Fotografias alteradas | Doctored photographs

A manipulação da informação sempre existiu. Mas com as tecnologias correntes, essa influência tornou-se mais difícil de descortinar para olhares menos treinados. A secção de Ciência da PBS entrevistou Hany Farid, um “cientista acidental” – nas suas próprias palavras – que explica como podemos distinguir uma foto verdadeira de uma falsa.

Information has always been manipulated.But with the current technology, the tampering became more hard to disclose to untrained eyes. PBS’ science section interviewed Hany Farid, an “accidental scientist” – these are his own words- and he explains how we can tell if a picture is true or false.

Hany Farid @ PBS NOVA

This self-proclaimed “accidental scientist” is a digital detective inventing new ways to tell if photos have been faked.

Fake or Real?

Examine nine photographs and guess if they are fake or real. Then hear Hany Farid explain why you were right or wrong.

Ask the Expert

Father of digital forensics and Dartmouth professor Hany Farid answers your questions on photo fakeries and more.