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Ashraf Afifi

Taif University

14H-index
43Paper Count
732Citation Count
Published Papers 11
Publication Date
Secure Content Protection and Verification Framework for Digital Images Communication
err2025-05-02
err0
PREAI
errFaragallah, Osama S.; El-Shafai, Walid; Elshakankiry, Osama; Afifi, Ashraf; El-sayed, Hala S.
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OGWO-CH: Hybrid Opposition-Based Learning with Gray Wolf Optimization Based Clustering Technique in Wireless Sensor Networks
err2022-08-18
err2
errOAAI
errRamalingam, Rajakumar; Karunanidy, Dinesh; Balakrishnan, Aravind; Rashid, Mamoon; Dumka, Ankur; Afifi, Ashraf; Alshamrani, Sultan S.
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Efficient optical double image cryptosystem using chaotic mapping-based Fresnel transform
err2021-06-12
err19
PREAI
errFaragallah, Osama S.; Afifi, Ashraf; Elashry, Ibrahim F.; Naeem, Ensherah A.; El-Hoseny, Heba M.; El-sayed, Hala S.; Abbas, Alaa M.
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Efficient and secure opto-cryptosystem for color images using 2D logistic-based fractional Fourier transform
err2021-02-01
err54
PREAI
errFaragallah, Osama S.; El-sayed, Hala S.; Afifi, Ashraf; El-Shafai, Walid
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Efficient HEVC Integrity Verification Scheme for Multimedia Cybersecurity Applications
err2020-01-01
err37
errOAAI
errFaragallah, Osama S.; Afifi, Ashraf; El-Sayed, Hala S.; Alzain, Mohammed A.; Al-Amri, Jehad F.; El-Samie, Fathi E. Abd; El-Shafai, Walid
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Investigation of Chaotic Image Encryption in Spatial and FrFT Domains for Cybersecurity Applications
err2020-01-01
err53
errOAAI
errFaragallah, Osama S.; Afifi, Ashraf; El-Shafai, Walid; El-Sayed, Hala S.; Naeem, Ensherah A.; Alzain, Mohammed A.; Al-Amri, Jehad F.; Soh, Ben; Abd El-Samie, Fathi E.
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Efficiently Encrypting Color Images With Few Details Based on RC6 and Different Operation Modes for Cybersecurity Applications
err2020-01-01
err34
errOAAI
errFaragallah, Osama S.; Afifi, Ashraf; El-Shafai, Walid; El-Sayed, Hala S.; Alzain, Mohammed A.; Al-Amri, Jehad F.; Abd El-Samie, Fathi E.
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Secure color image cryptosystem based on chaotic logistic in the FrFT domain
err2019-11-23
err43
PREAI
errFaragallah, Osama S.; AlZain, Mohammed A.; El-Sayed, Hala S.; Al-Amri, Jehad F.; El-Shafai, Walid; Afifi, Ashraf; Naeem, Ensherah A.; Soh, Ben
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Block-Based Optical Color Image Encryption Based on Double Random Phase Encoding
err2019-01-01
err43
errOAAI
errFaragallah, Osama S.; Alzain, Mohammed A.; El-Sayed, Hala S.; Al-Amri, Jehad F.; El-Shafai, Walid; Afifi, Ashraf; Naeem, Ensherah A.; Soh, Ben
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Circulating CD4+CD25highFoxP3+T cells vary in different clinical forms of leprosy
err2010-09-28
err33
PREAI
errAttia, Enas A. S.; Abdallah, Marwa; Saad, Abeer A.; Afifi, Ashraf; El Tabbakh, Alaa; El-Shennawy, Dina; Ali, Hala B.
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