MorphoSmartTM Overview

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MorphoSmart <strong>Overview</strong> 2.1 Identification 2-8 SAGEM Défense Sécurité 2 Scope This document describes the main functionalities of the SAGEM Défense Sécurité MorphoSmart and MorphoSmart Compact Biometric Module (CBM) and gives an overview on fingerprint and security issues. Version 1.8 June 2006 Sagem Défense Sécurité Document - Reproduction and disclosure prohibited
MorphoSmart <strong>Overview</strong> 3.1 About Fingerprints Version 1.8 June 2006 Sagem Défense Sécurité Document - Reproduction and disclosure prohibited SAGEM Défense Sécurité 3 Fingerprint Basic Knowledge Fingerprints are permanent and unique. They are formed before birth and last throughout one's life. Classification and systematic matching of fingerprints for different purposes have been in use since the late 19th century. Ridge Ending Ridge Bifurcation Figure 1: Minutiae are classified in two categories: Ridge ending and bifurcation Present on your fingers is skin, which is different from that on other areas of your body. This skin is rough or corrugated, consisting of raised portions that are called ridges. These ridges do not run continuously from one side to the other, rather they may curve, end, or divide into two or more ridges (bifurcation and endings). Barring accidental or intentional mutilation, the ridge arrangement is permanent. Fingerprints can be divided into major ridge pattern type such as Whorls, Loops and Arches etc. Unique characteristics known as Minutiae identify those points of a fingerprint where the ridges become bifurcation or endings, as illustrated in Figure 1. These minutiae are the unique features, which form the basis of any system using fingerprint comparison techniques for identification and verification purposes. 3-9
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MorphoSmartTM Overview

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