Multiple-stage pure phase encoding with biometric information

Wen Chen

doi:10.1117/12.2284111

Multiple-stage pure phase encoding with biometric information

The Hong Kong Polytechnic University

Research output: Chapter in book / Conference proceeding › Conference article published in proceeding or book › Academic research › peer-review

Abstract

In recent years, many optical systems have been developed for securing information, and optical encryption/encoding has attracted more and more attention due to the marked advantages, such as parallel processing and multiple-dimensional characteristics. In this paper, an optical security method is presented based on pure phase encoding with biometric information. Biometric information (such as fingerprint) is employed as security keys rather than plaintext used in conventional optical security systems, and multiple-stage phase-encoding-based optical systems are designed for generating several phase-only masks with biometric information. Subsequently, the extracted phase-only masks are further used in an optical setup for encoding an input image (i.e., plaintext). Numerical simulations are conducted to illustrate the validity, and the results demonstrate that high flexibility and high security can be achieved.

Original language	English
Title of host publication	2017 International Conference on Optical Instruments and Technology
Subtitle of host publication	Optoelectronic Imaging/Spectroscopy and Signal Processing Technology
Editors	Guohai Situ, Wolfgang Osten, Xun Cao
Publisher	SPIE
Volume	10620
ISBN (Electronic)	9781510617513
DOIs	https://doi.org/10.1117/12.2284111
Publication status	Published - 1 Jan 2018
Event	2017 International Conference on Optical Instruments and Technology: Optoelectronic Imaging/Spectroscopy and Signal Processing Technology, OIT 2017 - Beijing, China Duration: 28 Oct 2017 → 30 Oct 2017

Conference

Conference	2017 International Conference on Optical Instruments and Technology: Optoelectronic Imaging/Spectroscopy and Signal Processing Technology, OIT 2017
Country/Territory	China
City	Beijing
Period	28/10/17 → 30/10/17

Keywords

Iterative phase retrieval
Multistage system
Optical image processing
Phase encoding
Phase-only masks

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

More information

10.1117/12.2284111

http://hdl.handle.net/10397/106960

Cite this

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Chen, W 2018, Multiple-stage pure phase encoding with biometric information. in G Situ, W Osten & X Cao (eds), 2017 International Conference on Optical Instruments and Technology: Optoelectronic Imaging/Spectroscopy and Signal Processing Technology. vol. 10620, 1062007, SPIE, 2017 International Conference on Optical Instruments and Technology: Optoelectronic Imaging/Spectroscopy and Signal Processing Technology, OIT 2017, Beijing, China, 28/10/17. https://doi.org/10.1117/12.2284111

Multiple-stage pure phase encoding with biometric information. / Chen, Wen.
2017 International Conference on Optical Instruments and Technology: Optoelectronic Imaging/Spectroscopy and Signal Processing Technology. ed. / Guohai Situ; Wolfgang Osten; Xun Cao. Vol. 10620 SPIE, 2018. 1062007.

Research output: Chapter in book / Conference proceeding › Conference article published in proceeding or book › Academic research › peer-review

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N2 - In recent years, many optical systems have been developed for securing information, and optical encryption/encoding has attracted more and more attention due to the marked advantages, such as parallel processing and multiple-dimensional characteristics. In this paper, an optical security method is presented based on pure phase encoding with biometric information. Biometric information (such as fingerprint) is employed as security keys rather than plaintext used in conventional optical security systems, and multiple-stage phase-encoding-based optical systems are designed for generating several phase-only masks with biometric information. Subsequently, the extracted phase-only masks are further used in an optical setup for encoding an input image (i.e., plaintext). Numerical simulations are conducted to illustrate the validity, and the results demonstrate that high flexibility and high security can be achieved.

AB - In recent years, many optical systems have been developed for securing information, and optical encryption/encoding has attracted more and more attention due to the marked advantages, such as parallel processing and multiple-dimensional characteristics. In this paper, an optical security method is presented based on pure phase encoding with biometric information. Biometric information (such as fingerprint) is employed as security keys rather than plaintext used in conventional optical security systems, and multiple-stage phase-encoding-based optical systems are designed for generating several phase-only masks with biometric information. Subsequently, the extracted phase-only masks are further used in an optical setup for encoding an input image (i.e., plaintext). Numerical simulations are conducted to illustrate the validity, and the results demonstrate that high flexibility and high security can be achieved.

KW - Iterative phase retrieval

KW - Multistage system

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KW - Phase encoding

KW - Phase-only masks

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A2 - Osten, Wolfgang

A2 - Cao, Xun

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Multiple-stage pure phase encoding with biometric information

Abstract

Conference

Keywords

ASJC Scopus subject areas

More information

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