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Re: (Fwd) British Study Claims That Photo Credit Cards Don't Work
At 07:57 AM 4/9/96 -0500, Mike McNally wrote:
>[email protected] wrote:
>There are supposedly some new techniques that look at the infrared
>signature of your face (like, I guess, distribution & position of
>hot & cold spots), and that's less likely to be fooled by facial
>hair and other superficial disguises. It's probably a fairly simple
>technology, and could be applied to the credit card ID problem.
I think this is based on looking at your face with near-infrared, not the medium and far (thermal) infrared. Near infrared is supposed to penetrate flesh far better, so your blood vessels are visible and form a pattern which can be recognized.
Jim Bell
[email protected]