Re: (Fwd) British Study Claims That Photo Credit Cards Don't Work

At 07:57 AM 4/9/96 -0500, Mike McNally wrote:
>jamesd@echeque.com 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
jimbell@pacifier.com