Special Section on Biometrics: Advances in Security, Usability, and Interoperability

Fingerprint reference verification method using a phase-encoding-based watermarking technique

[+] Author Affiliations
Farid Ahmed

The Catholic University of America, Department of Electrical Engineering and Computer Science, Washington, DC 20064

Marie K. B. Selvanadin

The Catholic University of America, Department of Electrical Engineering and Computer Science, Washington, DC 20064

J. Electron. Imaging. 17(1), 011010 (March 13, 2008). doi:10.1117/1.2891312
History: Received June 22, 2007; Revised October 22, 2007; Accepted November 06, 2007; Published March 13, 2008
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We propose a phase-encoding-based digital watermarking technique for fingerprint template protection and verification. We extract a signature from the one-dimensional Fourier phase of the original fingerprint image (template) and then embed it back into the image using a variation of phase-shift keying modulation and the spread-spectrum method. To minimize the degradation to important minutiae features of fingerprint data, we segment the template into a region of interest (ROI) and a region of background (ROB) and embed the watermark adaptively in these two regions using an adaptive phase quantization method. We give experimental results with fingerprint biometric data that demonstrate the protection of fingerprint templates as well as the verification of fingerprint recognition.

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Citation

Farid Ahmed and Marie K. B. Selvanadin
"Fingerprint reference verification method using a phase-encoding-based watermarking technique", J. Electron. Imaging. 17(1), 011010 (March 13, 2008). ; http://dx.doi.org/10.1117/1.2891312


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