1. Faculty of Geoinformation and Real Estate, Universiti Teknologi Malaysia, Johor, Malaysia
2. Centre for Environmental Sustainability and Water Security, Research Institute for Sustainable Environment, Universiti Teknologi Malaysia, Johor, Malaysia
3. CESBIO-CNES-CNRS-IRD-Université Toulouse, France
4. Division of Electronic Engineering and Physics, University of Dundee, Dundee, Scotland