An Overview of Privacy-enhancing Technologies in Biometric Recognition

• URL: http://arxiv.org/abs/2206.10465v1
• Date: Tue, 21 Jun 2022 15:21:29 GMT
• Title: An Overview of Privacy-enhancing Technologies in Biometric Recognition
• Authors: Pietro Melzi, Christian Rathgeb, Ruben Tolosana, Ruben Vera-Rodriguez, Christoph Busch
• Abstract summary: This work provides an overview of concepts of privacy-enhancing technologies for biometrics in a unified framework. Fundamental properties and limitations of existing approaches are discussed and related to data protection techniques and principles. This paper is meant as a point of entry to the field of biometric data protection and is directed towards experienced researchers as well as non-experts.
• Score: 12.554656658516262
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: Privacy-enhancing technologies are technologies that implement fundamental data protection principles. With respect to biometric recognition, different types of privacy-enhancing technologies have been introduced for protecting stored biometric data which are generally classified as sensitive. In this regard, various taxonomies and conceptual categorizations have been proposed and standardization activities have been carried out. However, these efforts have mainly been devoted to certain sub-categories of privacy-enhancing technologies and therefore lack generalization. This work provides an overview of concepts of privacy-enhancing technologies for biometrics in a unified framework. Key aspects and differences between existing concepts are highlighted in detail at each processing step. Fundamental properties and limitations of existing approaches are discussed and related to data protection techniques and principles. Moreover, scenarios and methods for the assessment of privacy-enhancing technologies for biometrics are presented. This paper is meant as a point of entry to the field of biometric data protection and is directed towards experienced researchers as well as non-experts.

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