Ashraf Afifi

Efficient and secure opto-cryptosystem for color images using 2D logistic-based fractional Fourier transform

Osama S. Faragallah, Hala S. El-sayed, Walid El-Shafai, 2021 .

Block-Based Optical Color Image Encryption Based on Double Random Phase Encoding

Osama S. Faragallah, Ben Soh, O. S. Faragallah, 2019, IEEE Access.

Efficient HEVC Integrity Verification Scheme for Multimedia Cybersecurity Applications

Fathi E. Abd El-Samie, Osama S. Faragallah, O. S. Faragallah, 2020, IEEE Access.

Efficiently Encrypting Color Images With Few Details Based on RC6 and Different Operation Modes for Cybersecurity Applications

Fathi E. Abd El-Samie, Osama S. Faragallah, Hala S. El-sayed, 2020, IEEE Access.

New Region Growing based on Thresholding Technique Applied to MRI Data

S. F. El-Zoghdy, Said Ghoniemy, Ashraf Afifi, 2015 .