Encrypting 2D/3D image using improved lensless integral imaging in Fresnel domain

Xiao Wei Li, Qiong Hua Wang, Seok Tae Kim, In Kwon Lee

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

We propose a new image encryption technique, for the first time to our knowledge, combined Fresnel transform with the improved lensless integral imaging technique. In this work, before image encryption, the input image is first recorded into an elemental image array (EIA) by using the improved lensless integral imaging technique. The recorded EIA is encrypted into random noise by use of two phase masks located in the Fresnel domain. The positions of phase masks and operation wavelength, as well as the integral imaging system parameters are used as encryption keys that can ensure security. Compared with previous works, the main novelty of this proposed method resides in the fact that the elemental images possess distributed memory characteristic, which greatly improved the robustness of the image encryption algorithm. Meanwhile, the proposed pixel averaging algorithm can effectively address the overlapping problem existing in the computational integral imaging reconstruction process. Numerical simulations are presented to demonstrate the feasibility and effectiveness of the proposed method. Results also indicate the high robustness against data loss attacks.

Original languageEnglish
Pages (from-to)260-270
Number of pages11
JournalOptics Communications
Volume381
DOIs
Publication statusPublished - 2016 Dec 15

Fingerprint

Cryptography
Imaging techniques
Masks
imaging techniques
Imaging systems
masks
distributed memory
Pixels
Data storage equipment
Wavelength
random noise
Computer simulation
attack
pixels
wavelengths
simulation

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Physical and Theoretical Chemistry
  • Electrical and Electronic Engineering

Cite this

Li, Xiao Wei ; Wang, Qiong Hua ; Kim, Seok Tae ; Lee, In Kwon. / Encrypting 2D/3D image using improved lensless integral imaging in Fresnel domain. In: Optics Communications. 2016 ; Vol. 381. pp. 260-270.
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Encrypting 2D/3D image using improved lensless integral imaging in Fresnel domain. / Li, Xiao Wei; Wang, Qiong Hua; Kim, Seok Tae; Lee, In Kwon.

In: Optics Communications, Vol. 381, 15.12.2016, p. 260-270.

Research output: Contribution to journalArticle

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