2D hybrid chaos map for image security transform based on framelet and cellular automata

Y Khedmati, R Parvaz, Y Behroo - Information Sciences, 2020 - Elsevier
One of the most important data in the social networks is image, so improving the existing
methods can be essential to obtain a safe environment for transforming. In this paper, we …

Image steganography based on a new hybrid chaos map and discrete transforms

J Sharafi, Y Khedmati, MM Shabani - Optik, 2021 - Elsevier
With the development of Internet networks, the importance of information security is
becoming more and more significant. Therefore, it is considered necessary to study the …

Hybrid image encryption algorithm based on 3D chaotic system and choquet fuzzy integral

R Hosseinzadeh, M Zarebnia, R Parvaz - Optics & Laser Technology, 2019 - Elsevier
In this paper, a novel image encryption algorithm based on 3D hybrid chaotic system and
choquet fuzzy integral is introduced. To construct an algorithm with high sensitivity and least …

[HTML][HTML] Full Lyapunov exponents spectrum with Deep Learning from single-variable time series

C Mayora-Cebollero, A Mayora-Cebollero… - Physica D: Nonlinear …, 2025 - Elsevier
In this article we study if a Deep Learning technique can be used to obtain an approximate
value of the Lyapunov exponents of a dynamical system. Moreover, we want to know if …

Image encryption algorithm by fractional based chaotic system and framelet transform

M Zarebnia, R Parvaz - Chaos, Solitons & Fractals, 2021 - Elsevier
One of the most important tools used to create a secure environment for transmitting
information is the use of chaotic systems. In the present work, chaotic systems have been …

A new 4D chaos system with an encryption algorithm for color and grayscale images

R Parvaz, YK Yengejeh, Y Behroo - International Journal of …, 2022 - World Scientific
In this paper, a new 4D chaos system is introduced based on the mathematical structure
through composing and transferring. The behavior of the proposed chaotic system is studied …

Optimal location using genetic algorithms for chaotic image steganography technique based on discrete framelet transform

AY Darani, YK Yengejeh, G Navarro… - Digital Signal …, 2024 - Elsevier
The development of network technology and its use have led society into the internet world
and communication through digital data. The ease of access to digital resources and the …

Dynamical 2D and 3D image encryption method by hybrid system based on cat map and wavelet transform

M Zarebnia, R Parvaz - Optik, 2020 - Elsevier
In this paper, a novel random sequence generator based on cat map and hybrid chaos
system is introduced. The features of the new system are investigated by various tests as …

Fast Simulation and Chaos Investigation of a DC‐DC Boost Inverter

R Dhifaou, H Brahmi - Complexity, 2021 - Wiley Online Library
Intensive and repetitive simulations are required to study static and dynamic behaviours of
systems. Particular phenomena such as bifurcation and chaos require long simulation times …

Implementation of a chaotic true random number generator based on fuzzy modeling

TTN Nguyen, G Kaddoum… - 2018 16th IEEE …, 2018 - ieeexplore.ieee.org
The present work demonstrates a new approach to design a chaos-based random number
generator, for high-security communications and cryptographic applications. In our …