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It is generally believed that original face image is hard to be reconstructed from its binary face template and therefore, binary face template is secure. In this paper, we find that binary template is not secure and can be attacked by a masquerade attack. A masquerade face image, which may not ”look” similar with the original image, is constructed from binary templates and then employed to access...
Although biometrics is more reliable, robust and convenient than traditional methods, security and privacy concerns are growing. Biometric templates stored in databases are vulnerable to attacks if they are not protected. To solve this problem, a biometric cryptosystem approach that combines cryptography and biometrics has been proposed. Under this approach, helper data is stored in a database rather...
Biometric cryptosystem (BC) is a very secure approach for template protection because the stored template is encrypted. The key issues in BC approach include(i) limited capability in handling intra-class variations and (ii) binary input is required. To overcome these problems, this paper adopts the concept of discriminative analysis and develops a new binary discriminant analysis (BDA) method to convert...
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