{"id":82067,"date":"2024-11-06T09:41:08","date_gmt":"2024-11-06T08:41:08","guid":{"rendered":"https:\/\/visionarymarketing.com\/?p=82067"},"modified":"2024-11-06T09:41:05","modified_gmt":"2024-11-06T08:41:05","slug":"norme-c2pa-linkedin-et-la-detection-des-images-creees-par-lia","status":"publish","type":"post","link":"https:\/\/visionarymarketing.com\/fr\/2024\/11\/06\/norme-c2pa-linkedin-et-la-detection-des-images-creees-par-lia\/","title":{"rendered":"Norme C2PA : LinkedIn et la d\u00e9tection des images cr\u00e9\u00e9es par l’IA"},"content":{"rendered":"

J’ai (re)d\u00e9couvert aujourd’hui la norme C2PA<\/strong>, lanc\u00e9e en 2022, en postant l’article du jour sur LinkedIn. Il s’agit d’une nouvelle fonction de d\u00e9tection des images cr\u00e9\u00e9es par l’IA. Comment \u00e7a marche et quelle est l’efficacit\u00e9 de ce dispositif ? Voici l’essentiel.<\/em><\/p>\n

Norme C2PA : LinkedIn d\u00e9tecte (presque) les images cr\u00e9\u00e9es avec l’IA<\/h2>\n
\"d\u00e9tection
D\u00e9tection des images cr\u00e9\u00e9es par l’IA : LiinkedIn a mis en place la norme C2PA… qui n’a pas compris que mon image \u00a0retouch\u00e9e avec Photoshop avait \u00e9t\u00e9 cr\u00e9\u00e9e avec Midjourney<\/figcaption><\/figure>\n

<\/p>\n

Le disposiif C2PA<\/h3>\n

C2PA est l’abr\u00e9viation de \u00ab\u00a0The Coalition for Content Provenance and Authenticity\u00a0\u00bb d\u00e9crit par LinkedIn comme \u00e9tant : \u00ab un projet qui vise \u00e0 d\u00e9velopper des normes techniques pour \u00e9tablir la provenance et l’authenticit\u00e9 des contenus<\/strong>. L’objectif est de permettre aux consommateurs de retracer la source et l’authenticit\u00e9 des contenus m\u00e9diatiques, y compris la d\u00e9tection de l’utilisation d’une IA g\u00e9n\u00e9rative \u00bb.<\/p>\n

\"C2PA
C2PA est un dispositif de d\u00e9tection de l’IA qui r\u00e9sulte de la collaboration de grands acteurs du num\u00e9rique comme Adobe<\/a>, Amazon, la BBC, Google, INtel, Meta, Microsoft, OpenAI, Publicis et Sony.<\/figcaption><\/figure>\n

La norme utilis\u00e9e par le C2PA est une norme ouverte et va dans la bonne direction.<\/p>\n

\"\u00e9l\u00e9gance
J’ai cr\u00e9\u00e9 ce visuel avec Midjourney. En le modifiant avec Photoshop, j’ai sans le vouloir contourn\u00e9 la norme C2PA. Le dispositif de LinkedIn n’a pas rep\u00e9r\u00e9 la v\u00e9ritable provenance de l’image.<\/figcaption><\/figure>\n

Les sp\u00e9cification de la norme ouverte C2PA sont disponibles ici<\/a>. La FAQ consultable sur le site indique la capacit\u00e9 de l’outil \u00e0 d\u00e9tecter la provenance d’une image manipul\u00e9e au travers de plusieurs outils.<\/p>\n

\n
\n

Lorsqu’un contenu est cr\u00e9\u00e9 \u00e0 partir d’une suite d’autres contenus, ces sources sont appel\u00e9es \u00ab\u00a0ingr\u00e9dients\u00a0\u00bb. Chaque ingr\u00e9dient utilis\u00e9 dans le bien (compos\u00e9) est enregistr\u00e9 dans la provenance de ce bien, avec l’ajout de la provenance de chacun de ces ingr\u00e9dients. Ce processus cr\u00e9e une cha\u00eene de provenance qui peut remonter jusqu’\u00e0 la cr\u00e9ation de chaque \u00ab\u00a0ingr\u00e9dient\u00a0\u00bb.<\/p><\/blockquote>\n<\/div>\n<\/div>\n

\n

On sent que la norme C2PA va dans la bonne direction. La complexit\u00e9 du sujet ne garantit pas pour autant une tra\u00e7abilit\u00e9 compl\u00e8te. Comme cela a \u00e9t\u00e9 le cas, somme toute assez banal, d\u00e9crit plus haut. N\u00e9anmoins, on peut esp\u00e9rer qu’elle \u00e9volue dans la bonne direction. Cela permettrait de garantir une transparence accrue sur les contenus et leur provenance, notamment sur les m\u00e9dias soicaux.<\/p>\n

De la transparence sur l’IA chez Visionary Marketing<\/h4>\n

Rappelons, pour le cas de Visionary Marketing, que sauf erreur ou oubli involontaires, nous sp\u00e9cifions toujours et par \u00e9crit la mention de transparence relative \u00e0 la fabrication d’une image. Et dans notre cas, une image produite avec Midjourney, m\u00eame recompos\u00e9e, est une image produite par l’IA. Un point c’est tout. Suivre ce lien pour consulter la charte 100% humain<\/a>.<\/em><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

J’ai (re)d\u00e9couvert aujourd’hui la norme C2PA, lanc\u00e9e en 2022, en postant l’article du jour sur LinkedIn. Il s’agit d’une nouvelle fonction de d\u00e9tection des images cr\u00e9\u00e9es par l’IA. Comment \u00e7a marche et quelle est l’efficacit\u00e9 de ce dispositif ? Voici l’essentiel. Norme C2PA : LinkedIn d\u00e9tecte (presque) les images cr\u00e9\u00e9es avec l’IA Le disposiif C2PA …<\/p>\n","protected":false},"author":2,"featured_media":82069,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5127,25],"tags":[],"class_list":["post-82067","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-breves","category-medias-sociaux"],"yoast_head":"\nNorme C2PA : LinkedIn et la d\u00e9tection des images cr\u00e9\u00e9es par l'IA<\/title>\n<meta name=\"description\" content=\"J'ai (re)d\u00e9couvert aujourd'hui la norme C2PA, lanc\u00e9e en 2022, en postant un article sur LinkedIn. 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En 2014, il est pass\u00e9 d'intrapreneur \u00e0 entrepreneur en cr\u00e9ant son agence de marketing num\u00e9rique.","sameAs":["https:\/\/visionarymarketing.com","http:\/\/facebook.com\/ygourven","http:\/\/linkedin.com\/in\/ygourven","https:\/\/x.com\/ygourven","https:\/\/www.youtube.com\/c\/visionarymarketingagency"],"url":"https:\/\/visionarymarketing.com\/fr\/author\/yann-gourvennec\/"}]}},"_links":{"self":[{"href":"https:\/\/visionarymarketing.com\/fr\/wp-json\/wp\/v2\/posts\/82067","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/visionarymarketing.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/visionarymarketing.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/visionarymarketing.com\/fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/visionarymarketing.com\/fr\/wp-json\/wp\/v2\/comments?post=82067"}],"version-history":[{"count":0,"href":"https:\/\/visionarymarketing.com\/fr\/wp-json\/wp\/v2\/posts\/82067\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/visionarymarketing.com\/fr\/wp-json\/wp\/v2\/media\/82069"}],"wp:attachment":[{"href":"https:\/\/visionarymarketing.com\/fr\/wp-json\/wp\/v2\/media?parent=82067"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/visionarymarketing.com\/fr\/wp-json\/wp\/v2\/categories?post=82067"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/visionarymarketing.com\/fr\/wp-json\/wp\/v2\/tags?post=82067"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}