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 …
literature inspired by the architecture of the classic optical Double Random Phase Encoding …
Nonlinear optical multi-image encryption scheme with two-dimensional linear canonical transform
A nonlinear optical multi-image encryption scheme based on chaotic system and two-
dimensional linear canonical transform (2D LCT) is designed. Firstly, the low-frequency sub …
dimensional linear canonical transform (2D LCT) is designed. Firstly, the low-frequency sub …
Double image encryption by using iterative random binary encoding in gyrator domains
We propose a double image encryption by using random binary encoding and gyrator
transform. Two secret images are first regarded as the real part and imaginary part of …
transform. Two secret images are first regarded as the real part and imaginary part of …
Image encryption using binary polarization states of light beam
A Shikder, NK Nishchal - Scientific Reports, 2023 - nature.com
Optical image/data encryption techniques are mostly based on the manipulation of spatial
distributions of light's amplitude, phase, and polarization. Information encoding with phase …
distributions of light's amplitude, phase, and polarization. Information encoding with phase …
Image encryption algorithm by using fractional Fourier transform and pixel scrambling operation based on double random phase encoding
To enhance the security of double random phase encoding, a kind of amplitude scrambling
operation is designed and introduced into an image encryption process. The random data of …
operation is designed and introduced into an image encryption process. The random data of …
Fully phase image encryption using double random-structured phase masks in gyrator domain
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 …
phase mask encoding in the gyrator transform (GT) domain. The security of the system is …
A novel multi-dimensional multiple image encryption technique
This paper proposes a novel secure and fast multiple image encryption technique to encrypt
multiple images of arbitrary sizes. In the proposed technique, a group of images is divided …
multiple images of arbitrary sizes. In the proposed technique, a group of images is divided …
Image encryption scheme by using iterative random phase encoding in gyrator transform domains
Z Liu, L Xu, C Lin, J Dai, S Liu - Optics and Lasers in Engineering, 2011 - Elsevier
An image encryption is discussed based on the random phase encoding method in gyrator
domains. An iterative structure of image encryption is designed for introducing more random …
domains. An iterative structure of image encryption is designed for introducing more random …
A Novel virtual optical image encryption scheme created by combining chaotic S-Box with double random phase encoding
P Tian, R Su - Sensors, 2022 - mdpi.com
The double random phase encoding (DRPE) system plays a significant role in encrypted
systems. However, it is a linear system that leads to security holes in encrypted systems. To …
systems. However, it is a linear system that leads to security holes in encrypted systems. To …
Color image encryption based on the affine transform and gyrator transform
A color image encryption algorithm is designed by using the affine transform in the gyrator
transform domains. The RGB components of the color image are converted into the real part …
transform domains. The RGB components of the color image are converted into the real part …