Publications

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Sayed, W. S., and A. G. Radwan, "Generalized switched synchronization and dependent image encryption using dynamically rotating fractional-order chaotic systems", AEU-International Journal of Electronics and Communications, vol. 123: Urban & Fischer, pp. 153268, 2020. Abstract
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Sayed, W. S., A. G. Radwan, H. A. H. Fahmy, and A. - L. E. Hussien, "Scaling Parameters and Chaos in Generalized 1D Discrete Time Maps", 2015 International Symposium on Nonlinear Theory and its Applications NOLTA 2015, Kowloon, Hong Kong, China, December 1-4, 2015, pp. 688-691, 2015. Abstract
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Sayed, W. S., A. G. Radwan, H. A. H. Fahmy, and A. L. Elsedeek, "All-Dynamic Synchronization of Rotating Fractional-Order Chaotic Systems", 2019 Novel Intelligent and Leading Emerging Sciences Conference (NILES), vol. 1: IEEE, pp. 226–229, 2019. Abstract
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Sayed, W. S., A. G. Radwan, M. Elnawawy, H. Orabi, A. Sagahyroon, F. Aloul, A. S. Elwakil, H. A. Fahmy, and A. El-Sedeek, "Two-dimensional rotation of chaotic attractors: Demonstrative examples and FPGA realization", Circuits, Systems, and Signal Processing, vol. 38, no. 10: Springer US, pp. 4890–4903, 2019. Abstract
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Sayed, W. S., M. M. R. Henein, S. K. Abd-El-Hafiz, and A. G. Radwan, "Generalized Dynamic Switched Synchronization between Combinations of Fractional-Order Chaotic Systems", Complexity, vol. 2017: Hindawi Publishing Corporation, 2017. Abstract
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Sayed, W. S., A. G. Radwan, and H. A. H. Fahmy, "Double-sided bifurcations in tent maps: Analysis and applications", Advances in Computational Tools for Engineering Applications (ACTEA), 2016 3rd International Conference on: IEEE, pp. 207-210, 2016. Abstract
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Sayed, W. S., S. M. Ismail, L. A. Said, and A. G. Radwan, "On the Fractional Order Generalized Discrete Maps", Mathematical Techniques of Fractional Order Systems, pp. 375-408, 2018. Abstract
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Sayed, W. S., M. Roshdy, L. A. Said, and A. G. Radwan, "Chaotic Dynamics and FPGA Implementation of a Fractional-Order Chaotic System With Time Delay", IEEE Open Journal of Circuits and Systems, vol. 1: IEEE, pp. 255–262, 2020. Abstract
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Sayed, W. S., A. - L. E. Hussien, H. A. H. Fahmy, and A. G. Radwan, "Generalized chaotic maps and elementary functions between analysis and implementation", 2015 IEEE International Conference on Electronics, Circuits, and Systems (ICECS): IEEE, pp. 506–507, 2015. Abstract
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Sayed, W. S., M. Gamal, M. Abdelrazek, and S. El-Tantawy, "Towards a Learning Style and Knowledge Level-Based Adaptive Personalized Platform for an Effective and Advanced Learning for School Students", Recent Advances in Engineering Mathematics and Physics: Springer, Cham, pp. 261–273, 2020. Abstract
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Sayed, W. S., A. G. Radwan, and H. A. H. Fahmy, "Chaos and Bifurcation in Controllable Jerk-Based Self-Excited Attractors", Nonlinear Dynamical Systems with Self-Excited and Hidden Attractors: Springer, Cham, pp. 45-70, 2018. Abstract
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Sayed, W. S., A. M. Noeman, A. Abdellatif, M. Abdelrazek, M. G. Badawy, A. Hamed, and S. El-Tantawy, "AI-based adaptive personalized content presentation and exercises navigation for an effective and engaging E-learning platform", Multimedia Tools and Applications, vol. 82, no. 3: Springer US New York, pp. 3303–3333, 2023. Abstract
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Sayed, W. S., MSc Thesis: Generalized Chaotic Maps and Elementary Functions Between Analysis and Implementation, : Faculty of Engineering, Cairo University, 2015. Abstract
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Sayed, W. S., M. F. Tolba, A. G. Radwan, S. K. Abd-El-Hafiz, and A. M. Soliman, "Security and Efficiency of Feistel Networks Versus Discrete Chaos for Lightweight Speech Encryption", 2018 30th International Conference on Microelectronics (ICM): IEEE, pp. 92–95, 2018. Abstract
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Sayed, W. S., A. G. Radwan, A. A. Rezk, and H. A. H. Fahmy, "Finite Precision Logistic Map between Computational Efficiency and Accuracy with Encryption Applications", Complexity, vol. 2017: Hindawi Publishing Corporation, 2017. Abstract
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Sayed, W. S., M. Roshdy, L. A. Said, and A. G. Radwan, "Design and FPGA Verification of Custom-Shaped Chaotic Attractors Using Rotation, Offset Boosting and Amplitude Control", IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 68, no. 11: IEEE, pp. 3466–3470, 2021. Abstract
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Sayed, W. S., A. G. Radwan, and S. K. Abd-El-Hafiz, "Generalized synchronization involving a linear combination of fractional-order chaotic systems", Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON), 2016 13th International Conference on: IEEE, pp. 1-6, 2016. Abstract
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Sayed, W. S., M. F. Tolba, A. G. Radwan, and S. K. Abd-El-Hafiz, "FPGA realization of a speech encryption system based on a generalized modified chaotic transition map and bit permutation", Multimedia Tools and Applications: Springer US, pp. 1-31, 2019. Abstract

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Sayed, W. S., and A. G. Radwan, Self-Reproducing Hidden Attractors in Fractional-Order Chaotic Systems Using Affine Transformations, , vol. 1: IEEE, pp. 243 - 254, 2020. Abstract
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Sayed, W. S., and H. A. H. Fahmy, "What are the Correct Results for the Special Values of the Operands of the Power Operation?", ACM Transactions on Mathematical Software (TOMS), vol. 42, issue 2, 2016.
Sayed, W. S., M. F. Tolba, A. G. Radwan, S. K. Abd-El-Hafiz, and A. M. Soliman, "A switched chaotic encryption scheme using multi-mode generalized modified transition map", Multimedia Tools and Applications, vol. 80, no. 4: Springer US, pp. 5373–5402, 2021. Abstract
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Sayed, W. S., A. G. Radwan, and S. K. Abd-El-Hafiz, "Self-Excited Attractors in Jerk Systems: Overview and Numerical Investigation of Chaos Production", Nonlinear Dynamical Systems with Self-Excited and Hidden Attractors: Springer, Cham, pp. 71-86, 2018. Abstract
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Sharobim, B. K., M. Hosam, S. K. Abd-El-Hafiz, W. S. Sayed, L. A. Said, and A. G. Radwan, "Software and hardware realizations for different designs of chaos-based secret image sharing systems", Journal of Real-Time Image Processing, vol. 21, no. 3: Springer Berlin Heidelberg, pp. 1–16, 2024. Abstract
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Sharobim, B. K., S. K. Abd-El-Hafiz, W. S. Sayed, L. A. Said, and A. G. Radwan, "Pixel-based Visual Secret Sharing Using Lorenz System", Proceedings of the 2023 8th International Conference on Cloud Computing and Internet of Things, pp. 38–45, 2023. Abstract
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Sharobim, B. K., M. A. Fetteha, S. K. Abd-El-Hafiz, W. S. Sayed, L. A. Said, and A. G. Radwan, "An Efficient Multi-Secret Image Sharing System Based on Chinese Remainder Theorem and Its FPGA Realization", IEEE Access, vol. 11: IEEE, pp. 9511–9520, 2023. Abstract
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