PPG and fingerprint: robust bimodal biometric system Online publication date: Fri, 06-Oct-2023
by Akhil Walia; Amit Kaul
International Journal of Biometrics (IJBM), Vol. 15, No. 6, 2023
Abstract: Technological advancements in the field of biometrics have resulted in the development of completely automatic methods for human recognition leading to a better and secure lifestyle. However, even though biometric traits like fingerprints exhibit a high degree of permanence, still certain security issues exist. The main objective of this work is to tackle spoofing attacks by introducing some liveness property in the biometric system. The PPG signal possesses various properties such as inherent liveness, ease of acquisition and low development cost. A robust biometric system, immune to direct attacks, using a combination of PPG and fingerprint has been suggested in this work. Score level fusion has been employed for integration of two modalities in parallel mode by optimising the scores of individual traits using interior point algorithm. This bimodal biometric with PPG and fingerprint as two modalities seems quite practical. A CRR of 100% has been achieved in experiments conducted on 38 healthy subjects.
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