Hamish Pritchard
September 13, 2011

A sophisticated new camera system can detect lies just by watching our faces as we talk.

The computerised system uses a simple video camera, a high-resolution thermal imaging sensor and a suite of algorithms.

Researchers say the system could be a powerful aid to security services.

It successfully discriminates between truth and lies in about two-thirds of cases, said lead researcher Professor Hassan Ugail from Bradford University.

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