Are Biometric Systems Difficult to Use?

Biometrics are much easier to use than one might expect. Here is a brief technology-by-technology summary of how one interacts with biometric systems.

Fingerprint. When prompted, the user gently places his or her finger on a postage-stamp sized optical or silicon surface. This surface, known as a platen, is built into a peripheral device, mouse, keyboard, or PCMCIA card. .......

Facial recognition. User faces the camera, preferably positioned within 24 inches of the face. Generally, the system will locate one's face very quickly and perform matches against the claimed identity. In some situations, the user may need to alter ...

Voice verification. User positions him or herself near the acquisition device (microphone, telephone). At the prompt, user either recites enrollment pass phrase or repeats pass phrase given ....

Iris recognition. User positions him or herself near the acquisition device (peripheral or standalone camera). User centers eye on device so he or she can see the eye's reflection. Depending on the device, the user is between 2-18 inches away. Capture and verification are nearly ....

 

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