{"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\/nb\/2024\/01\/researchers-from-columbia-university-challenge-fingerprint-assumptions\/","title":{"rendered":"Forskere fra Columbia University utfordrer antagelser om fingeravtrykk"},"content":{"rendered":"<p><b>Forskere fra Columbia University brukte et AI-verkt\u00f8y for \u00e5 utfordre den gamle oppfatningen om at hvert fingeravtrykk er unikt for en persons h\u00e5nd.\u00a0<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Dette <\/span><a href=\"https:\/\/www.engineering.columbia.edu\/news\/ai-discovers-not-every-fingerprint-unique\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">studie<\/span><\/a><span style=\"font-weight: 400;\">En ny studie, som omfatter analyse av 60 000 fingeravtrykk, tyder p\u00e5 at fingeravtrykk fra ulike fingre p\u00e5 samme person kanskje ikke er s\u00e5 distinkte som man tidligere har trodd.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Fingeravtrykk er en ganske vanskelig tilgjengelig del av menneskekroppen, og selv om vi lenge har hatt antakelser om dem - som at ingen fingeravtrykk er like - er de i stor grad ubeviste.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Graham Williams, professor i rettsmedisin ved Hull University, p\u00e5pekte at det aldri har blitt endelig bevist at fingeravtrykk er unike. \"Vi vet faktisk ikke at fingeravtrykk er unike\", sa han.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\"Alt vi kan si, er at s\u00e5 vidt vi vet, har det enn\u00e5 ikke forekommet at to personer har de samme fingeravtrykkene.\" Men noen tilbakeviser til og med dette, eller innr\u00f8mmer i det minste at det mangler bevis i stor skala.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">AI-verkt\u00f8yet, som ble trent opp av Columbia Engineering-teamet, kunne med 75 til 90% n\u00f8yaktighet identifisere om fingeravtrykk fra ulike fingre tilh\u00f8rte samme person.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Dette gir spennende muligheter for b\u00e5de biometri og rettsmedisin. Hvis man for eksempel finner uidentifiserte fingeravtrykk fra ulike fingre p\u00e5 ulike \u00e5steder, kan dette AI-verkt\u00f8yet potensielt knytte dem til samme person, noe som i dag er utenfor rekkevidde for tradisjonelle kriminaltekniske metoder.<\/span><\/p>\n<p><iframe loading=\"lazy\" title=\"AI l\u00e6rer \u00e5 korrelere en persons unike fingeravtrykk\" 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;\">Professor Hod Lipson, en robotforsker ved Columbia University som ledet studien, innr\u00f8mmet at teamet enn\u00e5 ikke hadde forst\u00e5tt AI-ens metoder fullt ut, og sa: \"Vi vet ikke med sikkerhet hvordan AI-en gj\u00f8r det.\"<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Selv om det kan virke bisart, indikerer dette den alltid tilstedev\u00e6rende <a href=\"https:\/\/dailyai.com\/nb\/2024\/01\/researchers-aim-to-determine-how-black-box-drug-discovery-models-work\/\" target=\"_blank\" rel=\"noopener\">\"Black box\"-problemet innen AI<\/a> - er det lettere \u00e5 forst\u00e5 inn- og utdata enn hva som skjer i de viltvoksende nevrale nettverkene.\u00a0<\/span><\/p>\n<h2>Mysterier om fingeravtrykk<\/h2>\n<p><span style=\"font-weight: 400;\">Den kunstige intelligensen ser ut til \u00e5 analysere fingeravtrykk p\u00e5 en annen m\u00e5te, ved \u00e5 fokusere p\u00e5 retningen p\u00e5 rillene i midten av fingeravtrykket, i motsetning til den tradisjonelle metoden der man unders\u00f8ker hvordan de enkelte rillene ender og deler seg - et trekk som kalles minutiae.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\"Det er tydelig at den ikke bruker tradisjonelle mark\u00f8rer som rettsmedisinere har brukt i flere ti\u00e5r\", utdyper Lipson. \"Det virker som om den bruker noe som krumningen og vinkelen p\u00e5 virvlene i midten.\"<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Denne studien har stor betydning for kriminalteknikk og biometrisk sikkerhet. Hvis man for eksempel finner et uidentifisert tommelavtrykk p\u00e5 et \u00e5sted og et uidentifisert pekefingeravtrykk p\u00e5 et annet, kan dette AI-verkt\u00f8yet potensielt knytte disse avtrykkene til samme person.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Columbia-teamet, der ingen av dem har rettsmedisinsk bakgrunn, erkjente imidlertid at det er behov for ytterligere forskning.\u00a0<\/span><\/p>\n<p>Lipson snakket om AIs evne til \u00e5 bryte ned tradisjonelle akademiske kompetansesiloer, og forklarte: \"Mange tror at AI egentlig ikke kan gj\u00f8re nye oppdagelser - at den bare spyr ut kunnskap p\u00e5 nytt.\"<\/p>\n<p>\"Men denne forskningen er et eksempel p\u00e5 hvordan selv en ganske enkel kunstig intelligens, gitt et ganske enkelt datasett som forskningsmilj\u00f8et har hatt liggende i \u00e5revis, kan gi innsikt som ekspertene ikke har f\u00e5tt i flere ti\u00e5r.\"<\/p>\n<p><span style=\"font-weight: 400;\">For \u00e5 forbedre teknologien trenger man mange flere fingeravtrykk fra et mer variert datasett. Teamet bemerket ogs\u00e5 at modellen deres ble utviklet ved hjelp av fullstendige fingeravtrykk av h\u00f8y kvalitet, mens scenarier i den virkelige verden ofte involverer delvise avtrykk eller avtrykk av d\u00e5rlig kvalitet.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Gabe Guo, som er f\u00f8rste\u00e5rsstudent ved Columbia Engineering, understreket de n\u00e5v\u00e6rende begrensningene ved verkt\u00f8yet: \"Verkt\u00f8yet v\u00e5rt er ikke godt nok til \u00e5 avgj\u00f8re bevis i rettssaker, men det er bra til \u00e5 generere ledetr\u00e5der i kriminaltekniske unders\u00f8kelser.\"<\/span><\/p>\n<p>Teamet m\u00e5 sannsynligvis ogs\u00e5 bevise hvordan den kunstige intelligensen oppn\u00e5r resultatene sine hvis den skal ha noen nytteverdi i den virkelige verden.<\/p>\n<p><span style=\"font-weight: 400;\">Studien, som er fagfellevurdert og skal publiseres i tidsskriftet Science Advances (enn\u00e5 ikke publisert da denne artikkelen ble skrevet), representerer et skritt i retning av \u00e5 utfordre mange\u00e5rige antakelser innen fingeravtrykksanalyse, men belyser ogs\u00e5 kompleksiteten som ligger i AI-drevet forskning.<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>Forskere fra Columbia University har brukt et AI-verkt\u00f8y for \u00e5 utfordre den mange\u00e5rige oppfatningen om at hvert fingeravtrykk er unikt for en persons h\u00e5nd.  Studien, som omfatter analyse av 60 000 fingeravtrykk, tyder p\u00e5 at fingeravtrykk fra ulike fingre p\u00e5 samme person kanskje ikke er s\u00e5 distinkte som man tidligere har trodd. Fingeravtrykk er en ganske vanskelig tilgjengelig del av menneskekroppen, og selv om vi lenge har hatt antagelser om dem - som at ingen fingeravtrykk er like - er de i stor grad ubeviste.  Graham Williams, professor i rettsmedisin ved Hull University, bemerker at det aldri har v\u00e6rt mulig \u00e5 bevise at fingeravtrykk er unike. \"Vi<\/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\/nb\/2024\/01\/researchers-from-columbia-university-challenge-fingerprint-assumptions\/\" \/>\n<meta property=\"og:locale\" content=\"nb_NO\" \/>\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\/nb\/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=\"Skrevet av\" \/>\n\t<meta name=\"twitter:data1\" content=\"Sam Jeans\" \/>\n\t<meta name=\"twitter:label2\" content=\"Ansl. lesetid\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutter\" \/>\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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