tumeurs h\u00e9patiques"},"content":{"rendered":"\n<p>Muhammad Talha Waqas, enseignant-chercheur \u00e0 l\u2019ESME, a pr\u00e9sent\u00e9 ses travaux lors de la conf\u00e9rence <strong>ISBI 2026 (Londres, avril 2026)<\/strong> en pr\u00e9sentation orale, autour de l\u2019am\u00e9lioration de la classification multi-classes des tumeurs primitives du foie en IRM.<\/p>\n\n\n\n<p>Cette \u00e9tude constitue une extension de ses travaux pr\u00e9c\u00e9dents, avec deux \u00e9volutions majeures : l\u2019exploitation des quatre phases d\u2019IRM (art\u00e9rielle, porto-veineuse, veineuse et tardive) et la mise en place d\u2019un mod\u00e8le multi-phase plus avanc\u00e9 bas\u00e9 sur un ResNet 3D l\u00e9ger, utilisant un encodeur partag\u00e9 et une fusion des repr\u00e9sentations via une t\u00eate de classification commune. La cohorte analys\u00e9e comprenait 147 patients, soit 546 volumes IRM 3D.<\/p>\n\n\n\n<p>Les r\u00e9sultats confirment et renforcent les conclusions initiales, montrant que l\u2019int\u00e9gration du contexte anatomique am\u00e9liore significativement les performances du mod\u00e8le, avec un gain de +23,9 % du rappel macro moyen. L\u2019impact est particuli\u00e8rement marqu\u00e9 sur les classes minoritaires, dont la d\u00e9tection est fortement am\u00e9lior\u00e9e, notamment pour les formes les plus rares. Le mod\u00e8le avec contexte identifie en moyenne davantage de classes par patient, traduisant une meilleure capacit\u00e9 de g\u00e9n\u00e9ralisation.<\/p>\n\n\n\n<p>La validation statistique confirme la robustesse de ces r\u00e9sultats, mettant en \u00e9vidence des gains significatifs et une am\u00e9lioration nette des performances globales du mod\u00e8le.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Muhammad Talha Waqas, enseignant-chercheur \u00e0 l\u2019ESME, a pr\u00e9sent\u00e9 ses travaux lors de la conf\u00e9rence ISBI 2026 (Londres, avril 2026) en pr\u00e9sentation orale, autour de l\u2019am\u00e9lioration de la classification multi-classes des tumeurs primitives du foie en IRM. Cette \u00e9tude constitue une extension de ses travaux pr\u00e9c\u00e9dents, avec deux \u00e9volutions majeures : l\u2019exploitation des quatre phases d\u2019IRM [&hellip;]<\/p>\n","protected":false},"author":15,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-7850","post","type-post","status-publish","format-standard","hentry","category-non-classe"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.8 (Yoast SEO v27.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Muhammad Talha Waqas pr\u00e9sente ses travaux \u00e0 ISBI 2026 sur la classification des tumeurs h\u00e9patiques -<\/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.esme.fr\/recherche\/2026\/04\/29\/muhammad-talha-waqas-presente-ses-travaux-a-isbi-2026-sur-la-classification-des-tumeurs-hepatiques\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Muhammad Talha Waqas pr\u00e9sente ses travaux \u00e0 ISBI 2026 sur la classification des tumeurs h\u00e9patiques\" \/>\n<meta property=\"og:description\" content=\"Muhammad Talha Waqas, enseignant-chercheur \u00e0 l\u2019ESME, a pr\u00e9sent\u00e9 ses travaux lors de la conf\u00e9rence ISBI 2026 (Londres, avril 2026) en pr\u00e9sentation orale, autour de l\u2019am\u00e9lioration de la classification multi-classes des tumeurs primitives du foie en IRM. Cette \u00e9tude constitue une extension de ses travaux pr\u00e9c\u00e9dents, avec deux \u00e9volutions majeures : l\u2019exploitation des quatre phases d\u2019IRM [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.esme.fr\/recherche\/2026\/04\/29\/muhammad-talha-waqas-presente-ses-travaux-a-isbi-2026-sur-la-classification-des-tumeurs-hepatiques\/\" \/>\n<meta property=\"article:published_time\" content=\"2026-04-29T13:46:30+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-06-23T13:46:45+00:00\" \/>\n<meta name=\"author\" content=\"ekaterina\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"ekaterina\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" 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