Assessing Data Quality of Remotely-sensed Dem’s in a Hungarian Sample Area
نویسندگان
چکیده
Nowadays the free-access digital elevation models are getting more and more popular. The SRTM and ASTER GDEM databases are the most widespread. However, there are numerous situations and weaknesses we have to take into account during their usage, such as the direction-dependent accuracy and the difference between the digital and the real surfaces. Our goal was to examine these kinds of deficiencies of surface models.
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