{"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\/sv\/2024\/01\/researchers-from-columbia-university-challenge-fingerprint-assumptions\/","title":{"rendered":"Forskare fr\u00e5n Columbia University ifr\u00e5gas\u00e4tter antaganden om fingeravtryck"},"content":{"rendered":"<p><b>Forskare fr\u00e5n Columbia University anv\u00e4nde ett AI-verktyg f\u00f6r att utmana den l\u00e5ngvariga uppfattningen att varje fingeravtryck \u00e4r unikt f\u00f6r en individs hand.\u00a0<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Detta <\/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;\">som omfattade analys av 60.000 fingeravtryck, tyder p\u00e5 att avtryck fr\u00e5n olika fingrar p\u00e5 samma person kanske inte \u00e4r s\u00e5 distinkta som man tidigare trott.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Fingeravtryck \u00e4r en ganska sv\u00e5rf\u00e5ngad del av m\u00e4nniskokroppen, och \u00e4ven om vi sedan l\u00e4nge har antaganden om dem - som att ingen m\u00e4nniskas fingeravtryck \u00e4r det andra likt - \u00e4r de i stort sett obevisade.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Graham Williams, professor i forensisk vetenskap vid Hull University, konstaterade att fingeravtrycks unika karakt\u00e4r aldrig har kunnat bevisas slutgiltigt. \"Vi vet faktiskt inte att fingeravtryck \u00e4r unika\", s\u00e4ger han.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\"Allt vi kan s\u00e4ga \u00e4r att s\u00e5vitt vi vet har \u00e4nnu inte tv\u00e5 personer uppvisat samma fingeravtryck.\" Men vissa tillbakavisar till och med detta, eller erk\u00e4nner \u00e5tminstone att det saknas storskaliga bevis.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">AI-verktyget, som utbildats av Columbia Engineering-teamet, kunde med 75 till 90% noggrannhet identifiera om avtryck fr\u00e5n olika fingrar tillh\u00f6rde samma person.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Detta skapar sp\u00e4nnande m\u00f6jligheter f\u00f6r b\u00e5de biometri och kriminalteknik. Om till exempel oidentifierade fingeravtryck fr\u00e5n olika fingrar hittas p\u00e5 olika brottsplatser, skulle AI-verktyget potentiellt kunna koppla dem till samma person, n\u00e5got som idag inte \u00e4r m\u00f6jligt med traditionella kriminaltekniska metoder.<\/span><\/p>\n<p><iframe loading=\"lazy\" title=\"AI l\u00e4r sig att korrelera en persons unika fingeravtryck\" 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 robotiker vid Columbia University som \u00f6vervakade studien, medgav att teamet \u00e4nnu inte helt f\u00f6rstod AI: s metoder och sa: \"Vi vet inte s\u00e4kert hur AI g\u00f6r det.\"<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Det kan tyckas bisarrt, men det visar p\u00e5 den st\u00e4ndigt n\u00e4rvarande <a href=\"https:\/\/dailyai.com\/sv\/2024\/01\/researchers-aim-to-determine-how-black-box-drug-discovery-models-work\/\" target=\"_blank\" rel=\"noopener\">Problem med \"svarta l\u00e5dor\" inom AI<\/a> - det \u00e4r l\u00e4ttare att f\u00f6rst\u00e5 in- och utdata \u00e4n vad som h\u00e4nder i spretiga neurala n\u00e4tverk.\u00a0<\/span><\/p>\n<h2>Mysterier kring fingeravtryck<\/h2>\n<p><span style=\"font-weight: 400;\">AI:t verkar analysera fingeravtryck p\u00e5 ett annat s\u00e4tt och fokuserar p\u00e5 riktningen p\u00e5 \u00e5sarna i fingeravtryckets mitt, i motsats till den traditionella metoden att unders\u00f6ka hur enskilda \u00e5sar slutar och f\u00f6rgrenar sig - en funktion som kallas minutiae.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\"Det \u00e4r tydligt att den inte anv\u00e4nder traditionella mark\u00f6rer som kriminaltekniker har anv\u00e4nt i \u00e5rtionden\", utvecklade Lipson. \"Det verkar som om den anv\u00e4nder n\u00e5got som kr\u00f6kningen och vinkeln p\u00e5 virvlarna i mitten.\"<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Konsekvenserna av denna studie \u00e4r betydande f\u00f6r kriminaltekniken och den biometriska s\u00e4kerheten. Om man till exempel i en brottsutredning hittar ett oidentifierat tumavtryck p\u00e5 en brottsplats och ett oidentifierat pekfingeravtryck p\u00e5 en annan, skulle AI-verktyget potentiellt kunna koppla dessa avtryck till samma person.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Columbia-teamet, som inte har n\u00e5gon kriminalteknisk bakgrund, erk\u00e4nde dock behovet av ytterligare forskning.\u00a0<\/span><\/p>\n<p>Lipson talade om AI:s f\u00f6rm\u00e5ga att bryta ner traditionella akademiska kunskapssilos och f\u00f6rklarade: \"M\u00e5nga tror att AI inte riktigt kan g\u00f6ra nya uppt\u00e4ckter - att det bara \u00e5terger kunskap.\"<\/p>\n<p>\"Men den h\u00e4r forskningen \u00e4r ett exempel p\u00e5 hur \u00e4ven en ganska enkel AI, givet ett ganska enkelt dataset som forskarsamh\u00e4llet har haft liggande i \u00e5ratal, kan ge insikter som har g\u00e4ckat experter i \u00e5rtionden.\"<\/p>\n<p><span style=\"font-weight: 400;\">F\u00f6r att f\u00f6rfina tekniken skulle man beh\u00f6va m\u00e5nga fler fingeravtryck fr\u00e5n ett mer varierat dataset. Teamet noterade ocks\u00e5 att deras modell utvecklades med hj\u00e4lp av fullst\u00e4ndiga fingeravtryck av h\u00f6g kvalitet, medan scenarier i verkligheten ofta involverar partiella fingeravtryck eller fingeravtryck av d\u00e5lig kvalitet.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Gabe Guo, seniorstudent p\u00e5 Columbia Engineering, belyste de nuvarande begr\u00e4nsningarna i deras verktyg och f\u00f6rklarade: \"V\u00e5rt verktyg \u00e4r inte tillr\u00e4ckligt bra f\u00f6r att avg\u00f6ra bevis i r\u00e4ttsfall, men det \u00e4r bra f\u00f6r att generera ledtr\u00e5dar i kriminaltekniska utredningar.\"<\/span><\/p>\n<p>Teamet skulle sannolikt ocks\u00e5 beh\u00f6va bevisa hur AI:n uppn\u00e5r sina resultat om den skulle ha n\u00e5gon verklig nytta.<\/p>\n<p><span style=\"font-weight: 400;\">Studien, som \u00e4r peer-review-granskad och kommer att publiceras i tidskriften Science Advances (\u00e4nnu inte publicerad n\u00e4r denna artikel skrevs), \u00e4r ett steg mot att utmana gamla antaganden inom fingeravtrycksanalys, men belyser ocks\u00e5 komplexiteten i AI-driven forskning.<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>Forskare fr\u00e5n Columbia University har anv\u00e4nt ett AI-verktyg f\u00f6r att utmana den gamla uppfattningen att varje fingeravtryck \u00e4r unikt f\u00f6r en persons hand.  Studien, som omfattar analys av 60.000 fingeravtryck, tyder p\u00e5 att avtryck fr\u00e5n olika fingrar p\u00e5 samma person kanske inte \u00e4r s\u00e5 distinkta som man tidigare trott. Fingeravtryck \u00e4r en ganska sv\u00e5rf\u00e5ngad del av m\u00e4nniskokroppen, och \u00e4ven om vi sedan l\u00e4nge har antaganden om dem - som att tv\u00e5 personers fingeravtryck inte \u00e4r likadana - \u00e4r de i stort sett obevisade.  Graham Williams, professor i forensisk vetenskap vid Hull University, konstaterade att fingeravtryckens unika egenskaper aldrig har kunnat bevisas slutgiltigt. \"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\/sv\/2024\/01\/researchers-from-columbia-university-challenge-fingerprint-assumptions\/\" \/>\n<meta property=\"og:locale\" content=\"sv_SE\" \/>\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\/sv\/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=\"Skriven av\" \/>\n\t<meta name=\"twitter:data1\" content=\"Sam Jeans\" \/>\n\t<meta name=\"twitter:label2\" content=\"Ber\u00e4knad l\u00e4stid\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minuter\" \/>\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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