期刊
ARTIFICIAL SATELLITES-JOURNAL OF PLANETARY GEODESY
卷 49, 期 2, 页码 101-106出版社
POLISH ACAD SCIENCES, SPACE RESEARCH CENTER
DOI: 10.2478/arsa-2014-0008
关键词
Positional accuracy; GoogleEarth; High-resolution imagery; Mapping; KSA
Google Earth is a virtual globe, map and geographical information program that is controlled by Google corporation. It maps the Earth by the superimposition of images obtained from satellite imagery, aerial photography and GIS 3D globe. With millions of users all around the globe, GoogleEarth r has become the ultimate source of spatial data and information for private and public decision-support systems besides many types and forms of social interactions. Many users mostly in developing countries are also using it for surveying applications, the matter that raises questions about the positional accuracy of the Google Earth program. This research presents a small-scale assessment study of the positional accuracy of GoogleEarth r Imagery in Riyadh; capital of Kingdom of Saudi Arabia (KSA). The results show that the RMSE of the GoogleEarth imagery is 2.18 m and 1.51 m for the horizontal and height coordinates respectively.
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