4 research outputs found

    Protection of privacy in biometric data

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    Biometrics is commonly used in many automated veri cation systems offering several advantages over traditional veri cation methods. Since biometric features are associated with individuals, their leakage will violate individuals\u27 privacy, which can cause serious and continued problems as the biometric data from a person are irreplaceable. To protect the biometric data containing privacy information, a number of privacy-preserving biometric schemes (PPBSs) have been developed over the last decade, but they have various drawbacks. The aim of this paper is to provide a comprehensive overview of the existing PPBSs and give guidance for future privacy-preserving biometric research. In particular, we explain the functional mechanisms of popular PPBSs and present the state-of-the-art privacy-preserving biometric methods based on these mechanisms. Furthermore, we discuss the drawbacks of the existing PPBSs and point out the challenges and future research directions in PPBSs

    Jedna klasa biometrijskog kriptosistema zasnovanog na konvolucionim neuronskim mrežama

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    U ovoj doktorskoj disertaciji predložen je novi biometrijski kriptosistem otisaka prstiju baziran na sistemu fazi povezivanja i dubokih konvolucionih neuronskih mreža. Centralni doprinos rada predstavlja novi pristup automatskom izdvajanju obeležja fiksne dužine iz otisaka prstiju, u potpunosti zasnovanom na konvolucionim neuronskim mrežama. Predloženom kvantizacijom obeležja kodovanjem sa dva bita, biometrijski šabloni su prevedeni u binarni domen, što je omogućilo primenu XOR biometrije i razvoj biometrijskog kriptosistema koji se može koristiti za upravljanje ključevima (engl. key-release) ili za zaštitu šablona. Problem varijabilnosti biometrijskih podataka marginalizovan je primenom BCH koda za korekciju grešaka, koji radi na nivou bloka što ga čini otpornim na poznate statističke napade. Predloženi biometrijski kriptosistem sistem može upravljati dužinom ključeva od 265 bita, što zadovoljava potrebe savremenih kriptografskih sistema, uz prihvatljivu marginu EER greške od 1%. Evaluacija eksperimentalnih rezultata potvrđuje značajan napredak u odnosu na druge biometrijske kriptosisteme i sisteme za poređenje otisaka na osnovu njihove teksture

    Mejora de la seguridad y la privacidad de los sistemas biométricos

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    Tesis doctoral inédita leída en la Universidad Autónoma de Madrid, Escuela Politécnica Superior, Departamento de Tecnología Electrónica y de las Comunicaciones. Fecha de lectura: 02-06-2016This Thesis was printed with the financial support from EPS-UAM and the Biometric Recognition Group-ATVS

    A cryptosystem based on palmprint feature

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