An Introduction to Biometric Recognition

An Introduction to Biometric Recognition1

A wide variety of systems require reliable personal recognition schemes to either confirm or determine the identity of an individual requesting their services. The purpose of such schemes is to ensure that the rendered services are accessed only by a legitimate user, and not anyone else. Examples of such applications include secure access to buildings, computer systems, laptops, cellular phones...

An Introduction to Biometric Authentication Systems

Immigration cards holding both passport number and measures of the user’s hand [1]; fingerprints taken as a legal requirement for a driver license, but not stored anywhere on the license [2]; automatic facial recognition systems searching for known card cheats in a casino [3]; season tickets to an amusement park linked to the shape of the purchaser’s fingers [4]; home incarceration programs sup...

An Introduction to Evaluating Biometric Systems

O n the basis of media hype alone, you might conclude that biometric passwords will soon replace their alphanumeric counterparts with versions that cannot be stolen, forgotten , lost, or given to another person. But what if the performance estimates of these systems are far more impressive than their actual performance? To measure the real-life performance of biometric systems—and to understand...

An Introduction to Sociolinguistics

Biometric Recognition: An Overview

Human identifi cation leads to mutual trust that is essential for the proper functioning of society. We have been identifying fellow humans based on their voice, appearance, or gait for thousands of years. However, a systematic and scientifi c basis for human identifi cation started in the nineteenth century when Alphonse Bertillon (Rhodes and Henry 1956 ) introduced the use of a number of anth...