The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences. Vol. XXXVII. Part B4. Beijing 2008 
images are the main data source for the project and in practice 
productions most of DLGs, DEMs and DOMs are produced 
from them. It’s obvious that SPOT-5 images, as a main data 
source, are playing important roles in Surveying and Mapping 
of West Regions in China. 
ACKNOWLEDGEMENT 
This work is supported by State Key Basic Research and 
Development Program with project number 2006CB701302, 
National Natural Science Foundation of China with project 
number 40771177, Hi-Tech Research and Development 
Program with project number 2006AA12Z136. 
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