期刊
IEEE TRANSACTIONS ON INFORMATION FORENSICS AND SECURITY
卷 18, 期 -, 页码 2493-2507出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIFS.2023.3266625
关键词
Pose estimation; Fingerprint recognition; Feature extraction; Indexing; Iris recognition; Face recognition; Shape; fingerprint pose estimation; dense voting; deep neural network; fingerprint indexing; fingerprint verification
In this study, a fusion of voting strategy and deep network is proposed to estimate fingerprint center and direction. Experimental results show that this approach can achieve consistent fingerprint pose estimations, improve performance of fingerprint indexing and verification, and be robust to different sensing technologies and impression types.
Aligning fingerprint images to a unified coordinate system defined by fingerprint pose is beneficial for fast and accurate fingerprint matching. Due to poor ridge quality and partial observations, however, performance of the state-of-the-art fingerprint pose estimation algorithms remains unsatisfactory. In this study, we propose to fuse voting strategy and deep network to estimate fingerprint center and direction. Rather than regressing them directly, we predict dense offset maps and vote for the final estimation. Experimental results on ten fingerprint datasets with over 60K fingerprints show that (1) highly consistent fingerprint pose estimations are obtained across different impressions of the same finger, (2) performance of fingerprint indexing and verification is further improved thanks to more accurate fingerprint pose estimation, and (3) the proposed approach is more robust to sensing technologies (optical, capacitive, inking, and direct imaging) and impression types (rolled, plain, latent, and contactless).
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