Fingerprint template protection using SNL approach-based pattern transformation Online publication date: Fri, 01-Sep-2023
by Joycy K. Antony; K. Kanagalakshmi
International Journal of Biometrics (IJBM), Vol. 15, No. 5, 2023
Abstract: This paper proposes snake and ladder (SNL)-based cancellable biometric model with two-phase, such as enrolment along with the authentication phase using SNL approach. Here, the combination of two fingerprints is given as input for generating virtual identity. Moreover, the fingerprints are given as input to the enrolment phase. From one fingerprint, minutiae positions are obtained and from another one, orientation is obtained. The extracted information is further used to generate the combined minutiae template. Then, the SNL is applied which comprises certain strategies like intermixing, swapping, and simulated values insertion for providing a new virtual identity. Meanwhile, the authentication phase is implemented wherein the model needs two queries as fingerprints for confirmation. The proposed SNL-based cancellable biometric technique shows superior performance having maximal accuracy of 91.332%, minimal FAR of 5.434%, minimal FRR of 3.504%, and maximal GAR of 94.565%.
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