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With the increasing demands of security in ournet worked society,the technology for personalidentification works as the main solution to safe-guard people s properties.Biometrics is an alterna-tive to solve the problemand has the advantage thatthey cannot be stolen or forgotten like pass words.Because personal identification numbers or identifi-cation tokens(such as s mart cards)cannot provide ahighlevel of security which can be copied,inspec-ted and/or stolen.They only showthe knowledgeof som… 相似文献
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