{"id":12934,"date":"2024-06-17T17:31:20","date_gmt":"2024-06-17T17:31:20","guid":{"rendered":"https:\/\/dailyai.com\/?p=12934"},"modified":"2024-06-18T11:33:21","modified_gmt":"2024-06-18T11:33:21","slug":"ai-powered-cameras-spark-privacy-concerns-as-usage-grows","status":"publish","type":"post","link":"https:\/\/dailyai.com\/pt\/2024\/06\/ai-powered-cameras-spark-privacy-concerns-as-usage-grows\/","title":{"rendered":"As c\u00e2maras alimentadas por IA suscitam preocupa\u00e7\u00f5es de privacidade \u00e0 medida que a sua utiliza\u00e7\u00e3o aumenta"},"content":{"rendered":"<p><b>Uma nova vaga de vigil\u00e2ncia com recurso a IA est\u00e1 a espalhar-se pelos EUA e pelo Reino Unido, \u00e0 medida que empresas privadas e ag\u00eancias governamentais instalam c\u00e2maras com recurso a IA para analisar multid\u00f5es, detetar potenciais crimes e at\u00e9 monitorizar os estados emocionais das pessoas em espa\u00e7os p\u00fablicos.<\/b><\/p>\n<p><span style=\"font-weight: 400;\">No Reino Unido, a Network Rail, organismo respons\u00e1vel pelas infra-estruturas ferrovi\u00e1rias, testou recentemente c\u00e2maras de IA em oito esta\u00e7\u00f5es de comboios, incluindo grandes centros como as esta\u00e7\u00f5es londrinas de Waterloo e Euston, bem como Manchester Piccadilly.\u00a0<\/span><\/p>\n<p><a href=\"https:\/\/www.documentcloud.org\/documents\/24757665-2executive-summary-managed-stations_service-realisation_report_redacted?responsive=1&amp;title=1\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Documentos<\/span><\/a><span style=\"font-weight: 400;\"> obtido pelo grupo das liberdades civis <\/span><a href=\"https:\/\/bigbrotherwatch.org.uk\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\"><span class=\"noTranslate\" data-no-translation=\"\"><span class=\"noTranslate\" data-no-translation=\"\"><span class=\"noTranslate\" data-no-translation=\"\"><span class=\"noTranslate\" data-no-translation=\"\"><span class=\"noTranslate\" data-no-translation=\"\"><span class=\"noTranslate\" data-no-translation=\"\">Big Brother<\/span><\/span><\/span><\/span><\/span><\/span> Ver<\/span><\/a><span style=\"font-weight: 400;\"> revelam que as c\u00e2maras se destinam a detetar a invas\u00e3o das vias, a sobrelota\u00e7\u00e3o das plataformas, \"comportamentos anti-sociais\" como andar de skate e fumar, e potenciais roubos de bicicletas.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">O mais preocupante \u00e9 que o sistema de IA, alimentado pelo software Rekognition da Amazon, procurava analisar a idade, o g\u00e9nero e as emo\u00e7\u00f5es das pessoas, como a felicidade, a tristeza e a raiva, quando estas passavam por \"fios de trope\u00e7ar\" virtuais junto \u00e0s barreiras dos bilhetes.\u00a0<\/span><\/p>\n<blockquote class=\"twitter-tweet\">\n<p dir=\"ltr\" lang=\"en\">\u26a0\ufe0fWe descobriu documentos que revelam que oito esta\u00e7\u00f5es de comboios experimentaram <span class=\"noTranslate\" data-no-translation=\"\"><span class=\"noTranslate\" data-no-translation=\"\"><span class=\"noTranslate\" data-no-translation=\"\"><span class=\"noTranslate\" data-no-translation=\"\"><span class=\"noTranslate\" data-no-translation=\"\"><span class=\"noTranslate\" data-no-translation=\"\">Amazon<\/span><\/span><\/span><\/span><\/span><\/span>com as suas c\u00e2maras CCTV - sendo que algumas analisam a idade, o sexo e as emo\u00e7\u00f5es dos passageiros<\/p>\n<p>\"A implanta\u00e7\u00e3o e a normaliza\u00e7\u00e3o da vigil\u00e2ncia por IA nestes espa\u00e7os p\u00fablicos, sem grande... <a href=\"https:\/\/t.co\/dJLS75ZURH\">pic.twitter.com\/dJLS75ZURH<\/a><\/p>\n<p>- Big Brother Watch (@BigBrotherWatch) <a href=\"https:\/\/twitter.com\/BigBrotherWatch\/status\/1802734003436356074?ref_src=twsrc%5Etfw\">17 de junho de 2024<\/a><\/p><\/blockquote>\n<p><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n<p><span style=\"font-weight: 400;\">O relat\u00f3rio da Network Rail, parte do qual est\u00e1 redigido, diz que havia \"uma c\u00e2mara em cada esta\u00e7\u00e3o (geralmente a c\u00e2mara da linha de entrada), onde era tirada uma fotografia a cada segundo sempre que as pessoas atravessavam o fio e enviada para an\u00e1lise pelo AWS Rekognition\".<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Em seguida, diz: \"Potencialmente, a m\u00e9trica da emo\u00e7\u00e3o do cliente poderia ser utilizada para medir a satisfa\u00e7\u00e3o\" e \"Estes dados poderiam ser utilizados para maximizar a publicidade e as receitas de retalho. No entanto, isto era dif\u00edcil de quantificar, uma vez que as propriedades NR nunca foram envolvidas com sucesso\".<\/span><\/p>\n<p><span style=\"font-weight: 400;\">O Amazon Rekogniton, uma plataforma de aprendizagem autom\u00e1tica de vis\u00e3o por computador (CV) da Amazon, consegue efetivamente detetar emo\u00e7\u00f5es. No entanto, este foi apenas um teste piloto e a sua efic\u00e1cia n\u00e3o \u00e9 clara. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">O relat\u00f3rio refere que, quando se utilizaram c\u00e2maras para contar as pessoas que atravessavam as portas dos caminhos-de-ferro, \"a precis\u00e3o entre as linhas das portas foi uniformemente fraca, com uma m\u00e9dia de precis\u00e3o de aproximadamente 50% a 60% em compara\u00e7\u00e3o com a contagem manual\", mas espera-se que esta situa\u00e7\u00e3o melhore.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A utiliza\u00e7\u00e3o da tecnologia de reconhecimento facial pelas autoridades policiais tamb\u00e9m tem suscitado preocupa\u00e7\u00f5es. H\u00e1 pouco tempo, a Pol\u00edcia Metropolitana de Londres <\/span><a href=\"https:\/\/dailyai.com\/pt\/2024\/03\/17-individuals-in-london-arrested-after-an-ai-facial-recognition-operation\/\"><span style=\"font-weight: 400;\">utilizou c\u00e2maras de reconhecimento facial em direto<\/span><\/a><span style=\"font-weight: 400;\"> para identificar e prender 17 indiv\u00edduos nas zonas de Croydon e Tooting, na cidade.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A tecnologia compara as imagens das c\u00e2maras em direto com uma lista de pessoas com mandados de captura pendentes, como parte do \"policiamento de precis\u00e3o\".<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Em fevereiro, o Met utilizou o sistema para efetuar 42 deten\u00e7\u00f5es, embora n\u00e3o se saiba quantas delas deram origem a acusa\u00e7\u00f5es formais.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\"O lan\u00e7amento e a normaliza\u00e7\u00e3o da vigil\u00e2ncia por IA nestes espa\u00e7os p\u00fablicos, sem muita consulta e conversa, \u00e9 um passo bastante preocupante\", comentou Jake Hurfurt, diretor de investiga\u00e7\u00e3o da Big Brother Watch.<\/span><\/p>\n<h2>As suas emo\u00e7\u00f5es numa base de dados<\/h2>\n<p><span style=\"font-weight: 400;\">Os cr\u00edticos t\u00eam argumentado veementemente que o reconhecimento facial amea\u00e7a as liberdades civis.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Membros do Parlamento no Reino Unido <\/span><a href=\"https:\/\/dailyai.com\/pt\/2023\/10\/facial-recognition-tech-proliferates-on-both-sides-of-the-atlantic\/\"><span style=\"font-weight: 400;\">instou a pol\u00edcia a reconsiderar<\/span><\/a><span style=\"font-weight: 400;\"> a forma como utilizam a tecnologia, depois de terem sugerido que poderiam aceder a uma base de dados de 45 milh\u00f5es de fotografias de passaportes para treinar melhor estes modelos de vigil\u00e2ncia.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Os peritos tamb\u00e9m questionam a exatid\u00e3o e a base jur\u00eddica do reconhecimento facial, com <a href=\"https:\/\/bigbrotherwatch.org.uk\/campaigns\/stop-facial-recognition\/\"><span class=\"noTranslate\" data-no-translation=\"\"><span class=\"noTranslate\" data-no-translation=\"\"><span class=\"noTranslate\" data-no-translation=\"\">Big Brother<\/span><\/span><\/span> Ver discutir<\/a> que a maioria (85%+) das correspond\u00eancias de reconhecimento facial da pol\u00edcia brit\u00e2nica s\u00e3o identifica\u00e7\u00f5es incorrectas.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Os funcion\u00e1rios da Met Police tentaram dissipar os receios em rela\u00e7\u00e3o \u00e0 privacidade, afirmando que as imagens que n\u00e3o correspondem s\u00e3o rapidamente apagadas e que o sistema de reconhecimento facial foi objeto de uma auditoria independente.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">No entanto, n\u00e3o vale a pena falar quando a m\u00e1 utiliza\u00e7\u00e3o destes sistemas de IA tem um verdadeiro impacto na vida das pessoas. <\/span><a href=\"https:\/\/dailyai.com\/pt\/2023\/10\/predictive-policing-underdelivers-on-its-goals-and-risks-discrimination\/\"><span style=\"font-weight: 400;\">Programas de policiamento preditivo na <span class=\"noTranslate\" data-no-translation=\"\"><span class=\"noTranslate\" data-no-translation=\"\"><span class=\"noTranslate\" data-no-translation=\"\"><span class=\"noTranslate\" data-no-translation=\"\"><span class=\"noTranslate\" data-no-translation=\"\"><span class=\"noTranslate\" data-no-translation=\"\">US<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/a><span style=\"font-weight: 400;\"> tamb\u00e9m n\u00e3o conseguiram, em geral, atingir os seus objectivos, causando danos colaterais sob a forma de persegui\u00e7\u00e3o policial e deten\u00e7\u00f5es indevidas.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">As preocupa\u00e7\u00f5es com o preconceito e a imprecis\u00e3o dos sistemas de reconhecimento facial, especialmente para as pessoas de cor, t\u00eam sido um dos principais pontos de disc\u00f3rdia.\u00a0<\/span><\/p>\n<p><a href=\"https:\/\/dailyai.com\/pt\/2023\/07\/unmasking-the-deep-seated-biases-in-ai-systems\/\"><span style=\"font-weight: 400;\">Estudos demonstraram que<\/span><\/a><span style=\"font-weight: 400;\"> a tecnologia pode ser significativamente menos exacta para rostos de pele mais escura, particularmente para mulheres negras.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Os decisores pol\u00edticos ter\u00e3o de se confrontar com quest\u00f5es dif\u00edceis sobre a transpar\u00eancia, a responsabilidade e a regulamenta\u00e7\u00e3o destes poderosos instrumentos.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Um debate p\u00fablico s\u00f3lido e quadros jur\u00eddicos claros ser\u00e3o fundamentais para garantir que os benef\u00edcios da IA na seguran\u00e7a p\u00fablica n\u00e3o sejam ultrapassados pelos riscos para os direitos individuais e os valores democr\u00e1ticos.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Como a tecnologia avan\u00e7a a toda a velocidade, o tempo para esse ajuste de contas pode ser curto.<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>Uma nova vaga de vigil\u00e2ncia com recurso a IA est\u00e1 a espalhar-se pelos EUA e pelo Reino Unido, \u00e0 medida que empresas privadas e ag\u00eancias governamentais utilizam c\u00e2maras com recurso a IA para analisar multid\u00f5es, detetar potenciais crimes e at\u00e9 monitorizar os estados emocionais das pessoas em espa\u00e7os p\u00fablicos. No Reino Unido, o organismo de infra-estruturas ferrovi\u00e1rias Network Rail testou recentemente c\u00e2maras de IA em oito esta\u00e7\u00f5es ferrovi\u00e1rias, incluindo grandes centros como as esta\u00e7\u00f5es londrinas de Waterloo e Euston, bem como Manchester Piccadilly.  Os documentos obtidos pelo grupo de defesa das liberdades civis Big Brother Watch revelam que as c\u00e2maras tinham como objetivo detetar a invas\u00e3o de caminhos-de-ferro, a sobrelota\u00e7\u00e3o das plataformas, \"comportamentos anti-sociais\" como andar de skate e fumar, e potenciais roubos de bicicletas. O mais preocupante,<\/p>","protected":false},"author":2,"featured_media":12935,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[88],"tags":[163],"class_list":["post-12934","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ethics","tag-ai-risks"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>AI-powered cameras spark privacy concerns as usage grows | DailyAI<\/title>\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\/pt\/2024\/06\/ai-powered-cameras-spark-privacy-concerns-as-usage-grows\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"AI-powered cameras spark privacy concerns as usage grows | DailyAI\" \/>\n<meta property=\"og:description\" content=\"A new wave of AI-enhanced surveillance is spreading across the US and UK, as private companies and government agencies deploy AI-powered cameras to analyze crowds, detect potential crimes, and even monitor people&#8217;s emotional states in public spaces. In the UK, rail infrastructure body Network Rail recently tested AI cameras in eight train stations, including major hubs like London&#8217;s Waterloo and Euston stations, as well as Manchester Piccadilly.\u00a0 Documents obtained by civil liberties group Big Brother Watch reveal the cameras aimed to detect trespassing on tracks, overcrowding on platforms, &#8220;antisocial behavior&#8221; like skateboarding and smoking, and potential bike theft. Most concerningly,\" \/>\n<meta property=\"og:url\" content=\"https:\/\/dailyai.com\/pt\/2024\/06\/ai-powered-cameras-spark-privacy-concerns-as-usage-grows\/\" \/>\n<meta property=\"og:site_name\" content=\"DailyAI\" \/>\n<meta property=\"article:published_time\" content=\"2024-06-17T17:31:20+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-06-18T11:33:21+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/dailyai.com\/wp-content\/uploads\/2024\/06\/DALL\u00b7E-2024-06-17-18.30.54-A-high-quality-landscape-image-of-an-AI-powered-camera-in-a-modern-urban-environment.-The-camera-has-a-sleek-futuristic-design-and-is-mounted-on-a-p.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1792\" \/>\n\t<meta property=\"og:image:height\" content=\"1024\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\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=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Sam Jeans\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tempo estimado de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"NewsArticle\",\"@id\":\"https:\\\/\\\/dailyai.com\\\/2024\\\/06\\\/ai-powered-cameras-spark-privacy-concerns-as-usage-grows\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/dailyai.com\\\/2024\\\/06\\\/ai-powered-cameras-spark-privacy-concerns-as-usage-grows\\\/\"},\"author\":{\"name\":\"Sam Jeans\",\"@id\":\"https:\\\/\\\/dailyai.com\\\/#\\\/schema\\\/person\\\/711e81f945549438e8bbc579efdeb3c9\"},\"headline\":\"AI-powered cameras spark privacy concerns as usage grows\",\"datePublished\":\"2024-06-17T17:31:20+00:00\",\"dateModified\":\"2024-06-18T11:33:21+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/dailyai.com\\\/2024\\\/06\\\/ai-powered-cameras-spark-privacy-concerns-as-usage-grows\\\/\"},\"wordCount\":680,\"publisher\":{\"@id\":\"https:\\\/\\\/dailyai.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/dailyai.com\\\/2024\\\/06\\\/ai-powered-cameras-spark-privacy-concerns-as-usage-grows\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/dailyai.com\\\/wp-content\\\/uploads\\\/2024\\\/06\\\/DALL\u00b7E-2024-06-17-18.30.54-A-high-quality-landscape-image-of-an-AI-powered-camera-in-a-modern-urban-environment.-The-camera-has-a-sleek-futuristic-design-and-is-mounted-on-a-p.webp\",\"keywords\":[\"AI risks\"],\"articleSection\":[\"Ethics &amp; 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