1. Faculty of Sciences and Technologies, Electrical Engineering Department, Laboratory LESIA University of Biskra Biskra Algeria
2. Polytech Tours, Electrical Engineering Department, Imaging and Brain INSERM U 930 University of Tours Tours France
3. Computer Science Department, LIMPAF University of Bouira Bouira Algeria
4. Oulu University, Center for Ubiquitous Computing Oulu Finland
5. Electrical Engineering Department, Laboratory of Signals and Systems (LSS) University of Mostaganem Mostaganem Algeria
6. IEMN DOAE UMR CNRS 8520, UPHF Valenciennes France