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International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Volume XXXIX-B8, 2012 
XXII ISPRS Congress, 25 August — 01 September 2012, Melbourne, Australia 
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Acknowledgements 
This research was financially supported by University of 
Twente-ITC, the Netherlands and Wuhan University, China. 
Many thanks go to Prof. Dejiang Ni in Huazhong Agricultural 
University for his great help during the fieldwork in China, Prof. 
Pingxiang Li and Liangpei Zhang in the State Key Laboratory 
for Information Engineering in Surveying, Mapping and 
Remote Sensing, China, for sharing the field ASD spectrometer. 
Our thanks also go to Dr. Yi Cen in Changjiang River Scientific 
Research Institute (China) and Dr. Tao Chen in China 
University of Geosciences who gave their assistance during the 
research.