Recognition technology research based on 3D fingerprint

Qianxiao Tian; Shujun Huang; Zonghua Zhang

doi:10.1117/12.2073003

13 November 2014 Recognition technology research based on 3D fingerprint

Qianxiao Tian, Shujun Huang, Zonghua Zhang

Proceedings Volume 9279, Real-time Photonic Measurements, Data Management, and Processing; 92790O (2014) https://doi.org/10.1117/12.2073003
Event: SPIE/COS Photonics Asia, 2014, Beijing, China

Abstract

Fingerprint has been widely studied and applied to personal recognition in both forensics and civilian. However, the current widespread used fingerprint is identified by 2D (two-dimensional) fingerprint image and the mapping from 3D (three-dimensional) to 2D loses 1D information, which leads to low accurate and even wrong recognition. This paper presents a 3D fingerprint recognition method based on the fringe projection technique. A series of fringe patterns generated by software are projected onto a finger surface through a projecting system. From another viewpoint, the fringe patterns are deformed by the finger surface and captured by a CCD camera. The deformed fringe pattern images give the 3D shape data of the finger and the 3D fingerprint features. Through converting the 3D fingerprints to 2D space, traditional 2D fingerprint recognition method can be used to 3D fingerprints recognition. Experimental results on measuring and recognizing some 3D fingerprints show the accuracy and availability of the developed 3D fingerprint system.

Citation Download Citation

Qianxiao Tian, Shujun Huang, and Zonghua Zhang "Recognition technology research based on 3D fingerprint", Proc. SPIE 9279, Real-time Photonic Measurements, Data Management, and Processing, 92790O (13 November 2014); https://doi.org/10.1117/12.2073003

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KEYWORDS

Fingerprint recognition

3D image processing

3D acquisition

Fringe analysis

Image filtering

Biometrics

3D metrology

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