Zahir Ahmida

According to our database, Zahir Ahmida authored at least 5 papers between 2017 and 2022.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of five.

2022

Securing Medical Data by Combining Encryption and Robust Blind Medical Image Watermarking Based on Zaslavsky Chaotic Map and DCT Coefficients.

Nawel Balaska, Aïssa Belmeguenaï, Ahcène Goutas, Zahir Ahmida, Selma Boumerdassi

SN Comput. Sci., 2022

2021

Improved robust <i>H</i>_∞ stability analysis and stabilisation of uncertain and disturbed networked control systems with network-induced delay and packets dropout.

Nourreddine Nafir, Zahir Ahmida, Kevin Guelton, Fayçal Bourahala, Mohamed Rouamel

Int. J. Syst. Sci., 2021

2020

Image encryption using a combination of Grain-128a algorithm and Zaslavsky chaotic map.

Nawel Balaska, Zahir Ahmida, Aïssa Belmeguenaï, Selma Boumerdassi

IET Image Process., 2020

2017

A novel approach based on stream cipher for selective speech encryption.

Aïssa Belmeguenaï, Zahir Ahmida, Salim Ouchtati, Rafik Djemili

Int. J. Speech Technol., 2017

A New Approach to Securing Speech Signals.

Zahir Ahmida, Rafik Djemili

Proceedings of the 10th International Conference on Developments in eSystems Engineering, 2017