1. Faculty of Geodesy and Geomatics Engineering, K. N. Toosi University of Technology, Tehran, Iran
2. Faculty of Geo-Information Science and Earth Observation (ITC), University of Twente, Enschede, The Netherlands
3. Department of Computer Engineering, University of Kurdistan, Sanandij, Iran
4. Department of Geodesy & Geomatics Engineering, University of New Brunswick, Fredericton, Canada