{"id":113637,"date":"2024-02-16T10:02:43","date_gmt":"2024-02-16T08:02:44","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/google-otkryl-kod-ai-sistemy-magika-dlya-opredeleniya-tipa-soderzhimogo-fajlov"},"modified":"2024-02-16T10:02:43","modified_gmt":"2024-02-16T08:02:44","slug":"google-otkryl-kod-ai-sistemy-magika-dlya-opredeleniya-tipa-soderzhimogo-fajlov","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/google-otkryl-kod-ai-sistemy-magika-dlya-opredeleniya-tipa-soderzhimogo-fajlov","title":{"rendered":"O Google abriu o c\u00f3digo do sistema de IA Magika para determinar o tipo de conte\u00fado dos arquivos","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

A empresa Google anunciou a abertura do c\u00f3digo do projeto Magika, que \u00e9 destinado a identificar o tipo de conte\u00fado com base na an\u00e1lise dos dados contidos em um arquivo. O Magika pode identificar com precis\u00e3o as linguagens de programa\u00e7\u00e3o utilizadas no conte\u00fado, m\u00e9todos de compress\u00e3o, pacotes de instala\u00e7\u00e3o, c\u00f3digo execut\u00e1vel, tipos de marca\u00e7\u00e3o, formatos de \u00e1udio, v\u00eddeo, documentos e imagens. A caixa de ferramentas relacionada ao projeto e o modelo de aprendizado de m\u00e1quina prontos foram publicados sob a licen\u00e7a Apache 2.0. <\/p>\n

Em compara\u00e7\u00e3o com projetos semelhantes que determinam o tipo MIME com base no conte\u00fado, o Magika se destaca pelo uso de m\u00e9todos de aprendizado de m\u00e1quina, alta performance e qualidade excepcional de identifica\u00e7\u00e3o. O modelo foi treinado usando o framework Keras em 25 milh\u00f5es de exemplos de arquivos e suporta o reconhecimento de 116 tipos de dados com uma precis\u00e3o de pelo menos 99%. O modelo est\u00e1 empacotado no formato ONNX e possui apenas 1 MB de tamanho. O uso de m\u00e9todos de aprendizado de m\u00e1quina profundo permitiu aumentar a precis\u00e3o da identifica\u00e7\u00e3o em 50% em rela\u00e7\u00e3o ao sistema anteriormente aplicado pela Google, baseado em regras definidas manualmente.

\"O<\/center> <\/p>\n

Na Google, o sistema \u00e9 utilizado para classificar arquivos nos servi\u00e7os Gmail, Drive, Code Insight e Safe Browsing durante a realiza\u00e7\u00e3o de verifica\u00e7\u00f5es de seguran\u00e7a e conformidade com as regras dos servi\u00e7os. H\u00e1 esfor\u00e7os em andamento para integrar o Magika na plataforma VirusTotal como uma etapa para a filtragem inicial de arquivos antes da execu\u00e7\u00e3o de analisadores espec\u00edficos. A configura\u00e7\u00e3o implementada na infraestrutura da Google proporciona a varredura de v\u00e1rios milh\u00f5es de arquivos por segundo e v\u00e1rias centenas de bilh\u00f5es de arquivos por semana. Ap\u00f3s o carregamento do modelo, o tempo de gera\u00e7\u00e3o de sa\u00edda \u00e9 de 5-6 ms durante testes em um n\u00facleo de CPU. O tempo de identifica\u00e7\u00e3o quase n\u00e3o depende do tamanho do arquivo. <\/p>\n

Para usar o Magika em seus projetos, foram preparadas uma ferramenta de linha de comando, um pacote para Python e uma biblioteca JavaScript que pode operar em navegadores ou em projetos baseados em Node.js. A interface de linha de comando e a API suportam a execu\u00e7\u00e3o de opera\u00e7\u00f5es em modo batch, ou seja, permitem verificar v\u00e1rios arquivos em uma \u00fanica solicita\u00e7\u00e3o. H\u00e1 um modo de varredura recursiva de todo o conte\u00fado de um diret\u00f3rio e tr\u00eas modos de previs\u00e3o para ajustar a resist\u00eancia a erros (alta confian\u00e7a, m\u00e9dia confian\u00e7a e melhor palpite).

\"O<\/center>
\n
Fonte: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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[…]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":113638,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-113637","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Google abriu o c\u00f3digo do sistema de IA Magika para determinar o tipo de conte\u00fado dos arquivos | ProHoster","description":"A empresa Google anunciou a abertura do c\u00f3digo do projeto Magika, destinado a determinar o tipo de conte\u00fado com base na an\u00e1lise dos dados presentes no 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