NDLI: A 3-D Encryption Technique Using Computer-Generated Hologram

Content Provider	IEEE Xplore Digital Library
Author	Zhou Zhang Guo-dong Liu Yi-qing Gao Xiao-qiang Hu Sheng-qian Wang
Copyright Year	2008
Description	Author affiliation: Key Lab. of Nondestructive Test of Minist. of Educ. of China, Nanchang Hangkong Univ., Nanchang (Zhou Zhang; Guo-dong Liu)
Abstract	The techniques of hologram for encryption and decryption have been widely researched and applied. Almost all the information of encryption is 2-D image. Parameters (wave length, recording distance, incidence angle, etc.) are regarded as the encoded keys for encryption and decryption. In the paper a novel way to encrypt 3-D information is proposed, which is based on technique of virtual optics. A new encoded key is introduced into security hologram, the size of 3-D object, which may play an important role for better protection against counterfeiting. Furthermore, a new image quality assessment is proposed to estimate the reconstruction 3-D object of CGH called modified PSNR (peak signal-to-noise ratio). Simulation experiments show that CGH is an effective encryption technique, and modified PSNR is a proper definite quantity analysis method for 3-D imaging.
Starting Page	3
Ending Page	6
File Size	334497
Page Count	4
File Format	PDF
ISBN	9780769532882
DOI	10.1109/ICESS.Symposia.2008.41
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-07-29
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Image quality PSNR Security Hologram Holography Computer-Generated Hologram Optics Distance measurement Encryption Cryptography Image reconstruction Image Quality Assessment
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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