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A secure biometric discretization scheme for face template protection

Title
A secure biometric discretization scheme for face template protection
Author
정호기
Keywords
Biometrics discretization; Dynamic bit allocation; Helper data
Issue Date
2012-05
Publisher
Elsevier Science B.V., Amsterdam.
Citation
Future generations computer systems, 2012, 28(1), P.218-231
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. (C) 2010 Elsevier B.V. All rights reserved.
URI
https://www.sciencedirect.com/science/article/pii/S0167739X10002165?via%3Dihubhttp://hdl.handle.net/20.500.11754/49873
ISSN
0167-739X
DOI
10.1016/j.future.2010.11.006
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > AUTOMOTIVE ENGINEERING(미래자동차공학과) > Articles
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