A Uniform Representation Learning Method for OCT-based Fingerprint Presentation Attack Detection and Reconstruction

• URL: http://arxiv.org/abs/2209.12208v1
• Date: Sun, 25 Sep 2022 12:31:40 GMT
• Title: A Uniform Representation Learning Method for OCT-based Fingerprint Presentation Attack Detection and Reconstruction
• Authors: Wentian Zhang, Haozhe Liu, Feng Liu, Raghavendra Ramachandra
• Abstract summary: Presentation Attack Detection (PAD) and subsurface fingerprint reconstruction based on depth information are treated as two independent branches. This paper proposes a uniform representation model for OCT-based fingerprint PAD and subsurface fingerprint reconstruction.
• Score: 8.764696645299603
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: The technology of optical coherence tomography (OCT) to fingerprint imaging opens up a new research potential for fingerprint recognition owing to its ability to capture depth information of the skin layers. Developing robust and high security Automated Fingerprint Recognition Systems (AFRSs) are possible if the depth information can be fully utilized. However, in existing studies, Presentation Attack Detection (PAD) and subsurface fingerprint reconstruction based on depth information are treated as two independent branches, resulting in high computation and complexity of AFRS building.Thus, this paper proposes a uniform representation model for OCT-based fingerprint PAD and subsurface fingerprint reconstruction. Firstly, we design a novel semantic segmentation network which only trained by real finger slices of OCT-based fingerprints to extract multiple subsurface structures from those slices (also known as B-scans). The latent codes derived from the network are directly used to effectively detect the PA since they contain abundant subsurface biological information, which is independent with PA materials and has strong robustness for unknown PAs. Meanwhile, the segmented subsurface structures are adopted to reconstruct multiple subsurface 2D fingerprints. Recognition can be easily achieved by using existing mature technologies based on traditional 2D fingerprints. Extensive experiments are carried on our own established database, which is the largest public OCT-based fingerprint database with 2449 volumes. In PAD task, our method can improve 0.33% Acc from the state-of-the-art method. For reconstruction performance, our method achieves the best performance with 0.834 mIOU and 0.937 PA. By comparing with the recognition performance on surface 2D fingerprints, the effectiveness of our proposed method on high quality subsurface fingerprint reconstruction is further proved.

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