Competitive Improvement of the Time Complexity to Encode Fractal Image: By Applying Symmetric Central Pixel of the Block. - Md Ahadullah; Siti Hasana Sapar; Nadia M. G. Al-Saidi; Mohamad Rushdan Md. Said (IEEE Access, 2021)

A Dual-Layer Image Encryption Framework Using Chaotic AES with Dynamic S-Boxes and Steganographic QR Codes. - Md Rishadul Bayesh; Dabbrata Das; Md Ahadullah (CoRR, 2025)