BIOMETRIC SECURITY SYSTEMS SEMINAR MATERIALS
Biometrics, which is formed from the two ancient
Greek words bios and metron which mean life and measure
respectively, refers to two very different fields of study and application. The
first, which is the older and is used in biological studies, is the collection,
synthesis, analysis and management of biology.
Biometrics in reference to
biological sciences, or biostatistics, has been studied since the early
twentieth century.
More recently and incongruously, the term's
meaning has been broadened to include the study of methods for uniquely
recognizing humans based upon one or more intrinsic physical or behavioral
traits.
Some researchers have coined
the term behaviometrics for behavioral biometrics such as typing rhythm
or mouse gestures where the analysis can be done continuously without
interrupting or interfering with user activities.
Biometrics are used to identify the input
sample when compared to a template, used in cases to identify specific people
by certain characteristics.
possession-based
using one specific "token" such as
a security tag or a card
knowledge-based
the use of a code or password. Standard
validation systems often use multiple inputs of samples for sufficient
validation, such as particular characteristics of the sample. This intends to
enhance security as multiple different samples are required such as security
tags and codes and sample dimensions.
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