Results 1 to 10 of about 13,731 (261)
Image Encryption Using a New Hybrid Chaotic Map and Spiral Transformation [PDF]
Entropy, 2023 Image encryption based on chaotic maps is an important method for ensuring the secure communication of digital multimedia on the Internet. To improve the encryption performance and security of image encryption systems, a new image encryption algorithm is
Mingfang Jiang, Hengfu Yang
doaj +2 more sources
Fractional Form of a Chaotic Map without Fixed Points: Chaos, Entropy and Control [PDF]
Entropy, 2018 In this paper, we investigate the dynamics of a fractional order chaotic map corresponding to a recently developed standard map that exhibits a chaotic behavior with no fixed point.
Adel Ouannas +5 more
doaj +2 more sources
Robustification of a One-Dimensional Generic Sigmoidal Chaotic Map with Application of True Random Bit Generation [PDF]
Entropy, 2018 The search for generation approaches to robust chaos has received considerable attention due to potential applications in cryptography or secure communications.
Nattagit Jiteurtragool +2 more
doaj +2 more sources
Chaotic Map with No Fixed Points: Entropy, Implementation and Control [PDF]
Entropy, 2019 A map without equilibrium has been proposed and studied in this paper. The proposed map has no fixed point and exhibits chaos. We have investigated its dynamics and shown its chaotic behavior using tools such as return map, bifurcation diagram and ...
Van Van Huynh +5 more
doaj +2 more sources
Memristor-type chaotic mapping [PDF]
Chaos: An Interdisciplinary Journal of Nonlinear Science, 2022 In this letter, a compact memristor structure unit is applied for constructing the discrete chaotic system and, consequently, a memristor-type chaotic mapping is designed. Two independent system parameters are proven to be partial and total amplitude controllers. Meanwhile, the internal memristor parameter returns the map a typical bifurcation. Finally,
Yongxin Li +3 more
openaire +2 more sources
Image encryption using improved Cubic map and Henon map [PDF]
ITM Web of Conferences, 2022 In this paper, constructing the improved chaotic map which multiplies the output value of the chaotic map by a large value, and subtracts its integer part. Simulation results show that the chaos range of the improved chaotic map is enlarged.
Xu Yaoqun, Zhen Xinxin
doaj +1 more source
Symbolic partition in chaotic maps [PDF]
Chaos: An Interdisciplinary Journal of Nonlinear Science, 2021 In this work, we only use data on the unstable manifold to locate the partition boundaries by checking folding points at different levels, which practically coincide with homoclinic tangencies. The method is then applied to the classic two-dimensional Hénon map and a well-known three-dimensional map.
Misha Chai, Yueheng Lan
openaire +3 more sources
Design of a Dynamic Sparse Circulant Measurement Matrix Based on a New Compound Sine Chaotic Map
IEEE Access, 2022 The performance of a measurement matrix is always the key factor affecting the application of compressed sensing in engineering practice. A measurement matrix designed based on a chaotic map is easy to implement in physical circuits, but the weak chaotic
Jiliang Jin +5 more
doaj +1 more source
Performance Analysis of Chaotic Neural Network and Chaotic Cat Map Based Image Encryption
Sakarya University Journal of Computer and Information Sciences, 2022 Nowadays, chaotic systems are used quite often, especially in image encryption applications. Hypersensitivity to the initial conditions, limited field-changing signs and irregular movements make these systems one of the critical elements in scientific ...
Cihan Karakuzu, Sefa Tunçer
doaj +1 more source
IEEE Access, 2022 We present a general framework for improving the chaotic properties of CMOS-based chaotic maps by cascading multiple maps in series. Along with two novel chaotic map topologies, we present the 45 $nm$ designs for four CMOS-based discrete-time chaotic ...
Partha Sarathi Paul +4 more
doaj +1 more source