The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences. Vol. XXXVII. Part B4. Beijing 2008
■ The compilation performance of features in Quickbird
and IKONOS ortho-images were approximately the same. And
the nearest value of compilation to the aerial photographs were
obtained in polygon layer. But; Quickbird orthophotos have
shown better performance in line layer and IKONOS
orthophotos exhibit better performance in point layer.
■ In compilation of high resolution satellite images, the
operators faced difficulties in determining and identifying of
some small and complex features available.
Also the geometric accuracy and feature compilation
assessment results show that the high resolution satellite images
can be used in mid/large scale (1:6.000 to 1:10.000) mapping
processes and these images couldn’t reach to the level of aerial
images in determining and identifying of small features yet.
Lastly, in next researches, it is recommended to establish a
system of artificially marked points that augment the few
existing photo-identifiable man-made features. These panel
markers provided clearly identifiable points for which to
compare the image pixel locations to the GPS coordinates
(Helder et al., 2003).
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ACKNOWLEDGEMENTS
Thanks to General Command of Mapping for great
contributions to this study. And thanks to Inta (Turkey) and
Eurimage (Italy) for their data support.