ACKNOWLEDGMENTS 
This research project was sponsored by NASA’s Center 
for the Commercial Development of Space (CCDS) under 
the project number OSU-RF 724043. The authors would 
like to express gratitude to Prof. J. Bossler, the director of 
the Center for Mapping of The Ohio State University for his 
enthusiastic support. The authors also wish to thank ERDAS 
Inc. for the successful cooporation. 
RE TEE 
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Figure 3: A pair of original SPOT images (6000 x 6000 pixels). 
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Figure 4: 484 anchor points spaced by a grid interval of 240 pixels 
derived by MATCH, every four nearest neighbor points can be used for 
determining approximations for point densification at any desired interval. 
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