De-identification for privacy protection in biometrics

De-identification for privacy protection in biometrics

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De-identification, which is defined as the process of removing or concealing personal identifiers or replacing them with surrogate personal identifiers to prevent direct or indirect identification of a person, is recognized as an efficient tool for protection of a person's privacy that is one of the most important social and political issues of today's information society. The chapter “De-identification for privacy protection in biometrics” aims to review the progress of recent research on the de-identification of biometric personal identifiers. The chapter covers de-identification of physiological biometric identifiers (face, fingerprint, iris, ear), behavioural biometric identifiers (voice, gait, gesture), as well as soft biometrics identifiers (body silhouette, gender, tattoo) and discuss different threats to person's privacy in biometrics.

Chapter Contents:

  • 13.1 Introduction
  • 13.2 De-identification and irreversible de-identification
  • 13.2.1 De-identification and anonymization
  • 13.2.2 Multimodal de-identification
  • 13.2.3 Taxonomy of the personal identifiers
  • 13.3 De-identification of physiological biometric identifiers
  • 13.3.1 Face de-identification in still images
  • 13.3.2 Face de-identification in videos
  • 13.3.3 Fingerprint de-identification
  • 13.3.4 Iris de-identification
  • 13.3.5 Ear de-identification
  • 13.4 De-identification of behavioural biometric identifiers
  • 13.4.1 Voice de-identification
  • 13.4.2 Gait and gesture de-identification
  • 13.5 De-identification of soft biometric identifiers
  • 13.5.1 Body silhouette de-identification
  • 13.5.2 Gender, age, race and ethnicity de-identification
  • 13.5.3 Scars, marks and tattoos de-identification
  • 13.6 Conclusion
  • Acknowledgements
  • References

Inspec keywords: data protection; biometrics (access control)

Other keywords: deidentification; behavioural biometric identifiers; physiological biometric identifiers; soft biometrics identifiers; privacy protection

Subjects: Image recognition; Computer vision and image processing techniques; Data security

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