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Study on internal to surface fingerprint correlation using optical coherence tomography and internal fingerprint extraction

[+] Author Affiliations
Luke Nicholas Darlow

Rhodes University, Computer Science Department, Prince Alfred Street, Grahamstown, Eastern Cape 6139, South Africa

Modelling and Digital Science, Council for Scientific and Industrial Research, Meiring Naude Road, Pretoria, Gauteng 0184, South Africa

James Connan

Rhodes University, Computer Science Department, Prince Alfred Street, Grahamstown, Eastern Cape 6139, South Africa

J. Electron. Imaging. 24(6), 063014 (Dec 10, 2015). doi:10.1117/1.JEI.24.6.063014
History: Received July 22, 2015; Accepted November 4, 2015
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Abstract.  Surface fingerprint scanners are limited to a two-dimensional representation of the fingerprint topography, and thus, are vulnerable to fingerprint damage, distortion, and counterfeiting. Optical coherence tomography (OCT) scanners are able to image (in three dimensions) the internal structure of the fingertip skin. Techniques for obtaining the internal fingerprint from OCT scans have since been developed. This research presents an internal fingerprint extraction algorithm designed to extract high-quality internal fingerprints from touchless OCT fingertip scans. Furthermore, it serves as a correlation study between surface and internal fingerprints. Provided the scanned region contains sufficient fingerprint information, correlation to the surface topography is shown to be good (74% have true matches). The cross-correlation of internal fingerprints (96% have true matches) is substantial that internal fingerprints can constitute a fingerprint database. The internal fingerprints’ performance was also compared to the performance of cropped surface counterparts, to eliminate bias owing to information level present, showing that the internal fingerprints’ performance is superior 63.6% of the time.

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Citation

Luke Nicholas Darlow and James Connan
"Study on internal to surface fingerprint correlation using optical coherence tomography and internal fingerprint extraction", J. Electron. Imaging. 24(6), 063014 (Dec 10, 2015). ; http://dx.doi.org/10.1117/1.JEI.24.6.063014


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