Hamish Pritchard
BBC
A sophisticated new camera system can detect lies just by watching our faces as we talk, experts say.
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.
The system, developed by a team from the universities of Bradford and Aberystwyth in conjunction with the UK Border Agency, was unveiled today at the British Science Festival in Bradford.
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