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H. A. Ayad 0001

Hassan Ayad 0001

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affiliation: Cairo University, Faculty of Science, Department of Mathematics, Giza, Egypt

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2020 – today

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2023
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Mahmoud H. Annaby, M. E. Mahmoud, H. A. Abdusalam, H. A. Ayad, Muhammad Ali Rushdi:
Geometric Stability Estimates For 3D-Object Encryption Through Permutations and Rotations. CoRR abs/2303.10628 (2023)
2022
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Mahmoud H. Annaby, H. A. Ayad, Muhammad Ali Rushdi:
A Difference-Equation-Based Robust Image Encryption Scheme with Chaotic Permutations and Logic Gates. J. Math. Imaging Vis. 64(8): 855-868 (2022)
2021
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Mahmoud H. Annaby, H. A. Ayad, Jürgen Prestin, Muhammad Ali Rushdi:
Multiparameter discrete transforms based on discrete orthogonal polynomials and their application to image watermarking. Signal Process. Image Commun. 99: 116434 (2021)

2010 – 2019

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2018
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Mahmoud H. Annaby, Hassan Ayad, Muhammad Ali Rushdi:
On security of image ciphers based on logic circuits and chaotic permutations. Multim. Tools Appl. 77(16): 20455-20476 (2018)
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Mahmoud H. Annaby, H. A. Ayad, Muhammad Ali Rushdi, Ebrahim Ali Nehary:
Difference operators and generalized discrete fractional transforms in signal and image processing. Signal Process. 151: 1-18 (2018)

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