A secure biometric discretization scheme for face template protection

Hyunggu Lee, Beng Jin Teoh, Ho Gi Jung, Jaihie Kim

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

In this paper, a dynamic biometric discretization scheme based on Linnartz and Tuyls's quantization index modulation scheme (LT-QIM) [Linnartz and Tuyls, 2003] is proposed. LT-QIM extracts one bit per feature element and takes care of the intra-class variation of the biometric features. Nevertheless, LT-QIM does not consider statistical distinctiveness between users, and thus lacks the capability of preserving the discriminative power of the original biometric features. We put forward a generalized LT-QIM scheme in such a way that it allocates multiple bits to each feature element according to a statistical distinctiveness measure of the feature. Hence, more bits are assigned to high distinctive features and fewer bits to low distinctive features. With provision for intra-class variation compensation and dynamic bit allocation by means of the statistical distinctiveness measure, the generalized scheme enhances the verification performance compared to the original scheme. Several comparative studies are conducted on two popular face data sets to justify the efficiency and feasibility of our proposed scheme. The security aspect is also considered by including a stolen-token scenario.

Original languageEnglish
Pages (from-to)218-231
Number of pages14
JournalFuture Generation Computer Systems
Volume28
Issue number1
DOIs
Publication statusPublished - 2012 Jan 1

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Quantization (signal)
Biometrics
Modulation

All Science Journal Classification (ASJC) codes

  • Software
  • Hardware and Architecture
  • Computer Networks and Communications

Cite this

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A secure biometric discretization scheme for face template protection. / Lee, Hyunggu; Teoh, Beng Jin; Jung, Ho Gi; Kim, Jaihie.

In: Future Generation Computer Systems, Vol. 28, No. 1, 01.01.2012, p. 218-231.

Research output: Contribution to journalArticle

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