Biometrics - How it Works

Biometrics uses computer technology to record and match the unique physical and/or behavioral characteristics of an individual against a database of enrollees. There is an initial enrolment step that each person needs to complete before being able to use a biometric device. This step takes an initial measurement set of the particular attribute being used (eg finger) and stores this for future comparisons. Once the enrolment has been completed the person concerned can use the system.

Steps in the biometric process can be broken down into four parts: