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A Survey of Wearable Biometric Recognition Systems

Blasco, J., Chen, T. ORCID: 0000-0001-8037-1685, Tapiador, J. and Peris-Lopez, P. (2016). A Survey of Wearable Biometric Recognition Systems. ACM Computing Surveys, 49(3), 43.. doi: 10.1145/2968215

Abstract

The growing popularity of wearable devices is leading to new ways to interact with the environment, with other smart devices, and with other people. Wearables equipped with an array of sensors are able to capture the owner’s physiological and behavioural traits, thus are well suited for biometric authentication to control other devices or access digital services. However, wearable biometrics have substantial differences from traditional biometrics for computer systems, such as fingerprints, eye features, or voice. In this article, we discuss these differences and analyse how researchers are approaching the wearable biometrics field. We review and provide a categorization of wearable sensors useful for capturing biometric signals. We analyse the computational cost of the different signal processing techniques, an important practical factor in constrained devices such as wearables. Finally, we review and classify the most recent proposals in the field of wearable biometrics in terms of the structure of the biometric system proposed, their experimental setup, and their results. We also present a critique of experimental issues such as evaluation and feasibility aspects, and offer some final thoughts on research directions that need attention in future work.

Publication Type: Article
Additional Information: © ACM 2016. This is the author's version of the work. It is posted here for your personal use. Not for redistribution. The definitive Version of Record was published in 'ACM Computing Surveys, http://dx.doi.org/10.1145/2968215.
Publisher Keywords: Wearables, biometrics, biosignals, authentication, sensor, ECG, PPG, heart sound, accelerometer, machine learning
Departments: School of Mathematics, Computer Science & Engineering > Engineering
School of Mathematics, Computer Science & Engineering > Engineering > Electrical & Electronic Engineering
URI: http://openaccess.city.ac.uk/id/eprint/19487
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