College of Electrical Engineering / Institute of Intelligent Vision / China Three Gorges University / Huazhong University of Science / Hong Kong Polytechnic University / /
China Three Gorges University / WENZHONG SHI*† / SHENG ZHENG†‡§ and YAN TIAN†§ †Advanced Research Center for Spatial Information Technology / International Society for Photogrammetry and Remote Sensing / Huazhong University of Science and Technology / Wuhan / China §Electronic and Information Engineering Department / College of Electrical Engineering and Information Technology / Hong Kong Polytechnic University / Remote Sensing / Department of Land Surveying and Geo-Informatics / Institute of Intelligent Vision and Image Information / Hong Kong Polytechnic University / Hong Kong / /