1. Laboratory of Analysis, Simulations and Tests (LASE), Department of Computer Engineering, University Institute of Technology, The University of Ngaoundéré, Ngaoundéré P.O. Box 455, Cameroon
2. Laboratory of Energy, Signal, Imaging and Automation (LESIA), Department of Electrical Engineering, Energetics and Automatics, National Higher School of Agro-Industrial Sciences, The University of Ngaoundéré, Ngaoundéré P.O. Box 455, Cameroon
3. Laboratory of Bioprocesses (LBP), Department of Food Engineering and Quality Control, University Institute of Technology, The University of Ngaoundéré, Ngaoundéré P.O. Box 455, Cameroon