OTB-morph:通过变形进行一次性生物识别

IF 6.4 4区 计算机科学 Q1 AUTOMATION & CONTROL SYSTEMS Machine Intelligence Research Pub Date : 2023-06-01 DOI:10.1007/s11633-023-1432-x
Mahdi Ghafourian, Julian Fierrez, Ruben Vera-Rodriguez, Aythami Morales, Ignacio Serna
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引用次数: 1

摘要

可取消生物特征是指在生物特征识别系统中,为了保证安全性和隐私性,利用转换函数和密钥有意地将输入的生物特征转换为不可逆特征的一组技术。这种转换是可重复的,可以进行后续的生物识别比较。本文介绍了一种新的思想,作为可取消生物特征识别的转换函数,旨在保护模板免受迭代优化攻击。我们提出的方案基于时变密钥(在我们的例子中是随机生物识别)和变形转换。给出了该方法在人脸生物识别中的实验实现。结果表明,该方法在抵御泄漏攻击的同时提高了识别性能。
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OTB-morph: One-time Biometrics via Morphing
Cancelable biometrics are a group of techniques to transform the input biometric to an irreversible feature intentionally using a transformation function and usually a key in order to provide security and privacy in biometric recognition systems. This transformation is repeatable enabling subsequent biometric comparisons. This paper introduces a new idea to be exploited as a transformation function for cancelable biometrics aimed at protecting templates against iterative optimization attacks. Our proposed scheme is based on time-varying keys (random biometrics in our case) and morphing transformations. An experimental implementation of the proposed scheme is given for face biometrics. The results confirm that the proposed approach is able to withstand leakage attacks while improving the recognition performance.
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