22/09/2015 10h38 - Actualizado 22/09/2015 10h38

Novo sistema do Facebook usa padrões em fotos para rastrear usuários

foto: reproducción
foto: reproducción

O Facebook pode colocar em operação mais um sistema capaz de rastrear seus usuários por meio de fotos. De esta vez, a ideia é desenvolver “impressões digitais” para as câmeras dos internautas para ligá-los a imagens espalhadas pela rede.

Uma patente descoberta pelo pessoal do Geek explica como isso funcionaria. A plataforma usaria fatores como riscos na lente, pixels defeituosos, sangramento de cores e outros artefatos imagéticos para criar essa impressão digital, juntando tudo isso com pedaços particulares do hardware.

Combinando esse tipo de informação com reconhecimento facial e localizaçãocoisas que o Facebook já tem sobre os usuáriosficaria mais fácil determinar quem foi o usuário que tirou a foto analisada.

O sistema poderia ser usado para caçar contas fraudulentas ou desativar perfis múltiplos criados por uma única pessoa, o que é proibido pelo site. Mas isso também pode servir para reforçar as conexões entre os usuários: ao notar que a foto da sua câmera está postada na conta de outra pessoa, o Facebook pode entender que vocês se conhecem mesmo que vocês não estejam listados como amigos.

fuente: mirada digital

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