{"id":115196,"date":"2022-08-19T22:10:00","date_gmt":"2022-08-19T19:10:00","guid":{"rendered":"https:\/\/life.karpat.in.ua\/?p=115196"},"modified":"2022-08-19T17:07:43","modified_gmt":"2022-08-19T14:07:43","slug":"attores-kozeleg-a-mobilok-piacan-elsoporheti-az-ujjlenyomat-olvasast-es-az-arcfelismerest-is","status":"publish","type":"post","link":"https:\/\/life.karpat.in.ua\/?p=115196&lang=hu","title":{"rendered":"\u00c1tt\u00f6r\u00e9s k\u00f6zeleg a mobilok piac\u00e1n, els\u00f6p\u00f6rheti az ujjlenyomat-olvas\u00e1st, \u00e9s az arcfelismer\u00e9st is"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"633\" src=\"https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2022\/08\/hold-pass-1024x633.jpg\" alt=\"\" class=\"wp-image-115197\" srcset=\"https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2022\/08\/hold-pass-1024x633.jpg 1024w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2022\/08\/hold-pass-300x186.jpg 300w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2022\/08\/hold-pass-768x475.jpg 768w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2022\/08\/hold-pass.jpg 1235w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Az okostelefonokat \u00e9s t\u00e1blag\u00e9peket hossz\u00fa ideje k\u00e9tf\u00e9le m\u00f3dszerrel oldhatja fel a felhaszn\u00e1l\u00f3, de r\u00f6videsen j\u00f6het egy m\u00e9g jobb, \u00e9s m\u00e9g k\u00e9nyelmesebb megold\u00e1s: a k\u00e9zremeg\u00e9s alapj\u00e1n t\u00f6rt\u00e9n\u0151 azonos\u00edt\u00e1s.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c1tt\u00f6r\u00e9shez hasonl\u00f3 eredm\u00e9nyeket siker\u00fclt el\u00e9rnie k\u00e9t int\u00e9zet, a Lille-i Egyetem \u00e9s a Toulouse-i Informatikai Kutat\u00f3int\u00e9zet munkat\u00e1rsainak: egy olyan algoritmust fejlesztettek, ami a finom k\u00e9zremeg\u00e9sek alapj\u00e1n azonos\u00edtja a felhaszn\u00e1l\u00f3t, puszt\u00e1n az\u00e1ltal, hogy megfogja a mobiltelefont.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A&nbsp;<em><a rel=\"noreferrer noopener\" href=\"https:\/\/www.newscientist.com\/article\/2334048-your-smartphone-could-recognise-you-just-by-the-way-you-hold-it\/\" target=\"_blank\">New Atlas<\/a><\/em>&nbsp;szerint az elj\u00e1r\u00e1s 92,5 sz\u00e1zal\u00e9kos pontoss\u00e1ggal m\u0171k\u00f6dik, \u00e9s nagyj\u00e1b\u00f3l m\u00e1sf\u00e9l m\u00e1sodpercnyi id\u0151 alatt megy v\u00e9gbe. Vagyis el\u00e9g gyors, \u00e9s eg\u00e9szen j\u00f3l is m\u0171k\u00f6dik, mik\u00f6zben m\u00e9g csak k\u00eds\u00e9rleti szinten l\u00e9tezik.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A fejleszt\u00e9s azonban nem is ezek miatt t\u0171nik igaz\u00e1n \u00e9rdekesnek: a kutat\u00f3k azt \u00e1ll\u00edtj\u00e1k, hogy a HoldPass \u2013 ahogy a rendszert nevezik \u2013 nem ig\u00e9nyel \u00faj eszk\u00f6z\u00f6ket, vagy szenzorokat, a rendszer a gy\u00e1rt\u00f3szalagr\u00f3l leesett mobiltelefonn\u00e1l is m\u0171k\u00f6dik, m\u00e1rk\u00e1t\u00f3l teljesen f\u00fcggetlen\u00fcl.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Az elj\u00e1r\u00e1s alapja a ballisztokardiogr\u00e1fia, ami a felhaszn\u00e1l\u00f3 sz\u00edvver\u00e9s\u00e9t, illetve az \u00e1ltala keltett vibr\u00e1ci\u00f3t n\u00e9zi, \u00e9rtelmezi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A kutat\u00f3k 217 \u00f6nk\u00e9ntes bevon\u00e1s\u00e1val tesztelt\u00e9k a rendszert, ami szerint\u00fck hat\u00e9konyabb \u00e9s biztons\u00e1gosabb, mint a ma l\u00e9tez\u0151 azonos\u00edt\u00e1si technik\u00e1k \u2013 vagyis az ujjlenyomat \u00e9s az arcfelismer\u00e9s. A technol\u00f3gia ugyanakkor k\u00f6zel sem t\u00f6k\u00e9letes, \u00e9s egyel\u0151re az alapvet\u0151 probl\u00e9m\u00e1kat sem siker\u00fclt kik\u00fcsz\u00f6b\u00f6lni.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ilyen p\u00e9ld\u00e1ul, hogy a technik\u00e1t csakis nyugodt \u00e1llapotban lehet haszn\u00e1lni, mivel az algoritmus azt m\u00e1r nem tudja lek\u00f6vetni, ha a felhaszn\u00e1l\u00f3t esetleg stressz \u00e9ri, \u00e9s emiatt gyorsabb sz\u00edvver\u00e9s jelentkezik. De akkor sem igaz\u00e1n haszn\u00e1lhat\u00f3, ha a mobil tulajdonosa olyan helyen van (mondjuk vonaton, ami eleve r\u00e1zk\u00f3dik), ahol a k\u00fcls\u0151 t\u00e9nyez\u0151k zavarj\u00e1k a jel leolvas\u00e1s\u00e1t. A HoldPassnak ugyanakkor m\u00e1r most megvannak a maga el\u0151nyei. Ezek k\u00f6z\u00e9 sorolhat\u00f3 az is, hogy mind\u00f6ssze 30 m\u00e1sodpercnyi id\u0151 alatt r\u00f6gz\u00edti a k\u00e9zremeg\u00e9seket, ami ut\u00e1n azonnal haszn\u00e1lhat\u00f3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/hvg.hu\/tudomany\/20220818_arcfelismeres_ujjlenyomat_olvaso_kezremeges_mobiltelefon_feloldasa?fbclid=IwAR3STglFB02P8GjiPY_TT1cITaFeiYXlvWcYzBv3nxROB_sua7nsLTIsbFE\" target=\"_blank\" rel=\"noreferrer noopener\">Forr\u00e1s<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Az okostelefonokat \u00e9s t\u00e1blag\u00e9peket hossz\u00fa ideje k\u00e9tf\u00e9le m\u00f3dszerrel oldhatja fel a felhaszn\u00e1l\u00f3, de r\u00f6videsen j\u00f6het egy m\u00e9g jobb, \u00e9s m\u00e9g k\u00e9nyelmesebb megold\u00e1s: a k\u00e9zremeg\u00e9s alapj\u00e1n t\u00f6rt\u00e9n\u0151 azonos\u00edt\u00e1s.<\/p>\n","protected":false},"author":4,"featured_media":115197,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15,41,49,590,598,39],"tags":[232689],"class_list":["post-115196","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-a-nap-hirei","category-cikkek","category-hirek","category-it-hu","category-tudomany","category-vilag","tag-holdpass-technologia"],"_links":{"self":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/115196","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=115196"}],"version-history":[{"count":1,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/115196\/revisions"}],"predecessor-version":[{"id":115222,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/115196\/revisions\/115222"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/media\/115197"}],"wp:attachment":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=115196"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=115196"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=115196"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}