Results 21 to 30 of about 145,797 (288)
A novel image encryption/decryption scheme based on integrating multiple chaotic maps
AIP Advances, 2020 In this paper, a novel framework is presented for chaotic image encryption. The proposed method is based on integrating multiple chaotic maps (e.g., logistic, tent, quadratic, cubic, and Bernoulli) to generate more robust chaotic maps in order to ...
Bedir Yousif +3 more
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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
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A Class of Quadratic Polynomial Chaotic Maps and its Application in Cryptography
IEEE Access, 2019 At present, the probability density of most chaotic systems is unknown, and the statistical characteristics of chaotic sequences cannot be described by the probability density of chaotic maps. This paper constructs a class of quadratic polynomial chaotic
Shuqin Zhu +3 more
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A Double-Layer Image Encryption Scheme Based on Chaotic Maps and DNA Strand Displacement
Journal of Chemistry, 2022 The image encryption schemes combining chaotic maps, DNA coding, and DNA sequence operation can effectively protect the image. In this paper, a double-layer image encryption scheme is proposed by combining chaotic maps with DNA strand displacement (DSD).
Zhen Tang +5 more
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Chaotic mixing in a torus map [PDF]
Chaos: An Interdisciplinary Journal of Nonlinear Science, 2003 The advection and diffusion of a passive scalar is investigated for a map of the 2-torus. The map is chaotic, and the limit of almost-uniform stretching is considered. This allows an analytic understanding of the transition from a phase of constant scalar variance (for short times) to exponential decay (for long times). This transition is embodied in a
Thiffeault, JL, Childress, S
openaire +6 more sources
The importance of choosing attractors for optimizing chaotic communications [PDF]
, 2004 In this brief, we consider methods to improve the performance of chaotic communication schemes. We study a system using a receiver which explicitly includes the presence of noise in the channel.
Di Bernardo, M +3 more
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Delay-induced Synchronization Phenomena in an Array of Globally Coupled Logistic Maps [PDF]
, 2003 We study the synchronization of a linear array of globally coupled identical logistic maps. We consider a time-delayed coupling that takes into account the finite velocity of propagation of the interactions.
A. C. Martí +16 more
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An investigation of the effects of chaotic maps on the performance of metaheuristics
Engineering Reports, 2021 This article presents an empirical investigation of the effects of chaotic maps on the performance of metaheuristics. Particle Swarm Optimization and Simulated Annealing are modified to use chaotic maps instead of the traditional pseudorandom number ...
Iannick Gagnon, Alain April, Alain Abran
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Chaotically driven sigmoidal maps [PDF]
Stochastics and Dynamics, 2017 We consider skew product dynamical systems [Formula: see text] with a (generalized) baker transformation [Formula: see text] at the base and uniformly bounded increasing [Formula: see text] fibre maps [Formula: see text] with negative Schwarzian derivative. Under a partial hyperbolicity assumption that ensures the existence of strong stable fibres for
Gerhard Keller, Atsuya Otani
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Periodic orbit quantization of chaotic maps by harmonic inversion [PDF]
, 2001 A method for the semiclassical quantization of chaotic maps is proposed, which is based on harmonic inversion. The power of the technique is demonstrated for the baker's map as a prototype example of a chaotic map.Comment: 7 pages, 1 figure, accepted for
Eckhardt +16 more
core +2 more sources