1. Geological Exploration Technology Institute of Jiangsu Province Jiangsu,Jiangsu Province Engineering Research Center of Airborne Detecting and Intelligent Perceptive Technology,Nanjing,China,210049
2. ChangJiang Survey, Planning, Design and Research Co., Ltd.,Wuhan,China,430010
3. The University of Hong Kong,Department of Geography,Hong Kong,China,999077
4. Grenoble Institute of Technology,Grenoble Images Parole Signals Automatics Laboratory (GIPSA-Lab),Saint Martin d’Hères,France,38402