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Optical encryption of three-dimensional information based on integral imaging and ptychography

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

In this paper, we propose an optical method based on integral imaging(II) and ptychography to encrypt threedimensional( 3D) information with simple architecture. The 3D scene plaintext is encrypted by a camera array and double-random phase masks via ptychography to generate a series of diffraction intensity patterns as ciphertexts. Then, the decrypting process with ptychographic iteration and II reconstruction is employed to retrieve high-quality 3D images. Since scanning light probes and parameters of II can serve as secret keys that enlarge the key space, and elemental image array generated by the II pickup has redundancy property, the security of encryption scheme can be improved significantly. Also, the decrypted 3D images in our proposed method have high-quality. Preliminary experiments are carried out, and the results demonstrate the feasibility and robustness of our proposed method. Especially, this research is suitable for real large-size 3D scene.

Original languageEnglish
Title of host publicationSelected Papers of the Chinese Society for Optical Engineering Conferences held October and November 2016
EditorsHesheng Chen, Jianyu Wang, Jialing Le, Jianda Shao, Yueguang Lv
PublisherSPIE
ISBN (Electronic)9781510610118
DOIs
StatePublished - 2017
Externally publishedYes
EventChinese Society for Optical Engineering Conferences, CSOE 2016 - Jinhua, Suzhou, Chengdu, Xi'an, and Wuxi, China
Duration: 1 Nov 2016 → …

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume10255
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferenceChinese Society for Optical Engineering Conferences, CSOE 2016
Country/TerritoryChina
CityJinhua, Suzhou, Chengdu, Xi'an, and Wuxi
Period1/11/16 → …

Keywords

  • Integral imaging
  • Optical encryption
  • Ptychography
  • Three-dimensional information

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