
16
IrIs BIometrIC modeL
at the Olympics, at borders, in airports, and in major theme parks
(e.g., Disney).
2.3.1.2.2 Advantages and Disadvantages e authentication result of
biometric technology based on hand geometry does not depend on
humidity and cleanliness of the hand. e sensors of the hand geom-
etry provide a reasonable level of accuracy (Gillerm 2007).
On the other hand, this technique has a wide reader, making it diffi-
cult to use by certain users (e.g., children, people with arthritis or miss-
ing fingers). e error rate is high for twins or members of the same
family (Rosistem 2001), which is 1/7 × 10
2
. Furthermore, the shape of
the ha ...