[Clips] Read two biometrics, get worse results - how it works

Steve Schear s.schear at comcast.net
Fri Oct 21 13:26:23 EDT 2005

At 08:34 PM 10/19/2005, R.A. Hettinga wrote:
>  A regular correspondent (thanks, you know who you are) points us to some
>  calculations by John Daugman, originator of the Daugman algorithms for iris
>  recognition. These ought to provide disturbing reading for Home Office
>  Ministers who casually claim that by using multiple biometrics
>  (http://www.theregister.co.uk/2005/10/17/mcnulty_fingers_id_problem/)
>  you'll get a better result than by using just the one. Although that may
>  seem logical, it turns out that it it isn't, necessarily.

A man with one watch knows what time it is; a man with two watches is never 
quite sure.
-- Attributed by Quote Garden to Lee Segall


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