﻿{"id":9259,"date":"2023-09-20T14:55:47","date_gmt":"2023-09-20T06:55:47","guid":{"rendered":"https:\/\/hfsecurity.cn\/?p=9259"},"modified":"2023-12-05T15:18:37","modified_gmt":"2023-12-05T07:18:37","slug":"how-a-biometric-fingerprint-scanner-works","status":"publish","type":"post","link":"https:\/\/hfsecurity.cn\/fr\/comment-fonctionne-un-scanner-d-empreintes-biometriques\/","title":{"rendered":"Comment fonctionne un scanner biom\u00e9trique d&#039;empreintes digitales"},"content":{"rendered":"<p class=\"has-medium-font-size\">La technologie biom\u00e9trique est devenue un domaine important dans la soci\u00e9t\u00e9 moderne, dont l&#039;identification biom\u00e9trique par scanner d&#039;empreintes digitales est l&#039;une des formes les plus courantes et les plus utilis\u00e9es.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"has-medium-font-size\"> En tant qu&#039;\u00e9l\u00e9ment cl\u00e9 de la technologie biom\u00e9trique, les scanners d&#039;empreintes digitales nous aident \u00e0 am\u00e9liorer la s\u00e9curit\u00e9 et la commodit\u00e9 en capturant et en analysant les caract\u00e9ristiques uniques des empreintes digitales humaines. <\/p>\n\n\n\n<p class=\"has-medium-font-size\">Cet article examinera en profondeur le fonctionnement des scanners biom\u00e9triques d\u2019empreintes digitales et leurs applications dans divers domaines, tout en examinant \u00e9galement les probl\u00e8mes de s\u00e9curit\u00e9 et de confidentialit\u00e9 ainsi que les perspectives de d\u00e9veloppement futur.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-part-one-fingerprint-scanner-basics\">Premi\u00e8re partie\u00a0: principes de base du scanner d&#039;empreintes digitales<\/h2>\n\n\n\n<p class=\"has-medium-font-size\">Les empreintes digitales sont largement reconnues comme une caract\u00e9ristique biom\u00e9trique unique et infalsifiable. Les empreintes digitales de chacun sont uniques car leur formation est influenc\u00e9e par les plis et la texture de la peau. <\/p>\n\n\n\n<p>Ces caract\u00e9ristiques se d\u00e9veloppent au cours de la vie embryonnaire et restent inchang\u00e9es tout au long de la vie. La reconnaissance des empreintes digitales remonte \u00e0 l\u2019Antiquit\u00e9, mais la technologie moderne en a fait un outil puissant utilis\u00e9 dans diverses applications, depuis les enqu\u00eates criminelles jusqu\u2019\u00e0 la v\u00e9rification d\u2019identit\u00e9.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Deuxi\u00e8me partie\u00a0: Comment fonctionne le scanner d&#039;empreintes digitales<\/h2>\n\n\n\n<p class=\"has-medium-font-size\">Comment un <a href=\"https:\/\/hfsecurity.cn\/fr\/scanner-dempreintes-digitales-a-ultrasons\/\">scanner d&#039;empreintes digitales<\/a> Les travaux impliquent plusieurs composants cl\u00e9s, notamment des capteurs, des unit\u00e9s de traitement d\u2019images et des algorithmes biom\u00e9triques.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Capteur: <\/h3>\n\n\n\n<p class=\"has-medium-font-size\">Les capteurs d\u2019empreintes digitales capturent g\u00e9n\u00e9ralement les images d\u2019empreintes digitales de mani\u00e8re optique ou capacitive. Les capteurs optiques utilisent une source de lumi\u00e8re et une lentille pour projeter de la lumi\u00e8re sur l&#039;empreinte digitale et g\u00e9n\u00e9rer une image en recevant la lumi\u00e8re r\u00e9fl\u00e9chie. Les capteurs capacitifs cr\u00e9ent des images en mesurant les changements de capacit\u00e9 sur l&#039;empreinte digitale. Ces capteurs capturent les moindres d\u00e9tails des empreintes digitales, notamment les plis, les rainures et les espaces.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Unit\u00e9 de traitement d&#039;images\u00a0: <\/h3>\n\n\n\n<p class=\"has-medium-font-size\">Une fois l\u2019image de l\u2019empreinte digitale captur\u00e9e par le capteur, l\u2019unit\u00e9 de traitement d\u2019image traite et stocke l\u2019image. Ce processus comprend l&#039;extraction de points caract\u00e9ristiques, o\u00f9 le syst\u00e8me identifie les caract\u00e9ristiques cl\u00e9s de l&#039;empreinte digitale, telles que les points de bifurcation et les points finaux. Ces points caract\u00e9ristiques sont ensuite utilis\u00e9s pour cr\u00e9er un mod\u00e8le d\u2019empreinte digitale unique, g\u00e9n\u00e9ralement stock\u00e9 sous forme crypt\u00e9e.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Algorithme biom\u00e9trique\u00a0: <\/h3>\n\n\n\n<p class=\"has-medium-font-size\">Les scanners d&#039;empreintes digitales utilisent des algorithmes biom\u00e9triques pour comparer les images d&#039;empreintes digitales captur\u00e9es avec des mod\u00e8les d&#039;empreintes digitales pr\u00e9c\u00e9demment stock\u00e9s dans une base de donn\u00e9es. Ce processus implique une correspondance de mod\u00e8les, qui d\u00e9termine une correspondance en calculant la similarit\u00e9 des empreintes digitales. Si la correspondance r\u00e9ussit, le syst\u00e8me confirmera l\u2019identit\u00e9 ou autorisera l\u2019acc\u00e8s.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/hfsecurity.cn\/wp-content\/uploads\/2022\/03\/9.webp\" alt=\"Scanner capacitif d&#039;empreintes digitales HF7000\" class=\"wp-image-1186\" srcset=\"https:\/\/hfsecurity.cn\/wp-content\/uploads\/2022\/03\/9.webp 800w, https:\/\/hfsecurity.cn\/wp-content\/uploads\/2022\/03\/9-300x300.webp 300w, https:\/\/hfsecurity.cn\/wp-content\/uploads\/2022\/03\/9-150x150.webp 150w, https:\/\/hfsecurity.cn\/wp-content\/uploads\/2022\/03\/9-768x768.webp 768w, https:\/\/hfsecurity.cn\/wp-content\/uploads\/2022\/03\/9-600x600.webp 600w, https:\/\/hfsecurity.cn\/wp-content\/uploads\/2022\/03\/9-100x100.webp 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">Scanner d&#039;empreintes digitales RFID HF7000<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Partie 3 : Domaines d&#039;application<\/h2>\n\n\n\n<p class=\"has-medium-font-size\">Les scanners biom\u00e9triques d\u2019empreintes digitales ont un large \u00e9ventail d\u2019applications dans divers domaines, notamment :<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">D\u00e9verrouillage du t\u00e9l\u00e9phone portable\u00a0: <\/h3>\n\n\n\n<p class=\"has-medium-font-size\">Les smartphones modernes utilisent largement la technologie de reconnaissance d&#039;empreintes digitales, permettant aux utilisateurs de d\u00e9verrouiller leur t\u00e9l\u00e9phone de mani\u00e8re pratique et s\u00e9curis\u00e9e et d&#039;autoriser des op\u00e9rations telles que les paiements.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Syst\u00e8mes de contr\u00f4le d&#039;acc\u00e8s\u00a0: <\/h3>\n\n\n\n<p class=\"has-medium-font-size\">Les syst\u00e8mes de contr\u00f4le d&#039;acc\u00e8s des entreprises, des \u00e9coles et des r\u00e9sidences utilisent la technologie de reconnaissance d&#039;empreintes digitales pour am\u00e9liorer les mesures de s\u00e9curit\u00e9 physique et garantir que seul le personnel autoris\u00e9 a acc\u00e8s \u00e0 des zones sp\u00e9cifiques.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"Scanner d&#039;empreintes digitales Bluetooth en option HFSECURITY type C\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/SWSRGH66OZc?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>\n<\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">La s\u00e9curit\u00e9 des fronti\u00e8res: <\/h3>\n\n\n\n<p class=\"has-medium-font-size\">Les scanners biom\u00e9triques d&#039;empreintes digitales sont utilis\u00e9s aux fronti\u00e8res internationales et dans les a\u00e9roports pour acc\u00e9l\u00e9rer l&#039;identification des passagers et am\u00e9liorer la s\u00e9curit\u00e9 aux fronti\u00e8res.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Sciences m\u00e9dico-l\u00e9gales\u00a0: <\/h3>\n\n\n\n<p class=\"has-medium-font-size\">Les empreintes digitales sont largement utilis\u00e9es dans les preuves et les enqu\u00eates criminelles sur les sc\u00e8nes de crime et dans les tribunaux pour aider \u00e0 r\u00e9soudre des crimes.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Partie 4\u00a0:\u00a0Probl\u00e8mes de s\u00e9curit\u00e9 et de confidentialit\u00e9<\/h2>\n\n\n\n<p class=\"has-medium-font-size\">Bien que <a href=\"https:\/\/hfsecurity.cn\/fr\/hfsecurity-biometrique-scanner-dempreintes-digitales\/\">scanners biom\u00e9triques d&#039;empreintes digitales <\/a>offrent un haut niveau de s\u00e9curit\u00e9, il existe certains probl\u00e8mes de s\u00e9curit\u00e9 et de confidentialit\u00e9. Pour r\u00e9soudre ces probl\u00e8mes, les scanners d&#039;empreintes digitales modernes utilisent plusieurs mesures de s\u00e9curit\u00e9 telles que le cryptage des donn\u00e9es et la s\u00e9curit\u00e9 du stockage. <\/p>\n\n\n\n<p class=\"has-medium-font-size\">Cependant, les probl\u00e8mes de confidentialit\u00e9 et l&#039;abus de donn\u00e9es n\u00e9cessitent toujours une attention et une r\u00e9glementation pour garantir que la s\u00e9curit\u00e9 des donn\u00e9es et les droits \u00e0 la vie priv\u00e9e des utilisateurs ne soient pas viol\u00e9s.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Partie 5\u00a0: D\u00e9veloppement futur<\/h2>\n\n\n\n<p class=\"has-medium-font-size\">La technologie des scanners biom\u00e9triques d\u2019empreintes digitales continuera d\u2019\u00e9voluer \u00e0 l\u2019avenir. Les technologies \u00e9mergentes, telles que la num\u00e9risation d\u2019empreintes digitales 3D et la fusion biom\u00e9trique, promettent d\u2019am\u00e9liorer la pr\u00e9cision et la s\u00e9curit\u00e9. La biom\u00e9trie jouera \u00e9galement un r\u00f4le plus important dans de nombreux secteurs, notamment les villes intelligentes, la sant\u00e9 et la finance, en offrant un plus large \u00e9ventail de mesures d&#039;authentification et de s\u00e9curit\u00e9.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">en conclusion<\/h2>\n\n\n\n<p class=\"has-medium-font-size\"><a href=\"http:\/\/www.hfteco.com\" target=\"_blank\" rel=\"noreferrer noopener\">Scanners biom\u00e9triques d&#039;empreintes digitales<\/a>, un \u00e9l\u00e9ment cl\u00e9 de la technologie biom\u00e9trique moderne, ont fait des progr\u00e8s significatifs en mati\u00e8re de s\u00e9curit\u00e9 et de commodit\u00e9. <\/p>\n\n\n\n<p class=\"has-medium-font-size\">Cependant, \u00e0 mesure que la technologie continue d\u2019\u00e9voluer, nous devons continuer \u00e0 pr\u00eater attention aux probl\u00e8mes de s\u00e9curit\u00e9 et de confidentialit\u00e9 et garantir que la technologie est utilis\u00e9e l\u00e9galement.<\/p>\n\n\n\n<p class=\"has-medium-font-size\"> \u00c0 l&#039;avenir, la technologie biom\u00e9trique continuera de promouvoir le progr\u00e8s scientifique et technologique et d&#039;apporter plus d&#039;innovation et de commodit\u00e9 \u00e0 notre soci\u00e9t\u00e9. <\/p>\n\n\n\n<p class=\"has-medium-font-size\">Par cons\u00e9quent, nous devons pr\u00eater activement attention au d\u00e9veloppement de ce domaine et soutenir la recherche et les mesures r\u00e9glementaires pertinentes pour garantir un d\u00e9veloppement technologique robuste et durable.<\/p>","protected":false},"excerpt":{"rendered":"<p>Biometric technology has become an important field in modern society, of which biometyric fingerprint scanner identification is one of the most common and widely used forms. As a key component of biometric technology, fingerprint scanners help us improve security and convenience by capturing and analyzing the unique characteristics of human fingerprints. This article will take [&hellip;]<\/p>","protected":false},"author":1,"featured_media":5218,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[538],"tags":[],"class_list":["post-9259","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v20.1 (Yoast SEO v27.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>How a biometric fingerprint scanner works<\/title>\n<meta name=\"description\" content=\"Biometric technology has become an important field in modern society, of which biometyric fingerprint scanner identification is one most used\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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