1. ESPOL Polytechnic University,Facultad de Ingeniería en Ciencias de la Tierra (FICT),Ecuador
2. Instituto de Ciência e Tecnologia (ICT), Universidade Federal de São Paulo (UNIFESP),Brazil
3. Geomatics, Georesources and Environment Laboratory, Faculty of Sciences and Techniques, Sultan Moulay Slimane University,Morocco
4. ESPOL Polytechnic University,Departamento de Matemáticas,Ecuador
5. Sciences Pour la Conception, l'Optimisation et la Production (G-SCOP), Centre National de la Recherche Scientifique (CNRS), Université Grenoble Alpes,France