1. Wuhan University,State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing,China
2. Università Degli Studi di Napoli Parthenope,Dipartimento di Ingegneria,Italy
3. University of Poonch,Institute of Earth Sciences,Rawalakot,AJK,Pakistan
4. Wuhan University,School of Remote Sensing and Information Engineering,China