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Covert lie detector to be tested at British airport.

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posted on Sep, 6 2011 @ 08:13 AM
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A COVERT lie detection system using thermal imaging cameras and powerful software to spot tell-tale signs of deception is to be trialled at an undisclosed airport in Britain, The (London) Sunday Times reported.

The system could be used during customs interviews and at passport control to check whether people entering the country are giving a true account of themselves.

A key element will be that people under scrutiny will not know they are being monitored for truthfulness.

...

Ugail built his system around the observations that when people lie their brain activity rises as they work out the most plausible tale to spin.

This extra activity is reflected by tiny changes in facial expression which can be measured by a video camera linked to a computer.

Additionally, the same surges in brain activity cause corresponding changes in the patterns of blood flow around the face.

Ugail's system is still experimental and its success rate in detecting lies is about 60-70 per cent. He believes this will rise as the system is refined.

Read more: www.news.com.au... vfHN



Getting closer to pre-crime screening like in Minority Report I guess. I don't see how that would work seems like if someone is the really nervous type it would throw the system off since they'd be sweaty, have shaky hands and have a shaky voice and strain their face to answer questions.




 
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