Takagi–Sugeno–Kang Fuzzy Neural Network for Nonlinear Chaotic Systems and Its Utilization in Secure Medical Image Encryption

Duc Hung Pham () and Mai The Vu
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Duc Hung Pham: Faculty of Electrical and Electronic Engineering, Hung Yen University of Technology and Education, Hung Yen 17000, Vietnam
Mai The Vu: Department of Artificial Intelligence and Robotics, Sejong University, Seoul 05006, Republic of Korea

Mathematics, 2025, vol. 13, issue 6, 1-26

Abstract: This study introduces a novel control framework based on the Takagi–Sugeno–Kang wavelet fuzzy neural network, integrating brain imitated network and cerebellar network. The proposed controller demonstrates high robustness, making it an excellent candidate for handling intricate nonlinear dynamics, effectively mapping input–output relationships and efficiently learning from data. To enhance its performance, the controller’s parameters are fine-tuned using Lyapunov stability theory. Compared to existing approaches, the proposed model exhibits superior learning capabilities and achieves outstanding performance metrics. Furthermore, the study applies this synchronization technique to the secure transmission of medical images. By encrypting a medical image into a chaotic trajectory before transmission, the system ensures data security. On the receiving end, the original image is successfully reconstructed using chaotic trajectory synchronization. Experimental results confirm the effectiveness and reliability of the proposed neural network model, as well as the encryption and decryption process. Specifically, the average_RMSE of the Takagi–Sugeno–Kang fuzzy wavelet brain cerebral controller (TFWBCC) method is 2.004 times smaller than the cerebellar model articulation controller (CMAC) method, 1.923 times smaller than the RCMAC method, 1.8829 times smaller than the TSKCMAC method, and 1.8153 times smaller than the brain emotional learning controller (BELC) method.

Keywords: Takagi–Sugeno–Kang (TSK) fuzzy system; CMAC; BELC; 4D hyper-jerk hyper chaotic system; medical image (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2025
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