As the application of multimedia technology intensifies recently, more and more attention
has been paid to privacy protection in image data. The interest in DNA-based image …

Many chaos-based image encryption algorithms using low-dimensional chaotic mapping
and permutation diffusion structures have been proposed recently. However, low …

In the modern era, the secure transmission and storage of information are among the utmost
priorities. Optical security protocols have demonstrated significant advantages over digital …

In this paper, an optical color image encryption scheme based on fingerprint key and three-
step phase-shifting digital holography is proposed. In the proposed encryption scheme, the …

A novel asymmetric image encryption method is developed by integrating with hyper-chaotic
system (HCS), deoxyribonucleic acid (DNA) level operation, Arnold transform (ART) and …

In this paper, a new multiuser optical image encryption and authentication technique is
proposed. Sparse multiplexing and polar decomposition are used in the Fresnel domain to …

In this paper, we propose a new multiuser nonlinear optical cryptosystem using fractional-
order vortex speckle (FOVS) patterns as security keys. In conventional optical cryptosystems …

In this paper, we proposed an iterative attacking algorithm to the pure phase asymmetric
optical cryptosystem based on unequal modulus decomposition. Furthermore, we have …

As a promising technique, the spatial information of an object can be acquired by employing
active illumination of sinusoidal patterns in the Fourier single-pixel imaging. However, the …

In this paper, we have proposed asymmetric image encryption cum authentication
cryptosystem based on double random modulus decomposition using computational ghost …