{"id":56350,"date":"2020-02-11T00:00:00","date_gmt":"2020-02-10T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/zapah-raskryvaet"},"modified":"2020-02-18T14:04:36","modified_gmt":"2020-02-18T11:04:36","slug":"zapah-raskryvaet","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/zapah-raskryvaet","title":{"rendered":"Lugten afsl\u00f8rer","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Jeg blev inspireret til at skrive denne artikel <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/dcmiran\/blog\/485504\/\">overs\u00e6ttelse<\/a><\/noindex>, hvor det blev beskrevet, hvordan fokus p\u00e5 ansigtsgenkendelsessystemer f\u00e5r os til at miste den overordnede id\u00e9 om masseindsamling af data: man kan identificere en person ud fra helt vilk\u00e5rlige data. Selv mennesker bruger forskellige metoder til dette: for eksempel er hjernen hos en n\u00e6rsynet person afh\u00e6ngig af gangart til at identificere personer p\u00e5 langt hold, snarere end at fors\u00f8ge at genkende ansigtet.<\/p>\n<p><\/p>\n<p>Ideen er, at samfundet mere eller mindre ubevidst afviser nye teknologier, snarere end at fors\u00f8ge at forst\u00e5 den sande \u00e5rsag. <\/p>\n<p><\/p>\n<p>Men jeg vil gerne tilf\u00f8je, at der findes teknologier, der kan tage overv\u00e5gning til et helt nyt niveau, der g\u00f8r virkeligheden mere orwelliansk. Og disse teknologier er tilsyneladende meget t\u00e6ttere p\u00e5 at blive massivt implementeret, end man skulle tro.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<p>Og det er teknologier, der g\u00f8r det muligt at indsamle information, som almindelige mennesker ikke er vant til at f\u00e5 i en omformet digital form. Og det er information om dufte. Men i den virkelige verden b\u00e6rer en duft en enorm m\u00e6ngde information, som folk kan bruge til at f\u00e5 yderligere indsigt om dig. For eksempel, selv efter et par minutter ved et b\u00e5l, vil dit t\u00f8j f\u00e5 lugt af r\u00f8g, som kan blive h\u00e6ngende i det i en tydelig periode p\u00e5 op til en uge. Der findes hele parfumeindustrier, der arbejder p\u00e5 syntese af dufte. <\/p>\n<p><\/p>\n<p>Vidste du, at der ikke findes en \"\u00e6ldre mands lugt\"? Faktisk har hans v\u00e6v og kropssammens\u00e6tning stadig n\u00e6sten ingen lugt. Bare hans hud har absorberet partikler fra luften fra alle de steder, hvor han har v\u00e6ret i livet. <\/p>\n<p><\/p>\n<p>\"Digitalisering\" af lugte blev i lang tid betragtet som en vanskelig opgave, der reelt set blev reduceret til kromatografi. Det vil sige metoder til at analysere den kemiske sammens\u00e6tning af et stof, direkte ved at unders\u00f8ge, hvilke molekyler det best\u00e5r af. <\/p>\n<p><\/p>\n<p>For bare tyve \u00e5r siden var kromatografier laboratorieapparater, hvor analyse af et stof tog minutter eller endda titusinder af minutter.<\/p>\n<p><\/p>\n<p>Men i dag er opgaven med at bestemme den molekyl\u00e6re sammens\u00e6tning af gas og sammenligne den med \"fingeraftryk\" af kendte stoffer mulig i formatet af en b\u00e6rbar enhed. Og mange af jer har sikkert set den i metroen: det er <noindex><a rel=\"nofollow\" href=\"http:\/\/www.analizator.ru\/production\/ims\/kerber-t\/\">IDD Kerber<\/a><\/noindex>. P\u00e5 under fem sekunder kan denne \"lille st\u00f8vsuger\" afg\u00f8re, om du har v\u00e6ret i kontakt med eksplosive stoffer, narkotika, farlige giftstoffer eller giftige stoffer. <\/p>\n<p><\/p>\n<p>Alt handler om, at lugt har unikke egenskaber: <\/p>\n<p><\/p>\n<ul>\n<li>den tr\u00e6nger let ind i de fleste materialer, inklusive kroppens v\u00e6v <\/li>\n<li>der findes et v\u00e6ld af forskellige lugtformer...<\/li>\n<li>\u2026 som kan kombineres p\u00e5 forskellige m\u00e5der<\/li>\n<li>... har ogs\u00e5 en \"analog\" natur, hvor intensiteten reguleres af m\u00e6ngden af<\/li>\n<li>... men, ligesom alle menneskets sanser har en logaritmisk afh\u00e6ngighed af intensiteten fra det \"opfattede\" niveau<\/li>\n<\/ul>\n<p><\/p>\n<p>Men i den virkelige verden er intensiteten \u2014 m\u00e6ngden af stof. Fysisk antal molekyler. Og ligesom alt andet i den analoge verden digitaliserer vi dem hele tiden lettere og mere pr\u00e6cist. Snart vil vi kunne lave de enkleste apparater, der kan afg\u00f8re, om du har v\u00e6ret ved b\u00e5let i g\u00e5r. Og i morgen \u2014 allerede en uge tilbage. Og dagen efter \u2014 et helt \u00e5r, og det vil v\u00e6re muligt at forst\u00e5, hvilken slags tr\u00e6 der br\u00e6ndte. Hele dette lugtbillede vil snart kunne digitaliseres og omdannes til unikke identifikatorer, som kan afl\u00e6ses p\u00e5 afstand. Og med al den tilg\u00e6ngelige historik p\u00e5 afl\u00e6sningspunktet.<\/p>\n<p><\/p>\n<p>Det er meget sv\u00e6rt for os at forestille os, hvor dyb verden af lugte er, men vi har i \u00e5rhundreder brugt vores langt overlegne lugtesans i forhold til hunde til at finde godt skjulte farlige ting. For eksempel kan en hund, der arbejder i tolden, skelne lugten af TNT pakket i flere vakuumposer og drysset med parfume i en kuffert. <\/p>\n<p><\/p>\n<p>Fra en afstand af flere meter.<\/p>\n<p><\/p>\n<p>Hunden.<\/p>\n<p><\/p>\n<p>Dens ADC har blot et st\u00f8rre dynamisk omr\u00e5de og opl\u00f8sning. Men milj\u00f8et er det samme. Det er derfor kun et sp\u00f8rgsm\u00e5l om teknologi.<\/p>\n<p><\/p>\n<p>M\u00e5ske b\u00f8r vi begynde at t\u00e6nke over faren ved muligheden for at identificere mennesker p\u00e5 deres lugt overalt.<\/p>\n<p><\/p>\n<p><em>Venligst undg\u00e5 argumentet \"jeg har intet at skjule\" i diskussionen. Det tilf\u00f8jer ikke yderligere konstruktivitet. Dette sp\u00f8rgsm\u00e5l har v\u00e6ret diskuteret mange gange f\u00f8r, og samfundet er allerede kommet til en enighed. Brug s\u00f8gning, der er styrken.<\/em><\/p>\n<p>Kilde: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/487844\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041d\u0430\u043f\u0438\u0441\u0430\u0442\u044c \u044d\u0442\u0443 \u0441\u0442\u0430\u0442\u044c\u044e \u043c\u0435\u043d\u044f \u0432\u0434\u043e\u0445\u043d\u043e\u0432\u0438\u043b \u043f\u0435\u0440\u0435\u0432\u043e\u0434, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0440\u0430\u0441\u0441\u043a\u0430\u0437\u044b\u0432\u0430\u043b\u043e\u0441\u044c \u043a\u0430\u043a, \u0444\u043e\u043a\u0443\u0441\u0438\u0440\u0443\u044f\u0441\u044c \u043d\u0430 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445 \u0440\u0430\u0441\u043f\u043e\u0437\u043d\u0430\u0432\u0430\u043d\u0438\u044f \u043b\u0438\u0446, \u043c\u044b \u0443\u043f\u0443\u0441\u043a\u0430\u0435\u043c \u0432\u0441\u044e \u0438\u0434\u0435\u044e \u043c\u0430\u0441\u0441\u043e\u0432\u043e\u0433\u043e \u0441\u0431\u043e\u0440\u0430 \u0434\u0430\u043d\u043d\u044b\u0445: \u0438\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u0446\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0447\u0435\u043b\u043e\u0432\u0435\u043a\u0430 \u043c\u043e\u0436\u043d\u043e \u043f\u043e \u0441\u043e\u0432\u0435\u0440\u0448\u0435\u043d\u043d\u043e \u043b\u044e\u0431\u044b\u043c \u0434\u0430\u043d\u043d\u044b\u043c. \u0414\u0430\u0436\u0435 \u0441\u0430\u043c\u0438 \u043b\u044e\u0434\u0438 \u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0442\u0441\u044f \u0434\u043b\u044f \u044d\u0442\u043e\u0433\u043e \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u043c\u0438 \u043c\u0435\u0442\u043e\u0434\u0430\u043c\u0438: \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u043c\u043e\u0437\u0433 \u0431\u043b\u0438\u0437\u043e\u0440\u0443\u043a\u043e\u0433\u043e \u0447\u0435\u043b\u043e\u0432\u0435\u043a\u0430 \u0434\u043b\u044f \u0438\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u043b\u044e\u0434\u0435\u0439 \u043d\u0430 \u0431\u043e\u043b\u044c\u0448\u0438\u0445 \u0440\u0430\u0441\u0441\u0442\u043e\u044f\u043d\u0438\u044f\u0445 \u043f\u043e\u043b\u0430\u0433\u0430\u0435\u0442\u0441\u044f \u043d\u0430 \u043f\u043e\u0445\u043e\u0434\u043a\u0443, \u0430 \u043d\u0435 \u043f\u043e\u043f\u044b\u0442\u043a\u0438 \u0440\u0430\u0441\u043f\u043e\u0437\u043d\u0430\u0442\u044c \u043b\u0438\u0446\u043e. 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