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
Steve
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