首页|Fractional-order heterogeneous memristive Rulkov neuronal network and its medical image watermarking application
Fractional-order heterogeneous memristive Rulkov neuronal network and its medical image watermarking application
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This article proposes a novel fractional heterogeneous neural network by coupling a Rulkov neuron with a Hopfield neural network(FRHNN),utilizing memristors for emulating neural synapses.The study firstly demonstrates the coexis-tence of multiple firing patterns through phase diagrams,Lyapunov exponents(LEs),and bifurcation diagrams.Secondly,the parameter related firing behaviors are described through two-parameter bifurcation diagrams.Subsequently,local at-traction basins reveal multi-stability phenomena related to initial values.Moreover,the proposed model is implemented on a microcomputer-based ARM platform,and the experimental results correspond to the numerical simulations.Finally,the article explores the application of digital watermarking for medical images,illustrating its features of excellent impercepti-bility,extensive key space,and robustness against attacks including noise and cropping.
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