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 …

An asymmetric scheme has been proposed for optical double images encryption in the
gyrator wavelet transform (GWT) domain. Grayscale and binary images are encrypted …

Fractional transforms not only enhance the overall signal processing applications but also
improved the efficacy of systems. In this paper, we focus to present several image …

This paper introduces an asymmetric cryptosystem utilizing Triple Random Phase Encoding
(TRPE), incorporating polar decomposition (PD) and QZ modulation. The utilization of keys …

In the present paper, a fractional wavelet transform of real order α is introduced, and various
useful properties and results are derived for it. These include (for example) Perseval's …

This paper analyses the security of a nonlinear optical cryptosystem based on double
random phase encoding (DRPE). This article is upgraded through an interference-based …

A cryptosystem for securing image encryption is considered by using double random phase
encoding in Fresnel wavelet transform (FWT) domain. Random phase masks (RPMs) and …

An optical color image encryption in the Fractional Wavelet Transform (FWT) domain is
carried out. The original images are segregated into three colors components: R (red), G …

In today's digital world, security is a preeminent element in the transmission of digital
images. In this paper, image encryption algorithm is proposed using fractional transform and …

Optical Cryptosystem of Color Images based on Fractional-, Wavelet Transform Domains using
Random Phase Masks Page 1 Abstract Objectives: A technique based on optical color …