1. Laboratory of Applied Optics, Institute of Optics and Precision MechanicsDepartment of Civil Engineering, University of Bordj Bou Arréridj 34000 Algeria
2. Faculty of Sciences & Techniques, Cadi Ayyad UniversityLCMN A. Khattabi Marrakech BP 549, 40 000 Morocco
3. MSMP, Arts & Métiers Paris Tech 8 boulevard Louis XIV, 59046 Lille France
4. University of Grenoble Alpes, University of Savoie Mont Blanc, CNRS, Grenoble INP (Institute of Engineering Univ. Grenoble Alpes), LEPMI 38000, Grenoble France