A review of optical image encryption techniques

S Liu, C Guo, JT Sheridan - Optics & Laser Technology, 2014 - Elsevier
In this paper we review a number of optical image encryption techniques proposed in the
literature inspired by the architecture of the classic optical Double Random Phase Encoding …

[LIBRO][B] Optical cryptosystems

NK Nishchal - 2019 - iopscience.iop.org
Advanced technologies such as artificial intelligence, big data, cloud computing, and the
Internet of Things have changed the digital landscape, providing many new and exciting …

Double phase-image encryption using gyrator transforms, and structured phase mask in the frequency plane

H Singh, AK Yadav, S Vashisth, K Singh - Optics and Lasers in …, 2015 - Elsevier
Fully-phase image encryption is considered more secure as compared to an amplitude
image encryption. In the present paper, an encryption scheme is proposed for double phase …

A novel image encryption scheme based on chaotic apertured fractional Mellin transform and its filter bank

M Wang, N Zhou, L Li, M Xu - Expert Systems with Applications, 2022 - Elsevier
A novel image encryption scheme based on chaotic apertured fractional Mellin transform
and its filter bank has been proposed in this paper. A nonlinear chaotic apertured fractional …

Fully phase image encryption using double random-structured phase masks in gyrator domain

H Singh, AK Yadav, S Vashisth, K Singh - Applied optics, 2014 - opg.optica.org
We propose a method for fully phase image encryption based on double random-structured
phase mask encoding in the gyrator transform (GT) domain. The security of the system is …

Gyrator transform-based optical image encryption, using chaos

N Singh, A Sinha - Optics and Lasers in Engineering, 2009 - Elsevier
We propose a new method for image encryption, using gyrator transform and chaos theory.
Random phase masks are generated using chaos functions and are called as chaotic …

Color image security system using double random-structured phase encoding in gyrator transform domain

MR Abuturab - Applied optics, 2012 - opg.optica.org
A novel method for encoding color information based on a double random phase mask and
a double structured phase mask in a gyrator transform domain is proposed. The amplitude …

Fresnel domain nonlinear optical image encryption scheme based on Gerchberg–Saxton phase-retrieval algorithm

SK Rajput, NK Nishchal - Applied optics, 2014 - opg.optica.org
We propose a novel nonlinear image-encryption scheme based on a Gerchberg–Saxton
(GS) phase-retrieval algorithm in the Fresnel transform domain. The decryption process can …

Known-plaintext attack-based optical cryptosystem using phase-truncated Fresnel transform

SK Rajput, NK Nishchal - Applied Optics, 2013 - opg.optica.org
In this paper, we propose a scheme for information security under the basic double random
phase encoding framework but with enhanced complexity and immunity against the known …

Experimental implementation of the gyrator transform

JA Rodrigo, T Alieva, ML Calvo - JOSA A, 2007 - opg.optica.org
The gyrator transform (GT) promises to be a useful tool in image processing, holography,
beam characterization, mode transformation, and quantum information. We introduce what …