With quaternion theory, the traditional discrete fractional Tchebyshev transform is extended
to the quaternion algebra domain for multi-image processing. A new multi-image encryption …

Image encryption is increasingly becoming an important area of research in information
security and network communications as digital images are widely used in various …

With the explosion of the generation, transmission and sharing of image data over the
Internet and other unsecured networks, the need for and significance of the development of …

With advancements in computer and communication technologies, the production, utilization
and applications of digital images is at an unprecedented rate. Recent applications include …

Improved software for processing medical images has inspired tremendous interest in
modern medicine in recent years. Modern healthcare equipment generates huge amounts of …

This work proposes a novel image encryption algorithm that integrates unique image
transformation techniques with the principles of chaotic and hyper-chaotic systems. By …

In this note, we review some important results on wavelets, together with their main
applications. Similarly, we present the main results on fractional calculus and their current …

The fast-paced advancement in multimedia production and exchanges over unsecured
networks have led to a dire need to develop security applications. In this regard, chaos …

Many researchers have devoted themselves to studying image encryption based on chaotic
system and have made significant strides in research in recent decades. This paper first …

Considering the current dependency on digital technology in modern society, the protection
of multimedia is highly important. Encryption is vital in modern digital communication …