Images contain very sensitive and confidential information. Because images play a
significant role in many applications such as military communication, remote‐sensing, and …

Background and Aim: due to the rapid growth of data communication and multimedia system
applications, security becomes a critical issue in the communication and storage of images …

A chaotic map plays a critical role in image encryption (IME). The map used to generate
chaotic sequences should perform high dynamic characteristics. In this study, a new chaotic …

A chaotic map generally employed to generate chaotic sequence is key element for an
image encryption algorithm (IEA). In this study, an IEA using novel 2D chaotic map, which is …

In this paper, a novel modified whale optimization algorithm based on Tent chaos map and
tournament selection strategy (MWOA) was presented. The aim of the improved algorithm is …

Image encryption schemes can be vulnerable to a variety of cryptanalysis attacks. The use of
key-dependent dynamic S-boxes has been shown to improve security. Threats of chosen …

Recently, an image block encryption algorithm was proposed based on some well-known
chaotic maps. The authors claim that the encryption algorithm achieves enough security …

In this paper, a controllable photosensitive neuron model is designed by incorporating two
phototubes in parallel in the FitzHugh–Nagumo neural circuit. The two phototubes are …

A chaotic map, which is realized on finite precision device, such as computer, will suffer
dynamical degradation. Such chaotic maps cannot be regarded as rigorous chaos anymore …

Genetic algorithms (GAs) are intended to look for the optimum solution by eliminating the
gene strings with the worst fitness. Hence, this paper proposes an optimized edge detection …