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Digital Holographic Security Identification System  

Kim, Jung-Hoi (Chungbuk Nat'l Univ)
Kim, Nam (Chungbuk Nat'l Univ)
Jeon, Seok-Hee (Univ. of Incheon)
Publication Information
Journal of the Institute of Electronics Engineers of Korea SP / v.41, no.2, 2004 , pp. 89-98 More about this Journal
Abstract
In this paper, we implement a digital holographic security card system that combines digital holographic memory using random phase encoded reference beams with electrical biometrics. Digitally encoded data including a document, a picture of face, and a fingerprint are recorded by multiplexing of holographic memory. A random phase mask encoding reference beams are used as a decoded key to protect illegal counterfeit. As a result, we can achieve a raw BER of 3.6${\times}$10-4 and shift selectivity of 4${\mu}{\textrm}{m}$ using the 2D random phase mask. Also, we develop a recording pattern and image processing which are suitable for a low cost reader without a position sensing photo-detector for real time data extraction and remove danger of fraud from unauthorized person by comparing the reconstructed holographic data with the live fingerprint data.
Keywords
digital holographic security card system; holographic memory; random phase mask; fingerprint;
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