MCLFIQ: Mobile Contactless Fingerprint Image Quality

• URL: http://arxiv.org/abs/2304.14123v2
• Date: Tue, 12 Dec 2023 09:45:00 GMT
• Title: MCLFIQ: Mobile Contactless Fingerprint Image Quality
• Authors: Jannis Priesnitz, Axel Wei{\ss}enfeld, Laurenz Ruzicka, Christian Rathgeb, Bernhard Strobl, Ralph Lessmann, Christoph Busch
• Abstract summary: We re-trained the NIST Fingerprint Image Quality (NFIQ) 2 method, which was originally designed for contact-based fingerprints, with a synthetic contactless fingerprint database. We evaluate the predictive performance of the resulting MCLFIQ model in terms of Error-vs.-Discard Characteristic curves on three real-world contactless fingerprint databases.
• Score: 6.041268643935127
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: We propose MCLFIQ: Mobile Contactless Fingerprint Image Quality, the first quality assessment algorithm for mobile contactless fingerprint samples. To this end, we re-trained the NIST Fingerprint Image Quality (NFIQ) 2 method, which was originally designed for contact-based fingerprints, with a synthetic contactless fingerprint database. We evaluate the predictive performance of the resulting MCLFIQ model in terms of Error-vs.-Discard Characteristic (EDC) curves on three real-world contactless fingerprint databases using three recognition algorithms. In experiments, the MCLFIQ method is compared against the original NFIQ 2.2 method, a sharpness-based quality assessment algorithm developed for contactless fingerprint images \rev{and the general purpose image quality assessment method BRISQUE. Furthermore, benchmarks on four contact-based fingerprint datasets are also conducted.} Obtained results show that the fine-tuning of NFIQ 2 on synthetic contactless fingerprints is a viable alternative to training on real databases. Moreover, the evaluation shows that our MCLFIQ method works more accurate and robust compared to all baseline methods on contactless fingerprints. We suggest considering the proposed MCLFIQ method as a \rev{starting point for the development of} a new standard algorithm for contactless fingerprint quality assessment.

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