{"id":4044,"date":"2020-06-15T15:41:49","date_gmt":"2020-06-15T15:41:49","guid":{"rendered":"https:\/\/www.affinite.fr\/index.php\/2020\/06\/15\/facebook-presente-les-resultats-de-son-concours-de-detection-de-deepfakes\/"},"modified":"2020-06-15T15:41:49","modified_gmt":"2020-06-15T15:41:49","slug":"facebook-presente-les-resultats-de-son-concours-de-detection-de-deepfakes","status":"publish","type":"post","link":"http:\/\/www.affinite.fr\/index.php\/2020\/06\/15\/facebook-presente-les-resultats-de-son-concours-de-detection-de-deepfakes\/","title":{"rendered":"Facebook pr\u00e9sente les r\u00e9sultats de son concours de d\u00e9tection de deepfakes"},"content":{"rendered":"<p> [ad_1]<br \/>\n<br \/><img decoding=\"async\" src=\"https:\/\/img.bfmtv.com\/i\/0\/0\/d52\/50b1df840f3ab8dc273b16e2491d8.jpeg\" \/><\/p>\n<div itemprop=\"articleBody\">\n<p>Comment d\u00e9celer au mieux les \u00ab\u00a0deepfakes\u00a0\u00bb\u00a0? Facebook a annonc\u00e9 les r\u00e9sultats de son concours de d\u00e9tection de ces vid\u00e9os truqu\u00e9es, qui mettent\u00a0le plus souvent en sc\u00e8ne des personnalit\u00e9s pour leur faire dire tout et n\u2019importe quoi. Deux gagnants ont \u00e9t\u00e9 d\u00e9sign\u00e9s parmi les 2\u00a0000 participants \u00e0 cette comp\u00e9tition, lanc\u00e9e en septembre 2019.<\/p>\n<p>Pour cela, Facebook a d\u00e9pens\u00e9 10 millions de dollars et embauch\u00e9 plus de 3\u00a0500 acteurs pour produire des milliers de vid\u00e9os repr\u00e9sentant 38,5 jours de donn\u00e9es au total. Deux lots ont \u00e9t\u00e9 constitu\u00e9s. Le premier contenait des donn\u00e9es publiques, le second \u2013 une sorte de bo\u00eete noire \u2013 incluait 10\u00a0000 vid\u00e9os utilisant non seulement le principe du deepfake, mais aussi quelques astuces les rendant plus difficiles \u00e0 d\u00e9tecter.<\/p>\n<h3 style=\"color:#333; font-family:arial,helvetica,sans-serif; font-size:23px; font-weight:700\">Des r\u00e9sultats en open source accessibles \u00e0 tous<\/h3>\n<p>Les ing\u00e9nieurs de Facebook y avaient ajout\u00e9 des fr\u00e9quences d\u2019images inhabituelles ou encore des calques vid\u00e9o suppl\u00e9mentaires. Toutes les vid\u00e9os ont \u00e9t\u00e9 tourn\u00e9es de mani\u00e8re non professionnelle \u2013 au smartphone et sans \u00e9clairage additionnel \u2013 pour coller au mieux aux conditions de tournage r\u00e9aliste d\u2019une vid\u00e9o amateur.<\/p>\n<aside class=\"bg-color-0 padding-inside-all-s bloc border-s\">\n<h4 class=\"box-txt-normal\">\n<p><strong>A d\u00e9couvrir aussi en vid\u00e9o<\/strong><\/p>\n<\/h4>\n<\/aside>\n<p>Sur le premier lot de vid\u00e9os, les mod\u00e8les gagnants, parmi les 35\u00a0000 soumis, ont atteint un taux de d\u00e9tection plut\u00f4t efficace de 82 %. Sur le second lot, plus ardu \u00e0 rep\u00e9rer, les meilleurs mod\u00e8les n\u2019ont pas pu aller plus haut que 65 %. Ces algorithmes ne seront pas utilis\u00e9s exclusivement sur les r\u00e9seaux sociaux de Facebook, mais seront rendus publics en open source pour que n\u2019importe quelle entreprise puisse les utiliser.<\/p>\n<p><strong>Source : <a href=\"https:\/\/www.engadget.com\/facebook-security-deepfake-detection-challenge-150030290.html\" target=\"_blank\" rel=\"noopener noreferrer\">Engadget<\/a><\/strong><\/p>\n<\/p><\/div>\n<p><script>\n         !function(f,b,e,v,n,t,s){if(f.fbq)return;n=f.fbq=function()\n         {n.callMethod? n.callMethod.apply(n,arguments):n.queue.push(arguments)}\n         ;if(!f._fbq)f._fbq=n;\n             n.push=n;n.loaded=!0;n.version='2.0';n.queue=[];t=b.createElement(e);t.async=!0;\n             t.src=v;s=b.getElementsByTagName(e)[0];s.parentNode.insertBefore(t,s)}(window,\n                 document,'script','https:\/\/connect.facebook.net\/en_US\/fbevents.js');\n         fbq('init', '1065890633454496');\n         fbq('track', 'PageView');\n     <\/script><br \/>\n<br \/>[ad_2]<br \/>\n<br \/><a href=\"https:\/\/www.01net.com\/actualites\/facebook-presente-les-resultats-de-son-concours-de-detection-de-deepfakes-1933453.html\">Source link <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] Comment d\u00e9celer au mieux les \u00ab\u00a0deepfakes\u00a0\u00bb\u00a0? Facebook a annonc\u00e9 les r\u00e9sultats de son concours de d\u00e9tection de ces vid\u00e9os &hellip; <a href=\"http:\/\/www.affinite.fr\/index.php\/2020\/06\/15\/facebook-presente-les-resultats-de-son-concours-de-detection-de-deepfakes\/\" class=\"more-link\">Plus <span class=\"screen-reader-text\">Facebook pr\u00e9sente les r\u00e9sultats de son concours de d\u00e9tection de deepfakes<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":4045,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-4044","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tous"],"_links":{"self":[{"href":"http:\/\/www.affinite.fr\/index.php\/wp-json\/wp\/v2\/posts\/4044"}],"collection":[{"href":"http:\/\/www.affinite.fr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.affinite.fr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.affinite.fr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.affinite.fr\/index.php\/wp-json\/wp\/v2\/comments?post=4044"}],"version-history":[{"count":0,"href":"http:\/\/www.affinite.fr\/index.php\/wp-json\/wp\/v2\/posts\/4044\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.affinite.fr\/index.php\/wp-json\/wp\/v2\/media\/4045"}],"wp:attachment":[{"href":"http:\/\/www.affinite.fr\/index.php\/wp-json\/wp\/v2\/media?parent=4044"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.affinite.fr\/index.php\/wp-json\/wp\/v2\/categories?post=4044"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.affinite.fr\/index.php\/wp-json\/wp\/v2\/tags?post=4044"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}