The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences. Vol. XXXVII. Part B4. Beijing 2008 
separation of highway from freeway that are different to be 
extracted from single image planimetric information. For some 
objects extraction that we have problems in their identification 
and extraction, it is necessary to make use of other mapping 
methods such as ground survey. Of coarse this problems is not 
related to satellite images merely, but also aerial images face to 
information content problem with less intensity such as utility 
line. 
ACKNOWLEDGEMENTS 
The author wishes to acknowledge the support of Remote 
Sensing Department of National Geography Center (NGO) and 
National Cartography Center (NCC). 
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