1. School of Electrical Engineering and Computer Science, National University of Sciences and Technology; Islamabad Pakistan
2. School of Computer Science and Software Engineering; University of Western Australia; Perth WA Australia
3. School of Mathematical and Geospatial Sciences; RMIT University; Melbourne NSW Australia
4. SeaGIS Pty Ltd; Melbourne NSW Australia
5. School of Science; Department of Environment and Agriculture, Curtin University; Perth WA Australia