Images serve as a valuable information carrier for their properties of visualization and
holding a large amount of messages. This paper presents a novel chaos-based encryption …

The security of healthcare and telemedicine systems is a critical issue that must be
significantly investigated. Several smart telemedicine applications are expected to be …

In this paper, we propose a hyperchaotic image encryption system based on particle swarm
optimization algorithm (PSO) and cellular automata (CA). Firstly, to improve the ability to …

Over the last few years, lots of chaotic image encryption schemes have been proposed.
However, most of the schemes are permutation-diffusion architectures which still have some …

The present work studies a novel efficient compressed based cryptosystem which combines
a dynamical parameter coming from high dimensional system, a dynamics S-box and a 2D …

The advancement in technology with high computing power leads to many security attacks.
Thus, the demand for innovative security algorithms is also rising. In the healthcare system …

In order to improve the efficiency and security of image compression-encryption algorithms,
we propose a double image compression-encryption scheme based on fractional hyper …

With the development of mobile communication network, especially 5G today and 6G in the
future, the security and privacy of digital images are important in network applications …

Considering that traditional cryptographic systems are under threat of quantum computing, a
visual image encryption algorithm based on controlled quantum is proposed. First, the …

Compressed sensing (CS) has been applied for image compression and encryption, for it
may compress and encrypt images simultaneously. However, some CS-based image …