Heart-Based Biometric Protocols: A look back over almost two decades
It provides a comprehensive overview for researchers in biometrics and security, but it is incremental as it synthesizes existing literature without novel findings.
This survey reviews heart-based biometric protocols from 2003 to 2021, focusing on how heart signals are processed into discrete values for authentication, but it does not present new experimental results or concrete numbers.
This article surveys the literature over the period 2003-2021 on heart-based biometric protocols. In particular, we focus on how the heart signal is transformed from a continuous wave to discrete values to be used afterwards in authentication protocols. We explain and classify the surveyed proposals according to three main parameters: i) the dataset they use for testing their results; ii) the delineation algorithms they use to extract the fiducial points, and; iii) the cryptographic tests they run (if any) to validate how random the extracted token is.