Robust blind approach for digital speech watermarking. - Ahmed Merrad; Ali Benziane; Slami Saadi; Ahmed Hafaifa (ICNLSP, 2018)

Blind speech watermarking using hybrid scheme based on DWT/DCT and sub-sampling. - Ahmed Merrad; Slami Saadi (Multim. Tools Appl., 2018)

Novel secured scheme for blind audio/speech norm-space watermarking by Arnold algorithm. - Slami Saadi; Ahmed Merrad; Ali Benziane (Signal Process., 2019)

Hybrid scheme for safe speech transmission based on multiple chaotic maps, watermarking and Arnold scrambling algorithm. - Hadda Ouguissi; Slami Saadi; Ahmed Merrad; Mecheri Kious (Multim. Tools Appl., 2023)

A novel adaptive watermark embedding approach for enhancing security of biometric voice/speech systems. - Slami Saadi; Ahmed Merrad (Telecommun. Syst., 2024)

A robust dual-layer medical image watermarking scheme based on matrix factorization in the LWT domain for E-healthcare applications. - Boubakeur Latreche; Ahmed Merrad; Ali Benziane; Hilal Naimi; Slami Saadi (Multim. Tools Appl., 2025)

Enhancing Speech Privacy Through Dynamic Chaos-Driven Scrambling With Nested Segmentation. - Ahmed Merrad; Nabil Abdelkader Nouri (Signal Image Video Process., 2025)