The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences. Vol. XXXVII. Part B4. Beijing 2008
Figure 6. Accuracy of product
In this research, the results of accuracy analysis using digital
camera imagery showed the RMSE of 0.1891m in X and
0.1825m in Y. These are the results in acceptable accuracy of
the detail standard of Korea public surveying published in
January 1st, 2004 (2003-326 published by Ministry of Land,
Transport and Maritime Affairs). And It proved that a scale 1 to
1,000 digital mapping using digital aerial imagery would be
able to produce.
In figure 6, one-sided directional elements of no.6, no. 10, no. 12
and no.29 were out of ±0.2m within the permissible accuracy
required for the mapping on a scale of 1 to 1,000 on the
mapping rule notified by the National Geographic Information
Institute of Korea. But these are confirmed to the region where
is difficult to interpret in digital imagery. And the result of no.7
and no.32 was estimated to be partial change of topography by
different time.
4. CONCLUSIONS
In this research, possibility of large-scaled digital mapping
using aerial digital camera was proved and that would be
contributed to revitalization of industries by presenting
foundation data. The results of the accuracy analysis using
aerial digital camera imagery are following.
The results show some good RMSE of 0.1891m in X, 0.1825m
in Y. These results are in allowable accuracy that is published
by the detail standard of public surveying in Korea, therefore it
would be possible to apply digital image on a scale 1 to 1,000
digital mapping.
In the future, if it conducts globally research considering
topographical feature and additional accuracy analysis of three-
dimensional position by GPS surveying, it would be possible to
indicate more objective and accurate result.
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ACKNOWLEDGEMENTS
This work was supported by the Korea Science and Engineering
Foundation (KOSEF) grant funded by the Korea government
(MOST) (No. R01-2006-000-11331-0)
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