{"id":9116,"date":"2024-01-11T18:43:03","date_gmt":"2024-01-11T18:43:03","guid":{"rendered":"https:\/\/dailyai.com\/?p=9116"},"modified":"2024-01-11T22:07:13","modified_gmt":"2024-01-11T22:07:13","slug":"researchers-from-columbia-university-challenge-fingerprint-assumptions","status":"publish","type":"post","link":"https:\/\/dailyai.com\/fr\/2024\/01\/researchers-from-columbia-university-challenge-fingerprint-assumptions\/","title":{"rendered":"Des chercheurs de l'universit\u00e9 de Columbia remettent en cause les hypoth\u00e8ses sur les empreintes digitales"},"content":{"rendered":"<p><b>Des chercheurs de l'universit\u00e9 de Columbia ont utilis\u00e9 un outil d'intelligence artificielle pour remettre en question la croyance de longue date selon laquelle chaque empreinte digitale est unique \u00e0 la main d'un individu.\u00a0<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Le pr\u00e9sent <\/span><a href=\"https:\/\/www.engineering.columbia.edu\/news\/ai-discovers-not-every-fingerprint-unique\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">\u00e9tude<\/span><\/a><span style=\"font-weight: 400;\">L'analyse de 60 000 empreintes digitales sugg\u00e8re que les empreintes des doigts d'une m\u00eame personne ne sont peut-\u00eatre pas aussi distinctes qu'on le pensait.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Les empreintes digitales sont un \u00e9l\u00e9ment assez insaisissable du corps humain, et bien que nous ayons des hypoth\u00e8ses de longue date \u00e0 leur sujet - comme le fait que les empreintes digitales de deux personnes ne sont pas identiques -, elles sont en grande partie non prouv\u00e9es.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Graham Williams, professeur de police scientifique \u00e0 l'universit\u00e9 de Hull, a fait remarquer que l'unicit\u00e9 des empreintes digitales n'a jamais \u00e9t\u00e9 d\u00e9finitivement prouv\u00e9e. \"Nous ne savons pas vraiment si les empreintes digitales sont uniques\", a-t-il d\u00e9clar\u00e9.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\"Tout ce que nous pouvons dire, c'est qu'\u00e0 notre connaissance, il n'y a jamais eu deux personnes pr\u00e9sentant les m\u00eames empreintes digitales. Mais certains r\u00e9futent m\u00eame cette affirmation, ou du moins admettent l'absence de preuves \u00e0 grande \u00e9chelle.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">L'outil d'IA, form\u00e9 par l'\u00e9quipe d'ing\u00e9nieurs de Columbia, a pu d\u00e9terminer avec une pr\u00e9cision de 75 \u00e0 90% si les empreintes de diff\u00e9rents doigts appartenaient \u00e0 la m\u00eame personne.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Cela ouvre des perspectives int\u00e9ressantes pour la biom\u00e9trie et la police scientifique. Par exemple, si des empreintes non identifi\u00e9es provenant de doigts diff\u00e9rents sont trouv\u00e9es sur des sc\u00e8nes de crime distinctes, cet outil d'IA pourrait potentiellement les relier \u00e0 la m\u00eame personne, une capacit\u00e9 qui d\u00e9passe actuellement les m\u00e9thodes m\u00e9dico-l\u00e9gales traditionnelles.<\/span><\/p>\n<p><iframe loading=\"lazy\" title=\"L&#039;IA apprend \u00e0 corr\u00e9ler les empreintes digitales uniques d&#039;une personne\" width=\"1080\" height=\"608\" src=\"https:\/\/www.youtube.com\/embed\/s5esfRbBc18?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p><span style=\"font-weight: 400;\">Le professeur Hod Lipson, roboticien \u00e0 l'universit\u00e9 de Columbia qui a supervis\u00e9 l'\u00e9tude, a admis que l'\u00e9quipe n'avait pas encore pleinement compris les m\u00e9thodes de l'IA, d\u00e9clarant : \"Nous ne savons pas avec certitude comment l'IA proc\u00e8de\".<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Bien que cela puisse sembler bizarre, cela indique que l'on peut toujours compter sur l'aide de l'Union europ\u00e9enne. <a href=\"https:\/\/dailyai.com\/fr\/2024\/01\/researchers-aim-to-determine-how-black-box-drug-discovery-models-work\/\" target=\"_blank\" rel=\"noopener\">Le probl\u00e8me de la \"bo\u00eete noire\" dans l'IA<\/a> - il est plus facile de comprendre les entr\u00e9es et les sorties que ce qui se passe dans les r\u00e9seaux neuronaux tentaculaires.\u00a0<\/span><\/p>\n<h2>Les myst\u00e8res des empreintes digitales<\/h2>\n<p><span style=\"font-weight: 400;\">L'IA semble analyser les empreintes digitales diff\u00e9remment, en se concentrant sur l'orientation des cr\u00eates au centre de l'empreinte, par opposition \u00e0 la m\u00e9thode traditionnelle qui consiste \u00e0 examiner la fa\u00e7on dont les cr\u00eates individuelles se terminent et s'embo\u00eetent - une caract\u00e9ristique connue sous le nom de \"minuties\".<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\"Il est clair qu'il n'utilise pas les marqueurs traditionnels utilis\u00e9s par la police scientifique depuis des d\u00e9cennies\", a expliqu\u00e9 M. Lipson. \"Il semble qu'il utilise quelque chose comme la courbure et l'angle des tourbillons au centre.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Les implications de cette \u00e9tude sont importantes pour la police scientifique et la s\u00e9curit\u00e9 biom\u00e9trique. Par exemple, dans le cadre d'une enqu\u00eate criminelle, si une empreinte de pouce non identifi\u00e9e est d\u00e9couverte sur une sc\u00e8ne de crime et une empreinte d'index non identifi\u00e9e sur une autre, cet outil d'IA pourrait potentiellement relier ces empreintes \u00e0 la m\u00eame personne.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Toutefois, l'\u00e9quipe de Columbia, dont aucun membre n'a de formation en m\u00e9decine l\u00e9gale, a reconnu la n\u00e9cessit\u00e9 de poursuivre les recherches.\u00a0<\/span><\/p>\n<p>M. Lipson a \u00e9voqu\u00e9 la capacit\u00e9 de l'IA \u00e0 d\u00e9cloisonner les comp\u00e9tences acad\u00e9miques traditionnelles, expliquant que \"beaucoup de gens pensent que l'IA ne peut pas vraiment faire de nouvelles d\u00e9couvertes, qu'elle se contente de r\u00e9gurgiter des connaissances\".<\/p>\n<p>\"Mais cette recherche est un exemple de la mani\u00e8re dont m\u00eame une IA assez simple, \u00e0 partir d'un ensemble de donn\u00e9es assez simple que la communaut\u00e9 des chercheurs poss\u00e8de depuis des ann\u00e9es, peut fournir des informations qui ont \u00e9chapp\u00e9 aux experts pendant des d\u00e9cennies\".<\/p>\n<p><span style=\"font-weight: 400;\">Pour affiner la technologie, il faudrait beaucoup plus d'empreintes digitales provenant d'un ensemble de donn\u00e9es plus diversifi\u00e9. L'\u00e9quipe a \u00e9galement not\u00e9 que son mod\u00e8le a \u00e9t\u00e9 d\u00e9velopp\u00e9 \u00e0 partir d'empreintes compl\u00e8tes et de haute qualit\u00e9, alors que les sc\u00e9narios du monde r\u00e9el impliquent souvent des empreintes partielles ou de mauvaise qualit\u00e9.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Gabe Guo, \u00e9tudiant de premier cycle en ing\u00e9nierie \u00e0 Columbia, a soulign\u00e9 les limites actuelles de son outil, en expliquant : \"Notre outil n'est pas assez performant pour d\u00e9terminer les preuves dans les affaires judiciaires, mais il est bon pour g\u00e9n\u00e9rer des pistes dans les enqu\u00eates m\u00e9dico-l\u00e9gales.\"<\/span><\/p>\n<p>L'\u00e9quipe devrait \u00e9galement prouver comment l'IA obtient ses r\u00e9sultats si elle devait avoir une quelconque utilit\u00e9 dans le monde r\u00e9el.<\/p>\n<p><span style=\"font-weight: 400;\">L'\u00e9tude, qui a fait l'objet d'un examen par les pairs et doit \u00eatre publi\u00e9e dans la revue Science Advances (pas encore publi\u00e9e au moment de la r\u00e9daction de cet article), repr\u00e9sente une \u00e9tape dans la remise en question des hypoth\u00e8ses de longue date en mati\u00e8re d'analyse des empreintes digitales, mais elle met \u00e9galement en \u00e9vidence les complexit\u00e9s inh\u00e9rentes \u00e0 la recherche fond\u00e9e sur l'IA.<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>Des chercheurs de l'universit\u00e9 de Columbia ont utilis\u00e9 un outil d'intelligence artificielle pour remettre en question la croyance de longue date selon laquelle chaque empreinte digitale est unique \u00e0 la main d'un individu.  Cette \u00e9tude, qui porte sur l'analyse de 60 000 empreintes digitales, sugg\u00e8re que les empreintes des diff\u00e9rents doigts d'une m\u00eame personne pourraient ne pas \u00eatre aussi distinctes qu'on le pensait. Les empreintes digitales sont un \u00e9l\u00e9ment assez insaisissable du corps humain, et bien que nous ayons des hypoth\u00e8ses de longue date \u00e0 leur sujet - comme le fait que les empreintes digitales de deux personnes ne sont pas identiques -, elles ne sont pas prouv\u00e9es pour l'essentiel.  Graham Williams, professeur de police scientifique \u00e0 l'universit\u00e9 de Hull, note que le caract\u00e8re unique des empreintes digitales n'a jamais \u00e9t\u00e9 d\u00e9finitivement prouv\u00e9. \"Nous<\/p>","protected":false},"author":2,"featured_media":9117,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[88],"tags":[519,105],"class_list":["post-9116","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ethics","tag-forensics","tag-machine-learning"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Researchers from Columbia University challenge fingerprint assumptions | DailyAI<\/title>\n<meta name=\"description\" content=\"Researchers from Columbia University used an AI tool to challenge the long-standing belief that each fingerprint is unique to an individual&#039;s hand.\u00a0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/dailyai.com\/fr\/2024\/01\/researchers-from-columbia-university-challenge-fingerprint-assumptions\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Researchers from Columbia University challenge fingerprint assumptions | DailyAI\" \/>\n<meta property=\"og:description\" content=\"Researchers from Columbia University used an AI tool to challenge the long-standing belief that each fingerprint is unique to an individual&#039;s hand.\u00a0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/dailyai.com\/fr\/2024\/01\/researchers-from-columbia-university-challenge-fingerprint-assumptions\/\" \/>\n<meta property=\"og:site_name\" content=\"DailyAI\" \/>\n<meta property=\"article:published_time\" content=\"2024-01-11T18:43:03+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-01-11T22:07:13+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/dailyai.com\/wp-content\/uploads\/2024\/01\/shutterstock_2123875418.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"667\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Sam Jeans\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@DailyAIOfficial\" \/>\n<meta name=\"twitter:site\" content=\"@DailyAIOfficial\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Sam Jeans\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"NewsArticle\",\"@id\":\"https:\\\/\\\/dailyai.com\\\/2024\\\/01\\\/researchers-from-columbia-university-challenge-fingerprint-assumptions\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/dailyai.com\\\/2024\\\/01\\\/researchers-from-columbia-university-challenge-fingerprint-assumptions\\\/\"},\"author\":{\"name\":\"Sam Jeans\",\"@id\":\"https:\\\/\\\/dailyai.com\\\/#\\\/schema\\\/person\\\/711e81f945549438e8bbc579efdeb3c9\"},\"headline\":\"Researchers from Columbia University challenge fingerprint assumptions\",\"datePublished\":\"2024-01-11T18:43:03+00:00\",\"dateModified\":\"2024-01-11T22:07:13+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/dailyai.com\\\/2024\\\/01\\\/researchers-from-columbia-university-challenge-fingerprint-assumptions\\\/\"},\"wordCount\":640,\"publisher\":{\"@id\":\"https:\\\/\\\/dailyai.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/dailyai.com\\\/2024\\\/01\\\/researchers-from-columbia-university-challenge-fingerprint-assumptions\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/dailyai.com\\\/wp-content\\\/uploads\\\/2024\\\/01\\\/shutterstock_2123875418.jpg\",\"keywords\":[\"Forensics\",\"machine learning\"],\"articleSection\":[\"Ethics &amp; 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