{"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\/da\/2024\/01\/researchers-from-columbia-university-challenge-fingerprint-assumptions\/","title":{"rendered":"Forskere fra Columbia University udfordrer antagelser om fingeraftryk"},"content":{"rendered":"<p><b>Forskere fra Columbia University brugte et AI-v\u00e6rkt\u00f8j til at udfordre den mange\u00e5rige tro p\u00e5, at hvert fingeraftryk er unikt for en persons h\u00e5nd.\u00a0<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Denne <\/span><a href=\"https:\/\/www.engineering.columbia.edu\/news\/ai-discovers-not-every-fingerprint-unique\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">unders\u00f8gelse<\/span><\/a><span style=\"font-weight: 400;\">som omfattede analyse af 60.000 fingeraftryk, tyder p\u00e5, at aftryk fra forskellige fingre p\u00e5 den samme person m\u00e5ske ikke er s\u00e5 karakteristiske som tidligere antaget.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Fingeraftryk er en ret uh\u00e5ndgribelig del af menneskekroppen, og selv om vi har mange\u00e5rige antagelser om dem - som at ingen menneskers fingeraftryk er ens - er de stort set ubeviste.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Graham Williams, professor i retsmedicinsk videnskab ved Hull University, bem\u00e6rkede, at det aldrig er blevet endeligt bevist, at fingeraftryk er unikke. \"Vi ved faktisk ikke, at fingeraftryk er unikke,\" sagde han.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\"Det eneste, vi kan sige, er, at s\u00e5 vidt vi ved, er der endnu ikke to mennesker, der har vist de samme fingeraftryk.\" Men nogle afviser det endda, eller indr\u00f8mmer i det mindste, at der mangler beviser i stor skala.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">AI-v\u00e6rkt\u00f8jet, der blev tr\u00e6net af Columbia Engineering-teamet, kunne med 75 til 90% n\u00f8jagtighed identificere, om aftryk fra forskellige fingre tilh\u00f8rte den samme person.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Det giver sp\u00e6ndende muligheder for b\u00e5de biometri og retsmedicin. Hvis der f.eks. findes uidentificerede fingeraftryk fra forskellige fingre p\u00e5 forskellige gerningssteder, kan dette AI-v\u00e6rkt\u00f8j potentielt forbinde dem med den samme person, en mulighed, der i \u00f8jeblikket er uden for r\u00e6kkevidde af traditionelle retsmedicinske metoder.<\/span><\/p>\n<p><iframe loading=\"lazy\" title=\"AI l\u00e6rer at korrelere en persons unikke fingeraftryk\" 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 ledede unders\u00f8gelsen, indr\u00f8mmede, at teamet endnu ikke helt forstod AI'ens metoder, og sagde: \"Vi ved ikke med sikkerhed, hvordan AI'en g\u00f8r det.\"<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Selv om det kan virke bizart, indikerer det den allestedsn\u00e6rv\u00e6rende <a href=\"https:\/\/dailyai.com\/da\/2024\/01\/researchers-aim-to-determine-how-black-box-drug-discovery-models-work\/\" target=\"_blank\" rel=\"noopener\">Problemet med den 'sorte boks' i AI<\/a> - Det er lettere at forst\u00e5 input og output end at forst\u00e5, hvad der sker i de vidtforgrenede neurale netv\u00e6rk.\u00a0<\/span><\/p>\n<h2>Mysterier om fingeraftryk<\/h2>\n<p><span style=\"font-weight: 400;\">AI'en ser ud til at analysere fingeraftryk p\u00e5 en anden m\u00e5de, idet den fokuserer p\u00e5 orienteringen af rillerne i midten af fingeraftrykket i mods\u00e6tning til den traditionelle metode, hvor man unders\u00f8ger, hvordan de enkelte riller slutter og deler sig - et tr\u00e6k, der er kendt som minutiae.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\"Det er tydeligt, at den ikke bruger traditionelle mark\u00f8rer, som retsmedicinere har brugt i \u00e5rtier,\" uddyber Lipson. \"Det ser ud til, at den bruger noget i retning af krumningen og vinklen p\u00e5 hvirvlerne i midten.\"<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Konsekvenserne af denne unders\u00f8gelse er vigtige for retsmedicinsk videnskab og biometrisk sikkerhed. Hvis man f.eks. i en kriminalefterforskning finder et uidentificeret tommelfingeraftryk p\u00e5 et gerningssted og et uidentificeret pegefingeraftryk p\u00e5 et andet, kan dette AI-v\u00e6rkt\u00f8j potentielt forbinde disse aftryk med den samme person.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Columbia-holdet, hvoraf ingen har en retsmedicinsk baggrund, erkendte dog, at der er behov for yderligere forskning.\u00a0<\/span><\/p>\n<p>Lipson talte om AI's evne til at nedbryde traditionelle akademiske f\u00e6rdighedssiloer og forklarede: \"Mange mennesker tror, at AI ikke rigtig kan g\u00f8re nye opdagelser - at den bare kaster viden op igen.\"<\/p>\n<p>\"Men denne forskning er et eksempel p\u00e5, hvordan selv en ret simpel kunstig intelligens, givet et ret almindeligt datas\u00e6t, som forskningsmilj\u00f8et har haft liggende i \u00e5revis, kan give indsigt, som eksperter har unddraget sig i \u00e5rtier.\"<\/p>\n<p><span style=\"font-weight: 400;\">For at forfine teknologien skal man bruge mange flere fingeraftryk fra et mere varieret datas\u00e6t. Teamet bem\u00e6rkede ogs\u00e5, at deres model blev udviklet ved hj\u00e6lp af komplette fingeraftryk af h\u00f8j kvalitet, mens scenarier i den virkelige verden ofte involverer delvise fingeraftryk eller fingeraftryk af d\u00e5rlig kvalitet.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Columbia Engineering-studerende Gabe Guo fremh\u00e6vede de nuv\u00e6rende begr\u00e6nsninger ved deres v\u00e6rkt\u00f8j og forklarede: \"Vores v\u00e6rkt\u00f8j er ikke godt nok til at afg\u00f8re beviser i retssager, men det er godt til at generere spor i kriminaltekniske unders\u00f8gelser.\"<\/span><\/p>\n<p>Teamet vil sandsynligvis ogs\u00e5 v\u00e6re n\u00f8dt til at bevise, hvordan AI'en opn\u00e5r sine resultater, hvis den skal kunne bruges i den virkelige verden.<\/p>\n<p><span style=\"font-weight: 400;\">Unders\u00f8gelsen, der er peer-reviewed og skal offentligg\u00f8res i tidsskriftet Science Advances (endnu ikke offentliggjort, da denne artikel blev skrevet), repr\u00e6senterer et skridt i retning af at udfordre mange\u00e5rige antagelser inden for fingeraftryksanalyse, men fremh\u00e6ver ogs\u00e5 de kompleksiteter, der er forbundet med AI-drevet forskning.<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>Forskere fra Columbia University brugte et AI-v\u00e6rkt\u00f8j til at udfordre den mange\u00e5rige tro p\u00e5, at hvert fingeraftryk er unikt for en persons h\u00e5nd.  Unders\u00f8gelsen, der omfattede analyse af 60.000 fingeraftryk, tyder p\u00e5, at aftryk fra forskellige fingre p\u00e5 samme person m\u00e5ske ikke er s\u00e5 karakteristiske, som man tidligere har troet. Fingeraftryk er en ret uh\u00e5ndgribelig del af menneskekroppen, og selv om vi har mange\u00e5rige antagelser om dem - som at to personers fingeraftryk ikke er ens - er de stort set ubeviste.  Graham Williams, professor i retsmedicinsk videnskab ved Hull University, bem\u00e6rkede, at det aldrig er blevet endeligt bevist, at fingeraftryk er unikke. \"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\/da\/2024\/01\/researchers-from-columbia-university-challenge-fingerprint-assumptions\/\" \/>\n<meta property=\"og:locale\" content=\"da_DK\" \/>\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\/da\/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 af\" \/>\n\t<meta name=\"twitter:data1\" content=\"Sam Jeans\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimeret l\u00e6setid\" \/>\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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